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Monthly Global Tropical Cyclone Tracks April 2008
[Summaries and Track Data] [Prepared by Gary Padgett]

               GLOBAL TROPICAL CYCLONE TRACKS - APRIL 2008

          !!!! IMPORTANT -- PLEASE SEE NOTE AT END OF FILE !!!!

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NORTHWEST PACIFIC (NWP) - North Pacific Ocean West of Longitude 180


                          Sources of Information
                          ----------------------

     The track coordinates and 1-minute average maximum sustained wind
  values in general were taken from operational warnings issued by the
  Joint Typhoon Warning Center (JTWC) of the U. S. Air Force and Navy,
  located at Pearl Harbor, Hawaii.  The central pressure and 10-minute
  average maximum sustained wind estimates for most systems were obtained
  from warnings issued by the Japanese Meteorological Agency (JMA), which
  is the World Meteorological Organization's Regional Specialised Meteor-
  ological Centre for the basin.  In a few instances, information from
  warnings issued by other Asian warning centers may have been utilized.
  The center position coordinates from JMA and other centers were com-
  pared with those from JTWC and annotations made in the Remarks column
  when the differences in general amounted to 40-50 nm or more.

     Michael V. Padua of Naga City in the Philippines, owner of the
  Typhoon 2000 website, sends me cyclone tracks based upon warnings
  issued by the Japanese Meteorological Agency and the Philippines'
  Atmospheric, Geophysical & Astronomical Services Administration
  (PAGASA).  A special thanks to Michael for his efforts.


                              Systems Tracked
                              ---------------

   Typhoon NEOGURI (02W / 0801 / AMBO)                 13 - 19 Apr

*************************************************************************

Storm Name: NEOGURI               Cyclone Number: 02W     Basin: NWP
PAGASA Internal Name: AMBO        JMA Tropical Storm Number: 0801

   Date   Time   Lat      Lon    Cent  MSW   MSW        Remarks
          (GMT)                 Press 1-min 10-min
                                 (mb) (kts) (kts)
-------------------------------------------------------------------------

08 APR 13 1200   9.0 N  124.0 E  1004         25  JMA bulletin
08 APR 13 1800   8.0 N  123.0 E  1004         25        "
08 APR 14 0000   9.6 N  121.5 E  1004   30    30  JMA: 8.9N/121.3E
08 APR 14 0600   9.3 N  120.3 E  1004   30    30  JMA: 8.9N/120.3E
08 APR 14 1200   9.2 N  119.0 E  1004   35    30
08 APR 14 1800   9.7 N  118.2 E  1002   35    30  JMA: 9.8N/117.6E
08 APR 15 0000  10.6 N  117.1 E  1002   35    30  JMA: 10.0N/117.1E
08 APR 15 0600  10.7 N  116.1 E   998   35    35
08 APR 15 1200  11.2 N  114.7 E   998   40    35
08 APR 15 1800  12.8 N  114.3 E   992   45    45
08 APR 16 0000  13.3 N  113.1 E   985   60    50
08 APR 16 0600  13.4 N  112.4 E   980   65    55
08 APR 16 1200  13.7 N  112.4 E   970   75    65
08 APR 16 1800  14.7 N  112.3 E   970   75    65
08 APR 17 0000  15.2 N  112.1 E   965   80    70
08 APR 17 0600  15.9 N  112.0 E   960   90    80
08 APR 17 1200  16.6 N  111.9 E   960   85    80
08 APR 17 1800  17.2 N  111.9 E   960   95    80
08 APR 18 0000  18.0 N  111.5 E   960   95    80
08 APR 18 0600  18.6 N  111.3 E   965   85    75
08 APR 18 1200  19.4 N  111.3 E   970   80    70
08 APR 18 1800  20.0 N  111.6 E   975   75    65
08 APR 19 0000  20.9 N  111.6 E   980   55    55
08 APR 19 0600  21.7 N  112.1 E   990   45    45
08 APR 19 1200  22.6 N  113.0 E   996   35    35  Inland in China
08 APR 19 1800  25.0 N  115.0 E  1000         25  JMA bulletin

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NORTH INDIAN OCEAN (NIO) - Bay of Bengal and Arabian Sea

                        Sources of Information
                        ----------------------

     The track coordinates and 1-minute average maximum sustained wind
  values in general were taken from operational warnings issued by the
  Joint Typhoon Warning Center (JTWC) of the U. S. Air Force and Navy,
  located at Pearl Harbor, Hawaii.   Occasionally some information may
  have been gleaned from the daily tropical weather outlooks and other
  bulletins issued by the Indian Meteorological Department (IMD), which
  is the World Meteorological Organization's Regional Specialised Meteor-
  ological Centre for the basin.
 
     The reported maximum sustained winds are based on a 1-minute
  averaging period, which is used by all U. S. civilian and military
  weather services for tropical cyclone warnings.     For synoptic
  observations in the North Indian Ocean region, both 10-minute and
  3-minute average winds are employed, but IMD makes no attempt to
  modify the Dvorak scale for estimating tropical cyclone intensity;
  hence, a 1-minute average MSW is implied.


                            Systems Tracked
                            ---------------

   Very Severe Cyclonic Storm NARGIS (01B)             27 Apr - 03 May
                                                     
*************************************************************************

Storm Name: NARGIS                Cyclone Number: 01B     Basin: NIO


   Date   Time   Lat      Lon    Cent  MSW   MSW        Remarks
          (GMT)                 Press 1-min 10-min
                                 (mb) (kts) (kts)
-------------------------------------------------------------------------

08 APR 27 0300  12.0 N   87.0 E         25
08 APR 27 1200  12.1 N   85.6 E         35        IMD: 12.0N/86.5E
08 APR 27 1800  12.5 N   85.4 E         40
08 APR 28 0000  12.8 N   85.5 E         55
08 APR 28 0600  13.3 N   85.5 E         65
08 APR 28 1200  12.9 N   85.3 E         65
08 APR 28 1800  13.2 N   85.3 E         75
08 APR 29 0000  13.6 N   85.2 E         85        IMD-2100Z: 13.0N/85.5E
08 APR 29 0600  13.5 N   85.6 E         80
08 APR 29 1200  13.5 N   86.2 E         70        IMD: 14.0N/85.5E
08 APR 29 1800  13.6 N   86.5 E         70
08 APR 30 0000  14.4 N   86.9 E         75
08 APR 30 0600  14.6 N   87.1 E         70
08 APR 30 1200  15.0 N   87.5 E         70        IMD: 14.5N/87.0E
08 APR 30 1800  15.3 N   88.2 E         65
08 MAY 01 0000  15.5 N   89.0 E         70        IMD-2100Z: 15.0N/87.5E
08 MAY 01 0600  15.8 N   89.8 E         75
08 MAY 01 1200  15.9 N   90.7 E         90
08 MAY 01 1800  15.8 N   91.7 E        110
08 MAY 02 0000  15.7 N   92.6 E        100
08 MAY 02 0600  15.9 N   93.7 E        115
08 MAY 02 1200  16.0 N   94.7 E        105        Inland in Myanmar
08 MAY 02 1800  16.3 N   95.6 E         85
08 MAY 03 0000  16.9 N   96.2 E         70
08 MAY 03 0600  17.3 N   97.0 E         50
08 MAY 03 1200  18.3 N   97.5 E         40

*************************************************************************
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NORTHWEST AUSTRALIA/SOUTHEAST INDIAN OCEAN (AUW) - Longitude 90E to 135E


                          Sources of Information
                          ----------------------

     The track coordinates as well as the central pressure and 10-minute
  average maximum sustained wind estimates were obtained from warnings
  issued by the Tropical Cyclone Warning Centres at Perth, Western
  Australia, and Darwin, Northern Territory.    The 1-minute average
  maximum sustained wind estimates were taken from warnings issued by
  the Joint Typhoon Warning Center (JTWC) of the U. S. Air Force and
  Navy, located at Pearl Harbor, Hawaii.  The center position coordinates
  from JTWC were compared with those from the Australian centres and
  annotations made in the Remarks column when the differences in general
  amounted to 40-50 nm or more.


                             Systems Tracked
                             ---------------

   Tropical Cyclone ROSIE (28S)                        20 - 25 Apr
   Tropical Cyclone DURGA (29S)                        22 - 25 Apr

*************************************************************************

Storm Name: ROSIE                 Cyclone Number: 28S     Basin: AUW
(Name assigned by Perth TCWC)

   Date   Time   Lat      Lon    Cent  MSW   MSW        Remarks
          (GMT)                 Press 1-min 10-min
                                 (mb) (kts) (kts)
-------------------------------------------------------------------------

08 APR 20 2100   8.5 S   98.7 E         30        SAB satellite bulletin
08 APR 21 0000   8.7 S   99.5 E         30        JTWC satellite bulletin
08 APR 21 0600   9.1 S  100.5 E         30                  "
08 APR 21 1200   9.1 S  102.4 E   998   30    30  JTWC: 9.7S/102.0E
08 APR 21 1800   9.5 S  103.7 E   994   40    30  JTWC: 10.0S/103.7E
08 APR 22 0000  10.5 S  104.8 E   988         40
08 APR 22 0600  11.3 S  105.2 E   980   45    50
08 APR 22 1200  10.8 S  105.7 E   984         45
08 APR 22 1800  10.7 S  106.3 E   988   35    40
08 APR 23 0000  11.1 S  106.8 E   988         40
08 APR 23 0600  11.4 S  106.3 E   990   35    35
08 APR 23 1200  11.6 S  106.2 E   994         30
08 APR 23 1400  12.8 S  106.6 E   994         30  Relocated
08 APR 23 1800  12.6 S  106.2 E   994   35    30  Gales in SE quadrant
08 APR 24 0000  14.2 S  106.0 E   994         30            "
08 APR 24 0600  15.0 S  105.9 E   994   30    30  Gales in NE & SE quads
08 APR 24 1200  15.7 S  105.9 E   994         30  Gales in SE quadrant
08 APR 24 1800  17.0 S  105.5 E   996         30  Gales in southern quads
08 APR 25 0000  17.9 S  105.1 E   998         30  No gales/Final warning

Note: JTWC position at 23/1800 UTC was 12.8S/106.9E.

*************************************************************************

Storm Name: DURGA                 Cyclone Number: 29S     Basin: AUW
(System named by Jakarta, Indonesia, TCWC)

   Date   Time   Lat      Lon    Cent  MSW   MSW        Remarks
          (GMT)                 Press 1-min 10-min
                                 (mb) (kts) (kts)
-------------------------------------------------------------------------

08 APR 22 0600   8.0 S   90.3 E         30        Based on SAB bulletins
08 APR 22 1200   8.0 S   92.3 E         30                  "
08 APR 22 1800   8.6 S   93.8 E         35        JTWC warning
08 APR 23 0000   8.8 S   94.8 E         35        Based on SAB bulletins
08 APR 23 0600   9.0 S   96.3 E         40        JTWC warning
08 APR 23 1200   9.7 S   96.7 E         40        Based on SAB bulletins
08 APR 23 1800   9.9 S   96.9 E   988   40    40  Jakarta warning
08 APR 24 0000  10.1 S   98.1 E   990         40  Perth warnings
08 APR 24 0600  10.6 S   99.0 E   992   35    35  
08 APR 24 1200  11.3 S   99.4 E   992         35
08 APR 24 1800  11.9 S   99.6 E   992         35
08 APR 25 0000  12.4 S  100.0 E   996         30  Final Perth warning
08 APR 25 0230  12.8 S  100.1 E               30  SAB bulletin/See note
08 APR 25 0830  13.6 S   99.9 E               30  SAB satellite bulletin

Note: A QuikScat pass at 24/2350 UTC showed maximum winds of 30 kts in
rain-free areas.

*************************************************************************
*************************************************************************

SOUTH PACIFIC (SPA) - South Pacific Ocean East of Longitude 160E


                          Sources of Information
                          ----------------------

     The track coordinates as well as the central pressure and 10-minute
  average maximum sustained wind estimates were obtained from warnings
  issued by the Tropical Cyclone Warning Centres at Nadi, Fiji, and
  Wellington, New Zealand.  The 1-minute average maximum sustained wind
  estimates were taken from warnings issued by the Joint Typhoon Warning
  Center (JTWC) of the U. S. Air Force and Navy, located at Pearl Harbor,
  Hawaii.  The center position coordinates from JTWC were compared with
  those from the Southern Hemisphere centres and annotations made in the
  Remarks column when the differences in general amounted to 40-50 nm
  or more.


                             Systems Tracked
                             ---------------

   Tropical Depression (15F)                           04 - 07 Apr
   Tropical Depression (16F / 27P)                     17 - 19 Apr

*************************************************************************

Storm Name: None                  Cyclone Number: None    Basin: SPA
Fiji Tropical Disturbance Number: 15F

   Date   Time   Lat      Lon    Cent  MSW   MSW        Remarks
          (GMT)                 Press 1-min 10-min
                                 (mb) (kts) (kts)
-------------------------------------------------------------------------

08 APR 04 1600  15.5 S  159.0 E  1006         20
08 APR 04 2300  15.7 S  159.2 E  1005         25
08 APR 05 0600  16.5 S  160.2 E  1005         25
08 APR 05 1800  18.5 S  166.0 E  1002         30  Perip. gales NE to S
08 APR 06 0000  19.8 S  165.4 E  1005         30            "
08 APR 06 0600  20.6 S  167.2 E  1002         30  Perip. gales S semi.
08 APR 06 2100  23.0 S  170.5 E  1002         30
08 APR 07 0600  25.2 S  174.3 E  1004         25

Note: The Brisbane Tropical Cyclone Outlook for the Coral Sea issued on
6 April referred to this system as a subtropical depression.  I received
no satellite fix bulletins on this system.

*************************************************************************

Storm Name: None                  Cyclone Number: 27P    Basin: SPA
Fiji Tropical Disturbance Number: 16F

   Date   Time   Lat      Lon    Cent  MSW   MSW        Remarks
          (GMT)                 Press 1-min 10-min
                                 (mb) (kts) (kts)
-------------------------------------------------------------------------

08 APR 17 1800  14.2 S  160.0 E  1000         30  Perip. gales SW to NW
08 APR 18 0000  14.9 S  162.3 E  1000   35    30  JTWC: 15.2S/160.8E
08 APR 18 0600  15.2 S  163.4 E   998         30  Perip. gales NE to SW
08 APR 18 1200  16.5 S  163.4 E   998   35    30  JTWC: 17.0S/164.0E
08 APR 18 1800  17.4 S  163.8 E   998         30  Perip. gales NE to SW
08 APR 19 0000  18.8 S  166.0 E  1000   35    30  Perip. gales NE to SE
08 APR 19 0600  19.5 S  167.0 E  1000         30             "
08 APR 19 1200  21.4 S  169.2 E  1004         30             "
08 APR 19 1800  22.0 S  170.0 E  1004         30             "
08 APR 19 2300  24.5 S  173.0 E  1000         30  No gales mentioned

Note: Dvorak ratings from CPHC and Brisbane reached T3.0/3.0 early on
the 18th.  JTWC's ratings peaked at T2.5/2.5 at 17/2330 UTC and were
coming down slightly by 18/0530 UTC.  The highest noted from SAB was
T2.0/2.0.  The satellite intensity estimates from CPHC and Brisbane
seem to support this system being a minimal "10-min avg" tropical
cyclone.

*************************************************************************
*************************************************************************

              !!!!!!  IMPORTANT NOTE - PLEASE READ  !!!!!!

     To repeat the caveat which is included in the Author's Note
  at the end of the cyclone summaries--the tropical cyclone tracks
  I prepare are based upon the operational warnings/advisories/
  advices/bulletins which are issued by the various tropical cyclone
  warning agencies around the world.   Users of these tracks should
  be aware that they are preliminary and subject to revision during
  post-seasonal analyses of the cyclones by the forecasters and
  analysts at the several warning centers.

     For the Atlantic and Northeast Pacific basins, official tropical
  cyclone reports and "best tracks" can be found at the website of
  the Tropical Prediction Center/National Hurricane Center:

     http://www.nhc.noaa.gov>

     The Joint Typhoon Warning Center's website contains links to their
  Annual Tropical Cyclone Reports which include that agency's "best
  tracks" for tropical cyclones in the Northwest Pacific basin, the
  North Indian Ocean, and the Southern Hemisphere:

     https://metocph.nmci.navy.mil/jtwc.php>


  SPECIAL NOTE:  Back issues of the global tropical cyclone summaries
  and monthly cyclone track files can be obtained at the following
  websites:

    ftp://ftp.aoml.noaa.gov/hrd/pub/landsea/padgett/>
    http://australiasevereweather.com/cyclones/>
    http://www.typhoon2000.ph>
    http://mpittweather.com>
    http://www.tropicalcyclone2005.com/>


  PREPARED BY:

  Gary Padgett              garyp@alaweb.com


  SIGNIFICANT CONTRIBUTIONS BY:

  Michael V. Padua          michaelpadua@hotmail.com 
                            webmaster@typhoon2000.ph

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Document: trak0804.htm
Updated: 8th May 2008

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