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Tropical Cyclone LAURENCE : BoM Warnings
Season 2009-2010 Summaries (Operational Data): [AU] [SIO] [SPAC] [SH]
---> Tropical Cyclone LAURENCE Track Map and Data

HIGH SEAS WEATHER WARNING FOR METAREA 10/11 
Issued by the AUSTRALIAN BUREAU OF METEOROLOGY, DARWIN 
Issued at 0130 UTC 12 DECEMBER 2009 

PLEASE BE AWARE 
Wind gusts can be a further 40 percent stronger than the averages given here, 
and maximum waves may be up to twice the height. 

GALE WARNING FOR NORTHERN AREA 

SITUATION 
At 0000 UTC a Tropical Low was centred within 15 nautical miles of 
latitude twelve decimal five south [12.5S] 
longitude one hundred and thirty decimal seven east [130.7E] 
Recent movement : southwest at 6 knots 
Maximum winds : 30 knots 
Central pressure: 1001 hPa 
The low is expected to develop into a tropical cyclone in the next 6 to 12 
hours. 


AREA AFFECTED 
Within 50 nautical miles in NE quadrant 
and within 30 nautical miles in SE quadrant 
and within 50 nautical miles in SW quadrant 
and within 50 nautical miles in NW quadrant. 


FORECAST 
Maximum winds to 30 knots near the centre increasing to 35 knots in the SW and 
NW quadrants by 0600 UTC 12 December and extending to the NE and SE quadrants by 
1200 UTC 12 December. 

Forecast positions 
At 1200 UTC 12 December: Within 45 nautical miles of 12.8 south 129.8 east 
Central pressure 998 hPa. 
Winds to 35 knots near centre. 
At 0000 UTC 13 December: Within 75 nautical miles of 12.6 south 128.7 east 
Central pressure 992 hPa. 
Winds to 45 knots near centre. 

REMARKS 
All ships in the area please send weather reports every three hours. 

Next warning will be issued by 0730 UTC 12 December 2009. 

DARWIN Tropical Cyclone Warning Centre
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10/11
Issued by the AUSTRALIAN BUREAU OF METEOROLOGY, DARWIN
Issued at 0711 UTC 12 DECEMBER 2009

PLEASE BE AWARE
Wind gusts can be a further 40 percent stronger than the averages given here,
and maximum waves may be up to twice the height. 

STORM FORCE WIND WARNING FOR NORTHERN AREA

SITUATION
At 0600 UTC a Tropical Low was centred within 20 nautical miles of
 latitude thirteen decimal zero south [13.0S]
 longitude one hundred and thirty decimal two east [130.2E]
Recent movement : southwest at 6 knots
Maximum winds   : 30 knots
Central pressure: 1002 hPa
The low is expected to develop into a tropical cyclone in the next 6 to 12
hours.


AREA AFFECTED
AREA AFFECTED 
Within 60 nautical miles of the centre.

FORECAST
Maximum winds to 30 knots near the centre increasing to 50 knots by 0600 UTC 13
December.

Forecast positions
At 1800 UTC 12 December: Within 50 nautical miles of 13.1 south 129.0 east
                        Central pressure 997 hPa.
                        Winds to 35 knots near centre.
At 0600 UTC 13 December: Within 80 nautical miles of 13.0 south 128.1 east
                        Central pressure 987 hPa.
                        Winds to 50 knots near centre.

REMARKS
All ships in the area please send weather reports every three hours.


Next warning will be issued by 1330 UTC 12 December 2009.


DARWIN Tropical Cyclone Warning Centre
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10/11 
Issued by the AUSTRALIAN BUREAU OF METEOROLOGY, DARWIN 
Issued at 1330 UTC 12 DECEMBER 2009 

PLEASE BE AWARE 
Wind gusts can be a further 40 percent stronger than the averages given here, 
and maximum waves may be up to twice the height. 

STORM FORCE WIND WARNING FOR NORTHERN AREA 

SITUATION 
At 1200 UTC Tropical Low was centred within 25 nautical miles of 
latitude thirteen decimal one south [13.1S] 
longitude one hundred and thirty decimal zero east [130.0E] 
Recent movement : southwest at 4 knots 
Maximum winds : 30 knots 
Central pressure: 1004 hPa 
The low is expected to develop into a tropical cyclone in the next 6 to 12 
hours. 

AREA AFFECTED 
AREA AFFECTED 
Within 60 nautical miles of the centre. 

FORECAST 
Maximum winds to 30 knots near the centre increasing to 50 knots by 1200 UTC 13 
December. 

Forecast positions 
At 0000 UTC 13 December: Within 55 nautical miles of 13.1 south 129.2 east 
Central pressure 1001 hPa. 
Winds to 35 knots near centre. 
At 1200 UTC 13 December: Within 85 nautical miles of 13.1 south 128.7 east 
Central pressure 991 hPa. 
Winds to 50 knots near centre. 

REMARKS 
All ships in the area please send weather reports every three hours. 


Next warning will be issued by 1930 UTC 12 December 2009. 


DARWIN Tropical Cyclone Warning Centre
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10/11 
Issued by the AUSTRALIAN BUREAU OF METEOROLOGY, DARWIN 
Issued at 1933 UTC 12 DECEMBER 2009 

PLEASE BE AWARE 
Wind gusts can be a further 40 percent stronger than the averages given here, 
and maximum waves may be up to twice the height. 

STORM FORCE WIND WARNING FOR NORTHERN AREA 

SITUATION 
At 1800 UTC Tropical Low was centred within 25 nautical miles of 
latitude thirteen decimal four south [13.4S] 
longitude one hundred and twenty nine decimal seven east [129.7E] 
Recent movement : southwest at 3 knots 
Maximum winds : 30 knots 
Central pressure: 1000 hPa 
The low is expected to develop into a tropical cyclone in the next 6 to 12 
hours. 


AREA AFFECTED 
Within 60 nautical miles of the centre. 

FORECAST 
Maximum winds to 30 knots near the centre increasing to 50 knots by 1800 UTC 13 
December. 

Forecast positions 
At 0600 UTC 13 December: Within 55 nautical miles of 13.7 south 129.3 east 
Central pressure 994 hPa. 
Winds to 40 knots near centre. 
At 1800 UTC 13 December: Within 85 nautical miles of 13.7 south 128.4 east 
Central pressure 989 hPa. 
Winds to 50 knots near centre. 

REMARKS 
All ships in the area please send weather reports every three hours. 


Next warning will be issued by 0130 UTC 13 December 2009. 


DARWIN Tropical Cyclone Warning Centre
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10/11 
Issued by the AUSTRALIAN BUREAU OF METEOROLOGY, DARWIN 
Issued at 0119 UTC 13 DECEMBER 2009 

PLEASE BE AWARE 
Wind gusts can be a further 40 percent stronger than the averages given here, 
and maximum waves may be up to twice the height. 

STORM FORCE WIND WARNING FOR NORTHERN AREA 

SITUATION 
At 0000 UTC Tropical Cyclone Laurence was centred within 25 nautical miles of 
latitude thirteen decimal five south [13.5S] 
longitude one hundred and twenty nine decimal four east [129.4E] 
Recent movement : southwest at 4 knots 
Maximum winds : 35 knots 
Central pressure: 996 hPa 


AREA AFFECTED 
Within 60 nautical miles of the centre. 

FORECAST 
Maximum winds to 35 knots near the centre increasing to 55 knots by 0000 UTC 14 
December. 

Forecast positions 
At 1200 UTC 13 December: Within 55 nautical miles of 13.6 south 128.7 east 
Central pressure 987 hPa. 
Winds to 50 knots near centre. 
At 0000 UTC 14 December: Within 85 nautical miles of 13.6 south 127.7 east 
Central pressure 984 hPa. 
Winds to 55 knots near centre. 

REMARKS 
All ships in the area please send weather reports every three hours. 


Next warning will be issued by 0730 UTC 13 December 2009. 


DARWIN Tropical Cyclone Warning Centre
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10/11 
Issued by the AUSTRALIAN BUREAU OF METEOROLOGY, DARWIN 
Issued at 0812 UTC 13 DECEMBER 2009 

PLEASE BE AWARE 
Wind gusts can be a further 40 percent stronger than the averages given here, 
and maximum waves may be up to twice the height. 

STORM FORCE WIND WARNING FOR NORTHERN AREA 

SITUATION 
At 0600 UTC Tropical Cyclone Laurence was centred within 60 nautical miles of 
latitude twelve decimal seven south [12.7S] 
longitude one hundred and twenty eight decimal zero east [128.0E] 
Recent movement : west northwest at 8 knots 
Maximum winds : 35 knots 
Central pressure: 998 hPa 


AREA AFFECTED 
AREA AFFECTED 
Within 60 nautical miles of the centre. 

FORECAST 
Maximum winds to 35 knots near the centre increasing to 50 knots by 0600 UTC 14 
December. 

Forecast positions 
At 1800 UTC 13 December: Within 90 nautical miles of 12.5 south 126.7 east 
Central pressure 994 hPa. 
Winds to 40 knots near centre. 
At 0600 UTC 14 December: Within 120 nautical miles of 12.8 south 125.5 east 
Central pressure 988 hPa. 
Winds to 50 knots near centre. 

REMARKS 
All ships in the area please send weather reports every three hours. 


Next warning will be issued by 1330 UTC 13 December 2009. 


DARWIN Tropical Cyclone Warning Centre
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10/11 
Issued by the AUSTRALIAN BUREAU OF METEOROLOGY, DARWIN 
Issued at 1316 UTC 13 DECEMBER 2009 

PLEASE BE AWARE 
Wind gusts can be a further 40 percent stronger than the averages given here, 
and maximum waves may be up to twice the height. 

STORM FORCE WIND WARNING FOR NORTHERN AREA 

SITUATION 
At 1200 UTC Tropical Cyclone Laurence was centred within 50 nautical miles of 
latitude twelve decimal five south [12.5S] 
longitude one hundred and twenty seven decimal seven east [127.7E] 
Recent movement : northwest at 4 knots 
Maximum winds : 35 knots 
Central pressure: 998 hPa 


AREA AFFECTED 
AREA AFFECTED 
Within 60 nautical miles of the centre. 

FORECAST 
Maximum winds to 35 knots near the centre increasing to 50 knots by 1200 UTC 14 
December. 

Forecast positions 
At 0000 UTC 14 December: Within 80 nautical miles of 12.4 south 126.9 east 
Central pressure 992 hPa. 
Winds to 45 knots near centre. 
At 1200 UTC 14 December: Within 110 nautical miles of 12.6 south 125.9 east 
Central pressure 989 hPa. 
Winds to 50 knots near centre. 

REMARKS 
All ships in the area please send weather reports every three hours. 


Next warning will be issued by 1930 UTC 13 December 2009. 


DARWIN Tropical Cyclone Warning Centre
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10/11 
Issued by the AUSTRALIAN BUREAU OF METEOROLOGY, DARWIN 
Issued at 1929 UTC 13 DECEMBER 2009 

PLEASE BE AWARE 
Wind gusts can be a further 40 percent stronger than the averages given here, 
and maximum waves may be up to twice the height. 

STORM FORCE WIND WARNING FOR NORTHERN AREA 

SITUATION 
At 1800 UTC Tropical Cyclone Laurence was centred within 50 nautical miles of 
latitude twelve decimal one south [12.1S] 
longitude one hundred and twenty seven decimal six east [127.6E] 
Recent movement : northwest at 2 knots 
Maximum winds : 40 knots 
Central pressure: 994 hPa 


AREA AFFECTED 
Within 60 nautical miles of the centre. 

FORECAST 
Maximum winds to 40 knots near the centre increasing to 50 knots by 1800 UTC 14 
December. 

Forecast positions 
At 0600 UTC 14 December: Within 80 nautical miles of 12.2 south 126.8 east 
Central pressure 992 hPa. 
Winds to 45 knots near centre. 
At 1800 UTC 14 December: Within 110 nautical miles of 12.6 south 125.7 east 
Central pressure 989 hPa. 
Winds to 50 knots near centre. 

REMARKS 
All ships in the area please send weather reports every three hours. 


Next warning will be issued by 0130 UTC 14 December 2009. 


DARWIN Tropical Cyclone Warning Centre
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10/11 
Issued by the AUSTRALIAN BUREAU OF METEOROLOGY, DARWIN 
Issued at 0123 UTC 14 DECEMBER 2009 

PLEASE BE AWARE 
Wind gusts can be a further 40 percent stronger than the averages given here, 
and maximum waves may be up to twice the height. 

STORM FORCE WIND WARNING FOR NORTHERN AREA 

SITUATION 
At 0000 UTC Tropical Cyclone Laurence was centred within 60 nautical miles of 
latitude twelve decimal five south [12.5S] 
longitude one hundred and twenty eight decimal zero east [128.0E] 
Recent movement : west at 4 knots 
Maximum winds : 40 knots 
Central pressure: 995 hPa 


AREA AFFECTED 
Within 60 nautical miles of the centre. 

FORECAST 
Maximum winds to 40 knots near the centre increasing to 50 knots by 0000 UTC 15 
December. 

Forecast positions 
At 1200 UTC 14 December: Within 90 nautical miles of 12.7 south 127.0 east 
Central pressure 992 hPa. 
Winds to 45 knots near centre. 
At 0000 UTC 15 December: Within 120 nautical miles of 13.1 south 125.9 east 
Central pressure 989 hPa. 
Winds to 50 knots near centre. 

REMARKS 
All ships in the area please send weather reports every three hours. 


Next warning will be issued by 0730 UTC 14 December 2009. 


DARWIN Tropical Cyclone Warning Centre
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10/11 
Issued by the AUSTRALIAN BUREAU OF METEOROLOGY, DARWIN 
Issued at 0727 UTC 14 DECEMBER 2009 

PLEASE BE AWARE 
Wind gusts can be a further 40 percent stronger than the averages given here, 
and maximum waves may be up to twice the height. 

STORM FORCE WIND WARNING FOR NORTHERN AREA 

SITUATION 
At 0600 UTC Tropical Cyclone Laurence was centred within 20 nautical miles of 
latitude thirteen decimal zero south [13.0S] 
longitude one hundred and twenty seven decimal eight east [127.8E] 
Recent movement : west at 7 knots 
Maximum winds : 40 knots 
Central pressure: 996 hPa 


AREA AFFECTED 
Within 60 nautical miles of the centre. 

FORECAST 
Maximum winds to 40 knots near the centre increasing to 50 knots by 0600 UTC 15 
December. 

Forecast positions 
At 1800 UTC 14 December: Within 50 nautical miles of 13.2 south 126.6 east 
Central pressure 992 hPa. 
Winds to 45 knots near centre. 
At 0600 UTC 15 December: Within 80 nautical miles of 13.6 south 125.6 east 
Central pressure 989 hPa. 
Winds to 50 knots near centre. 

REMARKS 
All ships in the area please send weather reports every three hours. 


Next warning will be issued by 1330 UTC 14 December 2009. 


DARWIN Tropical Cyclone Warning Centre
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10/11 
Issued by the AUSTRALIAN BUREAU OF METEOROLOGY, DARWIN 
Issued at 1330 UTC 14 DECEMBER 2009 

PLEASE BE AWARE 
Wind gusts can be a further 40 percent stronger than the averages given here, 
and maximum waves may be up to twice the height. 

STORM FORCE WIND WARNING FOR NORTHERN AREA 

SITUATION 
At 1200 UTC Tropical Cyclone Laurence was centred within 20 nautical miles of 
latitude thirteen decimal two south [13.2S] 
longitude one hundred and twenty seven decimal one east [127.1E] 
Recent movement : west at 7 knots 
Maximum winds : 40 knots 
Central pressure: 995 hPa 


AREA AFFECTED 
Within 60 nautical miles of the centre. 

FORECAST 
Maximum winds to 40 knots near the centre increasing to 50 knots by 1200 UTC 15 
December. 

Forecast positions 
At 0000 UTC 15 December: Within 50 nautical miles of 13.6 south 126.0 east 
Central pressure 991 hPa. 
Winds to 45 knots near centre. 
At 1200 UTC 15 December: Within 80 nautical miles of 14.2 south 125.2 east 
Central pressure 987 hPa. 
Winds to 50 knots near centre. 

REMARKS 
All ships in the area please send weather reports every three hours. 


Next warning will be issued by 1930 UTC 14 December 2009. 


DARWIN Tropical Cyclone Warning Centre
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10/11 
Issued by the AUSTRALIAN BUREAU OF METEOROLOGY, DARWIN 
Issued at 1950 UTC 14 DECEMBER 2009 

PLEASE BE AWARE 
Wind gusts can be a further 40 percent stronger than the averages given here, 
and maximum waves may be up to twice the height. 

STORM FORCE WIND WARNING FOR NORTHERN AREA 

SITUATION 
At 1800 UTC Tropical Cyclone Laurence was centred within 20 nautical miles of 
latitude thirteen decimal two south [13.2S] 
longitude one hundred and twenty six decimal six east [126.6E] 
Recent movement : west at 5 knots 
Maximum winds : 45 knots 
Central pressure: 991 hPa 


AREA AFFECTED 
Within 60 nautical miles of the centre. 

FORECAST 
Maximum winds to 45 knots near the centre increasing to 50 knots by 0600 UTC 15 
December. 

Forecast positions 
At 0600 UTC 15 December: Within 50 nautical miles of 13.7 south 125.9 east 
Central pressure 988 hPa. 
Winds to 50 knots near centre. 
At 1800 UTC 15 December: Within 80 nautical miles of 14.3 south 125.0 east 
Central pressure 988 hPa. 
Winds to 50 knots near centre. 

REMARKS 
All ships in the area please send weather reports every three hours. 


Next warning will be issued by 0130 UTC 15 December 2009. 


DARWIN Tropical Cyclone Warning Centre
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10/11 
Issued by the AUSTRALIAN BUREAU OF METEOROLOGY, DARWIN 
Issued at 0130 UTC 15 DECEMBER 2009 

PLEASE BE AWARE 
Wind gusts can be a further 40 percent stronger than the averages given here, 
and maximum waves may be up to twice the height. 

HURRICANE FORCE WIND WARNING FOR NORTHERN AREA 

SITUATION 
At 0000 UTC Severe Tropical Cyclone Laurence was centred within 15 nautical 
miles of 
latitude thirteen decimal six south [13.6S] 
longitude one hundred and twenty six decimal three east [126.3E] 
Recent movement : southwest at 5 knots 
Maximum winds : 65 knots 
Central pressure: 977 hPa 


AREA AFFECTED 
Within 50 nautical miles of the centre. 

FORECAST 
Maximum winds to 65 knots near the centre easing to 55 knots by 1200 UTC 15 
December. 
Winds above 64 knots within 15 nautical miles of centre with high seas. 
Winds above 48 knots within 30 nautical miles of centre with very rough seas and 
moderate swell. 
Winds above 34 knots within 50 nautical miles of centre with rough to very rough 
seas and moderate swell. 

Forecast positions 
At 1200 UTC 15 December: Within 45 nautical miles of 14.3 south 125.3 east 
Central pressure 985 hPa. 
Winds to 55 knots near centre. 
At 0000 UTC 16 December: Within 75 nautical miles of 15.0 south 124.6 east 
Central pressure 984 hPa. 
Winds to 55 knots near centre. 

REMARKS 
All ships in the area please send weather reports every three hours. 


Next warning will be issued by 0730 UTC 15 December 2009. 


DARWIN Tropical Cyclone Warning Centre
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 0849UTC 15 DECEMBER 2009

HURRICANE FORCE WIND WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 0600 UTC Severe Tropical Cyclone Laurence was centred within 20 nautical
miles of
latitude fourteen decimal four south (14.4S)
longitude one hundred and twenty five decimal five east (125.5E)
Recent movement : southwest at 8 knots
Maximum winds : 70 knots
Central pressure: 975 hPa

AREA AFFECTED
Within 45 nautical miles of the centre.

FORECAST
Maximum winds to 70 knots near the centre easing to 50 knots by 1800 UTC 15
December.
Winds above 64 knots within 15 nautical miles of centre with very high seas.
Winds above 48 knots within 20 nautical miles of centre with very rough to high
seas and moderate swell.
Winds above 34 knots within 45 nautical miles of centre with rough to very
rough seas and moderate swell.
Forecast positions
At 1800 UTC 15 December: Within 45 nautical miles of 15.3 south 124.8 east
Central pressure 988 hPa.
Winds to 50 knots near centre.
At 0600 UTC 16 December: Within 65 nautical miles of 16.0 south 124.5 east
Central pressure 994 hPa.
Winds to 40 knots near centre.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use either email to [email protected] or fax to +61892632261
or satellite to SAC 1241 through Land Earth Station Perth 312.

Next warning will be issued by 1300 UTC 15 December 2009.

WEATHER PERTH
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 1303UTC 15 DECEMBER 2009

HURRICANE FORCE WIND WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 1200 UTC Severe Tropical Cyclone Laurence was centred within 15 nautical
miles of
 latitude fourteen decimal eight south (14.8S)
 longitude one hundred and twenty four decimal nine east (124.9E)
Recent movement : southwest at 7 knots
Maximum winds   : 85 knots
Central pressure: 960 hPa

AREA AFFECTED
Within 45 nautical miles of the centre.

FORECAST
Maximum winds to 85 knots near the centre easing to 70 knots by 1200 UTC 16
December.
Winds above 64 knots within 15 nautical miles of centre with very high seas.
Winds above 48 knots within 20 nautical miles of centre with very rough to high
seas and moderate swell.
Winds above 34 knots within 45 nautical miles of centre with rough to very
rough seas and moderate swell.
Forecast positions
At 0000 UTC 16 December: Within 45 nautical miles of 15.6 south 124.2 east
                        Central pressure 959 hPa.
                        Winds to 85 knots near centre.
At 1200 UTC 16 December: Within 75 nautical miles of 16.6 south 123.9 east
                        Central pressure 972 hPa.
                        Winds to 70 knots near centre.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use either email to [email protected] or fax to +61892632261
or satellite to SAC 1241 through Land Earth Station Perth 312.

Next warning will be issued by 1900 UTC 15 December 2009.

WEATHER PERTH
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 1921UTC 15 DECEMBER 2009

HURRICANE FORCE WIND WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 1800 UTC Severe Tropical Cyclone Laurence was centred within 15 nautical
miles of
 latitude fifteen decimal zero south (15.0S)
 longitude one hundred and twenty four decimal five east (124.5E)
Recent movement : southwest at 6 knots
Maximum winds   : 90 knots
Central pressure: 954 hPa

AREA AFFECTED
Within 50 nautical miles of the centre.

FORECAST
Maximum winds to 90 knots near the centre easing to 75 knots after 0600 UTC 16
December.
Winds above 64 knots within 15 nautical miles of centre with high to phenomenal
seas.
Winds above 48 knots within 20 nautical miles of centre with very rough to high
seas and moderate swell.
Winds above 34 knots within 45 nautical miles in NE quadrant
  and within 40 nautical miles in SE quadrant
  and within 40 nautical miles in SW quadrant
  and within 50 nautical miles in NW quadrant with rough to very rough seas and
moderate swell.
Forecast positions
At 0600 UTC 16 December: Within 45 nautical miles of 16.0 south 123.9 east
                        Central pressure 955 hPa.
                        Winds to 90 knots near centre.
At 1800 UTC 16 December: Within 80 nautical miles of 16.6 south 123.9 east
                        Central pressure 979 hPa.
                        Winds to 60 knots near centre.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use either email to [email protected] or fax to +61892632261
or satellite to SAC 1241 through Land Earth Station Perth 312.

Next warning will be issued by 0100 UTC 16 December 2009.

WEATHER PERTH
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 0058UTC 16 DECEMBER 2009

HURRICANE FORCE WIND WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 0000 UTC Severe Tropical Cyclone Laurence was centred within 15 nautical
miles of
 latitude fifteen decimal four south (15.4S)
 longitude one hundred and twenty four decimal two east (124.2E)
Recent movement : southwest at 5 knots
Maximum winds   : 110 knots
Central pressure: 933 hPa

AREA AFFECTED
Within 50 nautical miles of the centre.

FORECAST
Maximum winds to 110 knots near the centre easing to 75 knots by 0000 UTC 17
December.
Winds above 64 knots within 15 nautical miles of centre with high to phenomenal
seas.
Winds above 48 knots within 20 nautical miles of centre with very rough to high
seas and moderate swell.
Forecast positions
At 1200 UTC 16 December: Within 45 nautical miles of 16.2 south 123.7 east
                        Central pressure 938 hPa.
                        Winds to 105 knots near centre.
At 0000 UTC 17 December: Within 80 nautical miles of 16.7 south 123.7 east
                        Central pressure 967 hPa.
                        Winds to 75 knots near centre.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use either email to [email protected] or fax to +61892632261
or satellite to SAC 1241 through Land Earth Station Perth 312.

Next warning will be issued by 0700 UTC 16 December 2009.

WEATHER PERTH
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 0632UTC 16 DECEMBER 2009

HURRICANE FORCE WIND WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 0600 UTC Severe Tropical Cyclone Laurence was centred within 20 nautical
miles of
 latitude sixteen decimal one south (16.1S)
 longitude one hundred and twenty four decimal one east (124.1E)
Recent movement : south southwest at 6 knots
Maximum winds   : 100 knots
Central pressure: 945 hPa

AREA AFFECTED
Within 40 nautical miles of the centre.

FORECAST
Maximum winds to 100 knots near the centre easing to 40 knots by 0600 UTC 17
December.
Winds above 64 knots within 15 nautical miles of centre with high to phenomenal
seas.
Winds above 48 knots within 20 nautical miles of centre with very rough to high
seas and moderate swell.
Forecast positions
At 1800 UTC 16 December: Over land within 50 nautical miles of 16.9 south 124.1
east
                        Central pressure 979 hPa.
                        Winds to 60 knots near centre.
At 0600 UTC 17 December: Over land within 80 nautical miles of 17.4 south 124.2
east 
                        Central pressure 992 hPa.
                        Winds to 40 knots near centre.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use either email to [email protected] or fax to +61892632261
or satellite to SAC 1241 through Land Earth Station Perth 312.

Next warning will be issued by 1300 UTC 16 December 2009.

WEATHER PERTH
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 1305UTC 16 DECEMBER 2009

GALE WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 1200 UTC Severe Tropical Cyclone Laurence was centred over land within 20
nautical miles of
 latitude sixteen decimal five south (16.5S)
 longitude one hundred and twenty four decimal zero east (124.0E)
Recent movement : south southwest at 4 knots
Maximum winds   : 85 knots
Central pressure: 957 hPa

AREA AFFECTED
Within 40 nautical miles of the centre.

FORECAST
Maximum winds to 85 knots near the centre near the coast. Maximum winds easing
to 35 knots by 1200 UTC 17 December.
Winds above 34 knots within 40 nautical miles of centre with rough to very
rough seas and moderate swell.
Winds above 48 knots are not expected over high seas region. 
Forecast positions
At 0000 UTC 17 December: Over land within 50 nautical miles of 17.2 south 124.2
east
                        Central pressure 982 hPa.
                        Winds to 55 knots near centre.
At 1200 UTC 17 December: Over land within 80 nautical miles of 17.8 south 123.8
east 
                        Central pressure 994 hPa.
                        Winds to 35 knots near centre.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use either email to [email protected] or fax to +61892632261
or satellite to SAC 1241 through Land Earth Station Perth 312.

Next warning will be issued by 1900 UTC 16 December 2009.

WEATHER PERTH
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 1841UTC 16 DECEMBER 2009

GALE WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 1800 UTC Severe Tropical Cyclone Laurence was centred over land within 20
nautical miles of
 latitude sixteen decimal six south (16.6S)
 longitude one hundred and twenty four decimal one east (124.1E)
Recent movement : south at 3 knots
Maximum winds   : 65 knots
Central pressure: 974 hPa

AREA AFFECTED
Within 40 nautical miles of the centre.

FORECAST
Maximum winds to 65 knots near the centre. Maximum winds easing to 30 knots by
1800 UTC 17 December.
Winds above 34 knots within 40 nautical miles of centre with rough to very
rough seas and moderate swell.
Winds above 48 knots are not expected over high seas region. 
Forecast positions
At 0600 UTC 17 December: Over land within 45 nautical miles of 17.3 south 124.2
east
                        Central pressure 989 hPa.
                        Winds to 45 knots near centre.
At 1800 UTC 17 December: Over land within 75 nautical miles of 17.6 south 123.9
east 
                        Central pressure 997 hPa.
                        Winds to 30 knots near centre.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use either email to [email protected] or fax to +61892632261
or satellite to SAC 1241 through Land Earth Station Perth 312.

Next warning will be issued by 0100 UTC 17 December 2009.

WEATHER PERTH
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 2151UTC 16 DECEMBER 2009

GALE WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 2100 UTC Tropical Cyclone Laurence was centred over land within 20 nautical
miles of
 latitude sixteen decimal seven south (16.7S)
 longitude one hundred and twenty four decimal two east (124.2E)
Recent movement : south southeast at 3 knots
Maximum winds   : 60 knots
Central pressure: 978 hPa

AREA AFFECTED
##

FORECAST

Winds above 33 knots are not expected over the high seas region. 

REMARKS
##

No further warnings will be issued unless the system intensifies.

WEATHER PERTH
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 0721UTC 18 DECEMBER 2009

GALE WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 0600 UTC Ex-Tropical Cyclone Laurence was centred over land within 20
nautical miles of
 latitude seventeen decimal three south (17.3S)
 longitude one hundred and twenty four decimal zero east (124.0E)
Recent movement : west southwest at 3 knots
Maximum winds   : 30 knots
Central pressure: 998 hPa

AREA AFFECTED
Within 60 nautical miles of the centre.

FORECAST

Maximum winds to 30 knots near the centre increasing to 40 knots within 60
nautical miles by 19/1200 UTC

REMARKS
Forecast positions
At 1800 UTC 18 December: Within 45 nautical miles of 17.2 south 123.0 east over
land
                        Central pressure 999 hPa.
                        Winds to 30 knots.
At 0600 UTC 19 December: Within 70 nautical miles of 17.2 south 122.1 east
                        Central pressure 998 hPa.
                        Winds to 30 knots.

Next warning will be issued by 1300 UTC 18 December 2009.

WEATHER PERTH
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 1257UTC 18 DECEMBER 2009

GALE WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 1200 UTC Ex-Tropical Cyclone Laurence was centred over land within 20
nautical miles of
 latitude seventeen decimal one south (17.1S)
 longitude one hundred and twenty three decimal six east (123.6E)
Recent movement : west northwest at 4 knots
Maximum winds   : 30 knots
Central pressure: 998 hPa

AREA AFFECTED
Within 60 nautical miles of the centre.

FORECAST

Maximum winds to 30 knots near the centre increasing to 40 knots within 60
nautical miles of the centre by 1200 UTC 19 December.

REMARKS
Forecast positions
At 0000 UTC 19 December: Within 40 nautical miles of 16.9 south 122.8 east over
land
                        Central pressure 998 hPa.
                        Winds to 30 knots.
At 1200 UTC 19 December: Within 60 nautical miles of 17.2 south 122.0 east
                        Central pressure 993 hPa.
                        Winds to 40 knots.

Next warning will be issued by 1900 UTC 18 December 2009.

WEATHER PERTH
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 1857UTC 18 DECEMBER 2009

STORM FORCE WIND WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 1800 UTC Ex-Tropical Cyclone Laurence was centred over land within 20
nautical miles of
 latitude sixteen decimal seven south (16.7S)
 longitude one hundred and twenty two decimal eight east (122.8E)
Recent movement : west northwest at 6 knots
Maximum winds   : 30 knots
Central pressure: 998 hPa

AREA AFFECTED
Within 55 nautical miles of the centre.

FORECAST

Maximum winds to 30 knots increasing to 35 knots within 55 nautical miles and
50 knots within 25 nautical miles of the centre by 1800 UTC 19 December.

REMARKS
Forecast positions
At 0600 UTC 19 December: Within 50 nautical miles of 16.6 south 122.0 east over
land
                        Central pressure 995 hPa.
                        Winds to 35 knots.
At 1800 UTC 19 December: Within 70 nautical miles of 16.9 south 121.3 east
                        Central pressure 986 hPa.
                        Winds to 50 knots.

Next warning will be issued by 0100 UTC 19 December 2009.

WEATHER PERTH
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 0110UTC 19 DECEMBER 2009

STORM FORCE WIND WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 0000 UTC Ex-Tropical Cyclone Laurence was centred over water within 20
nautical miles of
 latitude sixteen decimal seven south (16.7S)
 longitude one hundred and twenty two decimal four east (122.4E)
Recent movement : west northwest at 6 knots
Maximum winds   : 30 knots
Central pressure: 998 hPa

AREA AFFECTED
Within 55 nautical miles of the centre.

FORECAST
Maximum winds to 30 knots near the centre increasing to 60 knots by 0000 UTC 20
December.
Winds above 48 knots developing within 20 nautical miles of centre from 19/1200
UTC with very rough to high seas and moderate swell.
Winds above 34 knots developing within 55 nautical miles of centre from 19/0300
with rough to very rough seas and moderate swell.
Forecast positions
At 1200 UTC 19 December: Within 50 nautical miles of 16.9 south 121.6 east
                        Central pressure 987 hPa.
                        Winds to 50 knots.
At 0000 UTC 20 December: Within 80 nautical miles of 17.3 south 120.6 east
                        Central pressure 980 hPa.
                        Winds to 60 knots.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use either email to [email protected] or fax to +61892632261
or satellite to SAC 1241 through Land Earth Station Perth 312.

Next warning will be issued by 0700 UTC 19 December 2009.

WEATHER PERTH
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 0705UTC 19 DECEMBER 2009

HURRICANE FORCE WIND WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 0600 UTC Tropical Cyclone Laurence was centred over water within 10 nautical
miles of
latitude sixteen decimal nine south (16.9S)
longitude one hundred and twenty two decimal two east (122.2E)
Recent movement : southwest at 3 knots
Maximum winds : 45 knots
Central pressure: 987 hPa

AREA AFFECTED
Within 70 nautical miles of the centre.

FORECAST
Maximum winds to 45 knots near the centre increasing to 70 knots by 0600 UTC 20
December.
Winds above 48 knots developing within 30 nautical miles of centre from 19/1200
UTC with very rough to high seas and moderate swell.
Winds above 34 knots within 40 nautical miles, extending to within 70 nautical
miles of centre by 20/1200 with rough to very rough seas and moderate swell.
Forecast positions
At 1800 UTC 19 December: Within 40 nautical miles of 17.2 south 121.4 east
Central pressure 978 hPa.
Winds to 60 knots.
At 0600 UTC 20 December: Within 70 nautical miles of 17.8 south 120.8 east
Central pressure 970 hPa.
Winds to 70 knots.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use either email to [email protected] or fax to +61892632261
or satellite to SAC 1241 through Land Earth Station Perth 312.

Next warning will be issued by 1300 UTC 19 December 2009.

WEATHER PERTH
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 1300UTC 19 DECEMBER 2009

HURRICANE FORCE WIND WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 1200 UTC Tropical Cyclone Laurence was centred over water within 10 nautical
miles of
 latitude seventeen decimal three south (17.3S)
 longitude one hundred and twenty one decimal eight east (121.8E)
Recent movement : southwest at 5 knots
Maximum winds   : 55 knots
Central pressure: 984 hPa

AREA AFFECTED
Within 70 nautical miles of the centre.

FORECAST
Maximum winds to 55 knots near the centre increasing to 90 knots by 1200 UTC 20
December.
Winds above 64 knots within 15 nautical miles of centre from 20/0000 UTC with
very high to phenomenal seas.
Winds above 48 knots developing within 25 nautical miles of centre with very
rough to high seas and moderate swell.
Winds above 34 knots within within 70 nautical miles of centre with rough to
very rough seas and moderate swell.
Forecast positions
At 0000 UTC 20 December: Within 30 nautical miles of 17.8 south 121.0 east
                        Central pressure 972 hPa.
                        Winds to 70 knots.
At 1200 UTC 20 December: Within 55 nautical miles of 18.4 south 120.6 east
                        Central pressure 950 hPa.
                        Winds to 90 knots.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use either email to [email protected] or fax to +61892632261
or satellite to SAC 1241 through Land Earth Station Perth 312.

Next warning will be issued by 1900 UTC 19 December 2009.

WEATHER PERTH
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 1859UTC 19 DECEMBER 2009

HURRICANE FORCE WIND WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 1800 UTC Tropical Cyclone Laurence was centred within 10 nautical miles of
 latitude seventeen decimal six south (17.6S)
 longitude one hundred and twenty one decimal two east (121.2E)
Recent movement : southwest at 6 knots
Maximum winds   : 60 knots
Central pressure: 980 hPa

AREA AFFECTED
Within 80 nautical miles of the centre.

FORECAST
Maximum winds to 60 knots near the centre increasing to 100 knots by 1800 UTC
20 December.
Winds above 64 knots within 15 nautical miles of centre from 19/2100 UTC with
very high to phenomenal seas.
Winds above 48 knots within 25 nautical miles of centre with very rough to high
seas and moderate to heavy swell.
Winds above 34 knots within 80 nautical miles of centre with rough to very
rough seas and moderate swell.
Forecast positions
At 0600 UTC 20 December: Within 30 nautical miles of 18.4 south 120.4 east
                        Central pressure 961 hPa.
                        Winds to 80 knots.
At 1800 UTC 20 December: Within 50 nautical miles of 18.9 south 120.3 east
                        Central pressure 941 hPa.
                        Winds to 100 knots.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use either email to [email protected] or fax to +61892632261
or satellite to SAC 1241 through Land Earth Station Perth 312.

Next warning will be issued by 0100 UTC 20 December 2009.

WEATHER PERTH
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 0100UTC 20 DECEMBER 2009

HURRICANE FORCE WIND WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 0000 UTC Tropical Cyclone Laurence was centred within 20 nautical miles of
 latitude seventeen decimal eight south (17.8S)
 longitude one hundred and twenty one decimal one east (121.1E)
Recent movement : southwest at 4 knots
Maximum winds   : 60 knots
Central pressure: 980 hPa

AREA AFFECTED
Within 80 nautical miles of the centre.

FORECAST
Maximum winds to 60 knots near the centre increasing to 90 knots by 0000 UTC 21
December.
Winds above 64 knots within 15 nautical miles of centre from 20/0600 UTC with
very high to phenomenal seas.
Winds above 48 knots within 25 nautical miles of centre with very rough to high
seas and moderate to heavy swell.
Winds above 34 knots within 80 nautical miles of centre with rough to very
rough seas and moderate swell.
Forecast positions
At 1200 UTC 20 December: Within 40 nautical miles of 18.3 south 120.8 east
                        Central pressure 951 hPa.
                        Winds to 75 knots.
At 0000 UTC 21 December: Within 60 nautical miles of 18.8 south 120.7 east
                        Central pressure 941 hPa.
                        Winds to 90 knots.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use either email to [email protected] or fax to +61892632261
or satellite to SAC 1241 through Land Earth Station Perth 312.

Next warning will be issued by 0700 UTC 20 December 2009.

WEATHER PERTH
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 0657UTC 20 DECEMBER 2009

HURRICANE FORCE WIND WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 0600 UTC Severe Tropical Cyclone Laurence was centred within 15 nautical
miles of
latitude eighteen decimal three south (18.3S)
longitude one hundred and twenty decimal seven east (120.7E)
Recent movement : southwest at 5 knots
Maximum winds : 65 knots
Central pressure: 970 hPa

AREA AFFECTED
Within 80 nautical miles of the centre.

FORECAST
Maximum winds to 65 knots near the centre increasing to 90 knots by 0600 UTC 21
December.
Winds above 64 knots within 15 nautical miles of centre with very high to
phenomenal seas.
Winds above 48 knots within 25 nautical miles of centre with very rough to high
seas and moderate to heavy swell.
Winds above 34 knots within 80 nautical miles of centre with rough to very
rough seas and moderate swell.
Forecast positions
At 1800 UTC 20 December: Within 35 nautical miles of 18.7 south 120.4 east
Central pressure 955 hPa.
Winds to 80 knots.
At 0600 UTC 21 December: Within 60 nautical miles of 19.2 south 120.5 east
Central pressure 946 hPa.
Winds to 90 knots.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use either email to [email protected] or fax to +61892632261
or satellite to SAC 1241 through Land Earth Station Perth 312.

Next warning will be issued by 1300 UTC 20 December 2009.

WEATHER PERTH
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 1301UTC 20 DECEMBER 2009

HURRICANE FORCE WIND WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 1200 UTC Severe Tropical Cyclone Laurence was centred within 15 nautical
miles of
 latitude eighteen decimal five south (18.5S)
 longitude one hundred and twenty decimal four east (120.4E)
Recent movement : southwest at 4 knots
Maximum winds   : 70 knots
Central pressure: 965 hPa

AREA AFFECTED
Within 80 nautical miles of the centre.

FORECAST
Maximum winds to 70 knots near the centre increasing to 90 knots by 1200 UTC 21
December.
Winds above 64 knots within 15 nautical miles of centre with very high to
phenomenal seas.
Winds above 48 knots within 25 nautical miles of centre with very rough to high
seas and moderate to heavy swell.
Winds above 34 knots within 80 nautical miles of centre with rough to very
rough seas and moderate swell.
Forecast positions
At 0000 UTC 21 December: Within 35 nautical miles of 19.1 south 120.3 east
                        Central pressure 951 hPa.
                        Winds to 85 knots.
At 1200 UTC 21 December: Within 55 nautical miles of 19.9 south 120.4 east
                        Central pressure 946 hPa.
                        Winds to 90 knots.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use either email to [email protected] or fax to +61892632261
or satellite to SAC 1241 through Land Earth Station Perth 312.

Next warning will be issued by 1900 UTC 20 December 2009.

WEATHER PERTH
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 1904UTC 20 DECEMBER 2009

HURRICANE FORCE WIND WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 1800 UTC Severe Tropical Cyclone Laurence was centred within 10 nautical
miles of
 latitude eighteen decimal seven south (18.7S)
 longitude one hundred and twenty decimal four east (120.4E)
Recent movement : south southwest at 3 knots
Maximum winds   : 85 knots
Central pressure: 952 hPa

AREA AFFECTED
Within 80 nautical miles of the centre.

FORECAST
Maximum winds to 85 knots near the centre increasing to 95 knots by 0600 UTC 21
December.
Winds above 64 knots within 15 nautical miles of centre with very high to
phenomenal seas.
Winds above 48 knots within 25 nautical miles of centre with very rough to high
seas and moderate to heavy swell.
Winds above 34 knots within 80 nautical miles of centre with rough to very
rough seas and moderate swell.
Forecast positions
At 0600 UTC 21 December: Within 40 nautical miles of 19.3 south 120.3 east
                        Central pressure 944 hPa.
                        Winds to 95 knots.
At 1800 UTC 21 December: Within 70 nautical miles of 20.1 south 120.4 east
                        Central pressure 962 hPa.
                        Winds to 75 knots.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use either email to [email protected] or fax to +61892632261
or satellite to SAC 1241 through Land Earth Station Perth 312.

Next warning will be issued by 0100 UTC 21 December 2009.

WEATHER PERTH
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 0116UTC 21 DECEMBER 2009

HURRICANE FORCE WIND WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 0000 UTC Severe Tropical Cyclone Laurence was centred within 10 nautical
miles of
 latitude nineteen decimal zero south (19.0S)
 longitude one hundred and twenty decimal four east (120.4E)
Recent movement : south at 3 knots
Maximum winds   : 100 knots
Central pressure: 939 hPa

AREA AFFECTED
Within 70 nautical miles of the centre.

FORECAST
Maximum winds to 100 knots near the centre easing to 90 knots by 1200 UTC 21
December once the system is over land.
Winds above 64 knots within 15 nautical miles of centre with very high to
phenomenal seas.
Winds above 48 knots within 25 nautical miles of centre with very rough to high
seas and moderate to heavy swell.
Winds above 34 knots within 70 nautical miles of centre with rough to very
rough seas and moderate swell.
Forecast positions
At 1200 UTC 21 December: Over land within 30 nautical miles of 19.9 south 120.6
east
                        Central pressure 949 hPa.
                        Winds to 90 knots.
At 0000 UTC 22 December: Over land within 60 nautical miles of 20.8 south 120.9
east
                        Central pressure 974 hPa.
                        Winds to 60 knots.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use either email to [email protected] or fax to +61892632261
or satellite to SAC 1241 through Land Earth Station Perth 312.

Next warning will be issued by 0700 UTC 21 December 2009.

WEATHER PERTH
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 0653UTC 21 DECEMBER 2009

HURRICANE FORCE WIND WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 0600 UTC Severe Tropical Cyclone Laurence was centred within 10 nautical
miles of
 latitude nineteen decimal five south (19.5S)
 longitude one hundred and twenty decimal six east (120.6E)
Recent movement : south southeast at 5 knots
Maximum winds   : 110 knots
Central pressure: 929 hPa

AREA AFFECTED
Within 70 nautical miles of the centre.

FORECAST
Maximum winds to 110 knots near the centre easing to 80 knots by 1800 UTC 21
December once the system is over land.
Winds above 64 knots within 15 nautical miles of centre with very high to
phenomenal seas.
Winds above 48 knots within 25 nautical miles of centre with very rough to high
seas and moderate to heavy swell.
Winds above 34 knots within 70 nautical miles of centre with rough to very
rough seas and moderate swell.
Forecast positions
At 1800 UTC 21 December: Over land within 40 nautical miles of 20.3 south 121.0
east
                        Central pressure 957 hPa.
                        Winds to 80 knots.
At 0600 UTC 22 December: Over land within 70 nautical miles of 21.4 south 121.6
east
                        Central pressure 982 hPa.
                        Winds to 50 knots.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use either email to [email protected] or fax to +61892632261
or satellite to SAC 1241 through Land Earth Station Perth 312.

Next warning will be issued by 1300 UTC 21 December 2009.

WEATHER PERTH
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 1302UTC 21 DECEMBER 2009

HURRICANE FORCE WIND WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 1200 UTC Severe Tropical Cyclone Laurence was centred over land within 10
nautical miles of
latitude twenty decimal zero south (20.0S)
longitude one hundred and twenty decimal eight east (120.8E)
Recent movement : south southeast at 6 knots
Maximum winds : 110 knots
Central pressure: 927 hPa

AREA AFFECTED
Within 80 nautical miles of the centre.

FORECAST
Maximum winds to 110 knots near the centre easing to 75 knots by 0000 UTC 22
December over land.
Winds above 64 knots within 15 nautical miles of centre with very high to
phenomenal seas.
Winds above 48 knots within 25 nautical miles of centre with very rough to high
seas and moderate to heavy swell.
Winds above 34 knots within 70 nautical miles of centre with rough to very
rough seas and moderate swell.
Forecast positions
At 0000 UTC 22 December: Over land within 35 nautical miles of 21.0 south 121.3
east
Central pressure 960 hPa.
Winds to 75 knots.
At 1200 UTC 22 December: Over land within 65 nautical miles of 22.4 south 122.4
east
Central pressure 981 hPa.
Winds to 50 knots.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use either email to [email protected] or fax to +61892632261
or satellite to SAC 1241 through Land Earth Station Perth 312.

Next warning will be issued by 1900 UTC 21 December 2009.

WEATHER PERTH
=========================================================================
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 1837UTC 21 DECEMBER 2009

HURRICANE FORCE WIND WARNING

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 1800 UTC Severe Tropical Cyclone Laurence was centred over land within 10
nautical miles of
 latitude twenty decimal six south (20.6S)
 longitude one hundred and twenty one decimal zero east (121.0E)
Recent movement : south southeast at 6 knots
Maximum winds   : 80 knots
Central pressure: 956 hPa

AREA AFFECTED
Winds have eased below 33 knots in the high seas area.

FORECAST
At 0600 UTC 22 December: Over land within 40 nautical miles of 21.8 south 121.7
east
                        Central pressure 973 hPa.
                        Winds to 60 knots.
At 1800 UTC 22 December: Over land within 70 nautical miles of 23.3 south 123.6
east
                        Central pressure 985 hPa.
                        Winds to 45 knots.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use either email to [email protected] or fax to +61892632261
or satellite to SAC 1241 through Land Earth Station Perth 312.

No further warnings will be issued for this event.

WEATHER PERTH

Tropical cyclone tracks developed by Michael Bath using operational warnings and advisories.


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Document: tropical_cyclone_laurence_bom_warnings.htm Updated: 2 May 2017