[Index]
Monthly Global Tropical Cyclone Summary November 2007
[Summaries and Track Data] [Prepared by Gary Padgett]
| Tropical
Cyclones
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Monthly Global Tropical Cyclone Summary November 2007 [Summaries and Track Data] [Prepared by Gary Padgett] |
MONTHLY GLOBAL TROPICAL CYCLONE SUMMARY
NOVEMBER, 2007
First Installment
(For general comments about the nature of these summaries, as well as
information on how to download the tabular cyclone track files, see
the Author's Note at the end of this summary.)
NOTE!!! The November summary is being issued in two installments. The
first covers the Atlantic and North Indian Ocean basins and the entire
Southern Hemisphere, plus contains an extra feature. The second
installment will cover the Northwest Pacific basin.
*************************************************************************
NOVEMBER HIGHLIGHTS
--> Southern Hemisphere season begins with three tropical cyclones
--> Northwest Pacific quite active with four named storms
--> Intense and deadly cyclone strikes Bangladesh
*************************************************************************
WIKIPEDIA TROPICAL CYCLONE REPORTS
Short reports with satellite pictures and small-scale maps for all
tropical cyclones may be found at the following links:
http://en.wikipedia.org/wiki/2007_Atlantic_hurricane_season>
http://en.wikipedia.org/wiki/2007_Pacific_hurricane_season>
http://en.wikipedia.org/wiki/2007_Pacific_typhoon_season>
http://en.wikipedia.org/wiki/2007_North_Indian_cyclone_season>
http://en.wikipedia.org/wiki/2007-08_Southern_Hemisphere_tropical_cyclone_season>
For some storms more detailed reports have been prepared. In those cases
I will include the specific links in the reports for the applicable
tropical cyclones.
*************************************************************************
!!!!!!!!!! EXTRA FEATURE !!!!!!!!!!
HISTORY OF TROPICAL CYCLONE NAMES IN THE NORTHEAST PACIFIC
A. EASTERN NORTH PACIFIC
Tropical cyclones were unnamed in the Eastern North Pacific east
of 140W prior to 1960. In that year women's names were first used
to identify tropical storms and hurricanes. Four sets of names
in alphabetical order (Q, U, X, Y, and Z being excluded) were drafted,
and initially, the practice was to use all the names consecutively,
as was being done in the Western North Pacific.
The original four sets of names were:
Set 1 Set 2 Set 3 Set 4
----- ----- ----- -----
Annette Ava Adele Agatha
Bonny Bernice Blanca Bridget
Celeste Claudia Connie Carlotta
Diana Doreen Dolores Denise
Estelle Emily Eileen Eleanor
Fernanda Florence Francesca Francene
Gwen Glenda Gretchen Georgette
Hyacinth Hazel Helga Hilary
Iva Irah Ione Ilsa
Joanne Jennifer Joyce Jewel
Kathleen Katherine Kirsten Katrina
Liza Lillian Lorraine Lily
Madeline Mona Maggie Monica
Naomi Natalie Norma Nanette
Orla Odessa Orlene Olivia
Pauline Prudence Patricia Priscilla
Rebecca Roslyn Rosalie Ramona
Simone Sylvia Selma Sharon
Tara Tillie Toni Terry
Valerie Victoria Vivian Veronica
Willa Wallie Winona Winifred
Thus, in 1960 names from ANNETTE through HYACINTH were assigned;
the 1961 storms ranged from IVA to TARA; 1962 - from VALERIE through
DOREEN (in Set 2); 1963 - EMILY to MONA; and in 1964 only six tropical
cyclones were named, beginning with NATALIE and concluding with TILLIE.
In 1965, apparently shortly after the tropical storm season had
gotten underway, the decision was made to begin cycling the sets on
an annual rotation basis as was the practice in the Atlantic basin.
The first two tropical storms were named VICTORIA and WALLIE, but
instead of moving to Set 3 for the next storm, forecasters returned
to the top of Set 2 and named the remaining cyclones of that season
AVA through HAZEL. In 1966 the third set was used, and the sets were
then repeated every four years through the 1977 season. New sets of
names containing male and female names were initiated for the 1978
season and continue in use to the present day.
Very few names were ever retired from the old Eastern Pacific sets.
HAZEL was removed after its 1965 usage and replaced with HEATHER in the
list for 1969. After being used in 1966 and 1970, ADELE was removed
and replaced with ALETTA for 1974. In 1970 the eleventh storm was
named KRISTEN instead of KIRSTEN--whether this was unintentional or
deliberate I do not know--but in 1974 the original spelling KIRSTEN
was used once more.
During the twelve seasons from 1966 through 1977 when the sets were
being re-cycled annually and beginning with the letter 'A' each year,
the LAST storm named in each season was as follows:
Set 3: 1966 - Maggie 1970 - Selma 1974 - Rosalie
Set 4: 1967 - Ramona 1971 - Sharon 1975 - Priscilla
Set 1: 1968 - Tara 1972 - Liza 1976 - Naomi
Set 2: 1969 - Jennifer 1973 - Lillian 1977 - Heather
B. CENTRAL NORTH PACIFIC (HAWAIIAN REGION) CYCLONES
Tropical cyclones are infrequent in the Central North Pacific
(between 140W and the Dateline). Even with complete satellite coverage,
an average of only 1 to 2 per year are seen to develop in this region.
Usually, around 3 to 4 storms from the Eastern Pacific will move into
this region; and on very rare occasions, a visitor from the Western
Pacific will cross the Dateline moving eastward. In these cases, the
original name is retained in warnings issued by the Central Pacific
Hurricane Center in Honolulu. For cyclones forming in the Central
Pacific region, the history of naming has been as follows:
(1) Prior to 1957 - In a couple of cases, storms were given Hawaiian
names:
Hiki (1950), Kanoa (1957)
(2) Late 1957 through late 1970's - Storms forming in this region were
given names "borrowed" from the typhoon naming list:
1957 - Della **, Nina 1972 - June, Ruby **
1959 - Clara, Dot, Wanda 1974 - Olive
1967 - Sarah ** 1976 - Kate
1970 - Dot 1978 - Susan
** - storm moved west of Dateline to become typhoon or tropical
storm in the Western North Pacific
(Between 1959 and 1967, there were some tropical storms in this
region, but none were assigned names.)
(3) Beginning in 1979, Hawaiian names were re-instated for storms forming
in the Central North Pacific. Five sets of Hawaiian names, using
only the 12 letters of the Hawaiian alphabet, were drafted with the
intent being to cycle the sets on an annual rotation basis. However,
no tropical cyclones formed in this region during 1979, 1980 and
1981. In early 1982, the original lists were scrapped and four sets
consisting of shorter names were established. Also, the allocation
plan was changed to that of using all the names consecutively, such
as was being done in the Western North Pacific.
Since 1982, storms named by the Central Pacific Hurricane Center
have been:
1982 - Akoni, Ema, Hana, Iwa 1994 - Li **, Mele, Nona
1984 - Keli, Lala, Moke 1997 - Oliwa **, Paka **
1985 - Nele 2000 - Upana, Wene
1987 - Oka, Peke ** 2002 - Alika, Ele **, Huko **
1988 - Uleki **, Wila 2006 - Ioke **
1990 - Aka **
1992 - Ekeka **, Hali, Iniki
1993 - Keoni **
** - storm moved west of Dateline to become typhoon or tropical
storm in the Western North Pacific
Names of the destructive Hawaiian hurricanes IVA (1982) and INIKI
(1992) were retired and replaced with IO and IOLANA, respectively.
However, in 2007 the Central Pacific list of names was revised with
one-third of the names being replaced. Some of the names replaced
have already been used, others haven't. The name IO, which was
chosen to replace IWA, was removed and replaced with IONA.
Over the period 1982-2007, 28 names have been allocated, or an
average of 1.08 per year. At this rate, it will take about 44.5
years to cycle through the entire list once. However, if the period
1966-2007 (the era of complete satellite coverage) is considered,
there have been an average of 0.83 storms per year. At that rate
57.6 years would be required to make a complete cycle of the sets.
*************************************************************************
ACTIVITY BY BASINS
ATLANTIC (ATL) - North Atlantic Ocean, Caribbean Sea, Gulf of Mexico
Activity for November: 1 hurricane **
** - system formed in late October and was covered in the October summary
Atlantic Tropical Activity for November
---------------------------------------
No tropical cyclones formed in the Atlantic during the month of
November. As the month opened, Tropical Storm Noel was strengthening
as it moved northward through the western Bahamas. The cyclone reached
hurricane intensity on 2 November and accelerated north-northeastward,
transforming into a large, severe extratropical cyclone which maintained
hurricane-force winds until landfall in Nova Scotia. A report on Noel,
as well as links to online reports on the storm, may be found in Part 1
of the October summary.
During the period 5-10 November a non-tropical LOW south of the Azores
developed convection which persisted for several days. Intensity
estimates using the Hebert-Poteat technique ran as high as 45-50 kts on
9 November, but scatterometer data did not support winds that high. The
system never lost its baroclinic outer cloud envelope and is unlikely to
be added as an after-the-fact subtropical storm. (During real-time, this
LOW was identified as Invest 92L.)
There were a couple of well-organized tropical LOWs in the western
Caribbean during the month: one on 3-4 November (Invest 91L) and one
around 11 November (Invest 93L). However, neither was able to remain
over water long enough to consolidate into a tropical depression.
*************************************************************************
NORTHEAST PACIFIC (NEP) - North Pacific Ocean East of Longitude 180
Activity for November: No tropical cyclones
*************************************************************************
NORTHWEST PACIFIC (NWP) - North Pacific Ocean West of Longitude 180
Activity for November: 4 tropical depressions **
1 tropical storm
3 typhoons
** - two of these classified as tropical depressions by JMA only
NOTE!!! The Northwest Pacific basin will be covered in the second
installment of the November summary.
*************************************************************************
NORTH INDIAN OCEAN (NIO) - Bay of Bengal and Arabian Sea
Activity for November: 1 very intense cyclonic storm
North Indian Ocean Tropical Activity for November
-------------------------------------------------
As the month opened, weakening Tropical Cyclone 05A was moving west-
ward through the west-central Arabian Sea. The system continued to
slowly weaken until dissipation near the Somalian coast on the 4th. A
report on this cyclone may be found in Part 1 of the October summary.
The main event of the month in the North Indian Ocean was the very
intense Cyclonic Storm Sidr which slammed into Bangladesh with winds
estimated at 130 kts, resulting in much devastation and thousands of
fatalities, possibly reaching as high as 10,000. A detailed report
on Cyclone Sidr is available at the following URL:
http://en.wikipedia.org/wiki/Cyclone_Sidr>
*************************************************************************
SOUTHWEST INDIAN OCEAN (SWI) - South Indian Ocean West of Longitude 90E
Activity for November: 2 severe tropical storms **
** - one of these formed in the Australian Region and moved westward
across 90E
Sources of Information
----------------------
The primary sources of tracking and intensity information for
Southwest Indian Ocean tropical cyclones are the warnings issued by
the Tropical Cyclone Warning Centre on La Reunion Island, part of
Meteo France (MFR), and the Regional Specialised Meteorological Centre
for the basin. However, tropical cyclones in this region are named
by the Sub-regional Tropical Cyclone Advisory Centres in Mauritius and
Madagascar with longitude 55E being the demarcation line between their
respective areas of naming responsibility. The La Reunion centre only
advises these agencies regarding the intensity of tropical systems.
References to sustained winds imply a 10-minute averaging period unless
otherwise stated.
In the companion tropical cyclone tracks file, I occasionally
annotate positions from warnings issued by the Joint Typhoon Warning
Center (JTWC) of the U. S. Air Force and Navy, located at Pearl
Harbor, Hawaii, when they differ from MFR's coordinates by usually
40-50 nm or more. The JTWC warnings are also the source of the
1-minute average maximum sustained wind values included in the
tracks file. Additionally, information describing details of
satellite imagery and atmospheric circulation features included in
the narratives is often gleaned from the JTWC warnings.
Southwest Indian Ocean Tropical Activity for November
-----------------------------------------------------
Two severe tropical storms traversed Southern Hemisphere waters west
of longitude 90E during November. The first of these formed east of
90E in the Australian region and was named Tropical Cyclone Lee. After
crossing 90E it was renamed Severe Tropical Storm Ariel and remained in
the extreme eastern portion of the basin. A report on Lee-Ariel may be
found in the section of this summary covering the Southeast Indian Ocean/
Northwest Australia region. Around mid-month Severe Tropical Storm
Bongwe formed deep in the tropics east of Diego Garcia, moving initially
southward, then curving to the west-southwest. Bongwe came close to
reaching tropical cyclone (i.e., hurricane) intensity at one point. A
report on Bongwe follows.
SEVERE TROPICAL STORM BONGWE
(MFR-03 / TC-04S)
17 - 24 November
------------------------------------------------
Bongwe: name contributed by Malawi
Severe Tropical Storm Bongwe formed during the lifetime of Severe
Tropical Storm Lee-Ariel and followed a track which kept it far
removed from any populated islands. A satellite bulletin from SAB
placed a developing LLCC about 180 nm northeast of Diego Garcia at
2030 UTC 17 November. The system began to show signs of intensification
right away as it moved slowly southward. Six hours later SAB's Dvorak
rating was T2.5/2.5, and at 18/0600 UTC JTWC issued the first warning
on TC-04S. The 1-min avg MSW was estimated at 35 kts, and the center
was located about 250 nm east of Diego Garcia. MFR issued their first
warning on Tropical Disturbance 03 at 18/1200 UTC, and six hours later
upgraded it to a 30-kt tropical depression. The Meteorological Service
of Mauritius named the system Bongwe at 0600 UTC 19 November with the
MSW estimated at 40 kts. At the time of its upgrade the storm was
centered approximately 325 nm east-southeast of Diego Garcia. (JTWC was
concurrently estimating a 1-min avg MSW of 55 kts, and on their next
advisory at 19/1800 UTC upgraded Bongwe briefly to minimal hurricane
status.) During this time Bongwe was drifting southward and reached an
initial peak intensity of 55 kts at 0000 UTC on the 20th. Thereafter,
shear increased and the storm began to weaken as it turned to more of a
west-southwesterly track.
Bongwe's intensity had dropped to 40 kts by 21/0000 UTC, but twelve
hours later the system begin to re-intensify, reaching a peak intensity
of 60 kts at 22/0600 UTC while located about 425 nm south-southwest of
Diego Garcia. Interestingly, JTWC's peak 1-min avg MSW for this second
round of intensification was only 55 kts. However, after peaking in
intensity, Bongwe began to weaken fairly rapidly, weakening to tropical
depression status at 1800 UTC on the 23rd. JTWC issued their final
warning on TC-04S at this time, and MFR issued their final bulletin
on ex-Bongwe at 24/1200 UTC, placing the 25-kt center approximately
425 nm north-northeast of Rodrigues Island.
There are no known casualties or damage resulting from Severe Tropical
Storm Bongwe.
(Report written by Gary Padgett)
*************************************************************************
NORTHWEST AUSTRALIA/SOUTHEAST INDIAN OCEAN (AUW) - From 90E to 135E
Activity for November: 1 tropical cyclone **
** - system moved westward across 90E into the Southwest Indian Ocean
basin
Sources of Information
----------------------
The primary sources of tracking and intensity information for
Northwest Australia/Southeast Indian Ocean tropical cyclones are
the warnings and advices issued by the Tropical Cyclone Warning
Centres at Perth, Western Australia, and Darwin, Northern Territory.
References to sustained winds imply a 10-minute averaging period
unless otherwise stated.
In the companion tropical cyclone tracks file, I occasionally
annotate positions from warnings issued by the Joint Typhoon Warning
Center (JTWC) of the U. S. Air Force and Navy, located at Pearl
Harbor, Hawaii, when they differ from the Australian centres' coor-
dinates by usually 40-50 nm or more. The JTWC warnings are also the
source of the 1-minute average maximum sustained wind values included
in the tracks file. Additionally, information describing details of
satellite imagery and atmospheric circulation features included in
the narratives is often gleaned from the JTWC warnings.
Northwest Australia/Southeast Indian Ocean
Tropical Activity for November
------------------------------------------
One tropical cyclone formed in waters between 90E and 135E during the
month of November. The system was christened Tropical Cyclone Lee by
BoM Perth, but soon moved westward into the Southwest Indian Ocean basin
where it was renamed Ariel by Mauritius. A report on Tropical Cyclone
Lee-Ariel follows.
TROPICAL CYCLONE/SEVERE TROPICAL STORM LEE-ARIEL
(TC-03S / MFR-02)
13 - 22 November
--------------------------------------------------------------------
The Perth TCWC began issuing warnings on a developing tropical LOW
on 13 November located about 500 nm northwest of the Cocos Islands. The
system was well within Jakarta's AOR, but that warning agency had not
quite gotten ready to issue warnings on tropical cyclones. The system
drifted generally southward as it slowly strengthened, and Perth upgraded
it to Tropical Cyclone Lee at 14/1200 UTC, locating the center roughly
400 nm northwest of the Cocos Islands. JTWC issued their first warning
on TC-03S six hours later. Lee initially intensified rather rapidly,
becoming a 50-kt Category 2 cyclone (Australian scale) by 15/0000 UTC.
The cyclone at this time was located just inside the Australian AOR,
moving steadily south-southwestward. By 1200 UTC the storm had crossed
90E and was renamed Ariel by the Meteorological Service of Mauritius.
(While east of 90E, the system was known as Tropical Cyclone Lee, as
any system with central 10-min avg winds exceeding 34 kts is classified
as a tropical cyclone. However, in the Southwest Indian basin, a
tropical system is not classified as a tropical cyclone until winds
reach hurricane force, i.e., 64 kts. Hence, the double classification
in the title line above.)
Shortly after entering the Southwest Indian basin at a point about
450 nm west of the Cocos Islands, Severe Tropical Storm Lee-Ariel's
forward motion slowed considerably, and the system commenced a slow
westward drift. The intensity remained at its 50-kt peak for about
two days, then began to weaken rapidly as the environment became very
unfavorable. (JTWC's peak 1-min avg MSW for Lee-Ariel was 65 kts at
15/1800 and 16/0600 UTC.) MFR still estimated the intensity at 50 kts
at 16/1800 UTC--twelve hours later Ariel was downgraded to a tropical
depression located about 575 nm west of the Cocos Islands. After
weakening ex-Ariel recurved to the southeast. Both MFR and JTWC issued
their final warnings on the system at 18/1800 UTC. The remnants of
Lee-Ariel turned to the east-northeast and continued to produce
occasional flare-ups of deep convection. The system moved back into
Perth's AOR on the 20th, and the STWO issued by that agency on
22 November indicated a moderate potential for regeneration, but this
was reduced to 'low' the next day. The remnant LOW remained quasi-
stationary about 300 nm south-southwest of the Cocos Islands through
the 25th as it slowly filled.
No damage or casualties are known to have resulted from Tropical
Cyclone Lee-Ariel.
(Report written by Gary Padgett)
*************************************************************************
NORTHEAST AUSTRALIA/CORAL SEA (AUE) - From 135E to 160E
Activity for November: 1 severe tropical cyclone
Northeast Australia/Coral Sea
Tropical Activity for November
------------------------------
One tropical cyclone formed in waters between 135E and 160E during the
month of November. The system formed just south of Papua New Guinea and
was named Guba by the Port Moresby TCWC. Guba was the first tropical
cyclone to be named by that agency since Tropical Cyclone Epi in June,
2003, and was the first cyclone in the Coral Sea during the month of
November since 1977. While the storm remained at sea, related torrential
rains led to at least 170 deaths in Papua New Guinea. A detailed report
on Severe Tropical Cyclone Guba is available at the following URL:
http://en.wikipedia.org/wiki/Cyclone_Guba>
*************************************************************************
SOUTH PACIFIC (SPA) - South Pacific Ocean East of Longitude 160E
Activity for November: 2 tropical depressions
South Pacific Tropical Activity for November
--------------------------------------------
Two systems were classified as tropical depression by RSMC Nadi during
November. The first, Tropical Depression 02F, was weak and short-lived.
TD-02F formed west of the Dateline on the 20th, but did not develop any
further. Convection was disorganized, shear was high, and SSTs were on
the cool side. The last bulletin on TD-02F was issued on 22 November, and
no track was included for this system in the companion cyclone tracks file.
Tropical Depression 03F was a long-lived and, most of the time, rather
nebulous system which drifted across much of the South Pacific. The
system was first classified on 24 November just west of Vanuatu. Over
the next couple of days it drifted generally eastward. Dvorak ratings
from CPHC and Brisbane reached T2.0/2.0 on the 24th and 25th, but JTWC's
peak for this phase was T1.5/1.5. The depression subsequently weakened
as it drifted eastward, and the center was significantly relocated from
15.0S/179.5E at 29/0600 UTC (just northeast of Fiji) to 17.0S/173.0W at
29/1800 UTC (well south-southwest of Samoa). Likely a new LLCC had
formed and become the dominant center. TD-03F continued to drift east-
ward through 1 December before accelerating off to the southeast. JTWC's
Dvorak rating reached T2.5/2.5 at 1730 UTC on 1 December, and SAB�s had
reached T2.5/2.5 by 01/0822 UTC and peaked at T3.0/3.0 that same day.
So, based on a 1-min avg MSW, this system was quite possibly a minimal
tropical storm on the 1st and 2nd of December. No warnings were issued
for this system by JTWC. Fiji issued its last warning at 02/2100 UTC
with the center near 21.5S/153.0W. The center had become exposed and
the system was encountering cool, dry inflow.
NOTE: The information on TD-02F was taken from the Wikipedia website.
The information on TD-03F was taken from the track I had prepared for the
companion cyclone tracks file, which of course was based on the warnings
issued by RSMC Nadi as well as satellite fix bulletins from the various
agencies. I lost all the warnings I had saved when my computer�s hard
drive crashed in mid-May.
*************************************************************************
SPECIAL FEATURE - SOURCES OF TROPICAL CYCLONE INFORMATION
The purpose of this section is to list some websites where many and
varied types of tropical cyclone information are archived. Many readers
will know about these already, but for the benefit of those who don't,
I wanted to include them.
(1) Aircraft Reconnaissance Information
---------------------------------------
Various types of messages from reconnaissance aircraft may be
retrieved from the following FTP site:
ftp://ftp.nhc.noaa.gov/pub/products/nhc/recon/>
Information regarding how to interpret the coded reconnaissance
messages may be found at the following URL:
http://www.nhc.noaa.gov/reconlist.shtml>
Links are also included to websites with further information about the
U. S. Air Force 53rd Weather Reconnaissance Squadron and the NOAA Air-
craft Operations Center.
(2) Archived Advisories
-----------------------
All the advisory products (public advisories, forecast/advisories,
strike probabilities, discussions, various graphics) issued by TPC/NHC
are archived on TPC's website. For the current year (using 2004 as an
example), the archived products can be found at:
http://www.nhc.noaa.gov/archive/2004/index.shtml>
Links to tropical products archives for earlier years are available at
the following URL:
http://www.nhc.noaa.gov/pastall.shtml>
JTWC warnings for past storms are archived on the NRL Monterrey website:
http://www.nrlmry.navy.mil/tc_pages/tc_home.html>
On the NRL site, the link to past years can be found in the upper left
corner of the screen.
I am not aware at the moment of any other TCWC which archives all
its tropical cyclone warning/advisory products for public access, but
if I learn of any, I will add them to this list.
(3) Satellite Imagery
---------------------
Satellite images of tropical cyclones in various sensor bands are
available on the NRL Monterrey and University of Wisconsin websites,
courtesy of Jeff Hawkins and Chris Velden and their associates. The
links are:
http://www.nrlmry.navy.mil/tc_pages/tc_home.html>
http://cimss.ssec.wisc.edu/tropic/tropic.html>
On the NRL site, the link to past years can be found in the upper left
corner of the screen. For the CIMSS site, a link to data archives is
located in the lower left portion of the screen.
Additional tropical satellite imagery, along with looping ability for
composite microwave imagery for the Western Hemisphere north of the
equator, can be found at:
(1) For the Eastern North Pacific:
http://www.ssd.noaa.gov/PS/TROP/trop-epac.html>
(2) For the Atlantic, Gulf of Mexico and Caribbean Sea:
http://www.ssd.noaa.gov/PS/TROP/trop-atl.html>
(4) Cyclone Tracking Information
--------------------------------
There is a U. S. Navy site that tracks tropical cyclones at 6-hourly
intervals which often includes pre and post-advisory positions. The
link to the site is:
http://www.nrlmry.navy.mil/atcf_web/doc_archives/>
Steve Young has compiled many of these tracks onto a single webpage
which is very user-friendly:
http://home.earthlink.net/~shy9/tc1.htm>
I'm sure there are other sites with available imagery available, and
as I learn of them, I will add the links to this list.
*************************************************************************
EXTRA FEATURE
In order to shorten the amount of typing in preparing the narrative
material, I have been in the habit of freely using abbreviations and
acronyms. I have tried to define most of these with the first usage
in a given summary, but I may have missed one now and then. Most of
these are probably understood by a majority of readers but perhaps a
few aren't clear to some. To remedy this I developed a Glossary of
Abbreviations and Acronyms which I first included in the August, 1998
summary. I don't normally include the Glossary in most months in
order to help keep them from being too long. If anyone would like to
receive a copy of the Glossary, please e-mail me and I'll be happy
to send them a copy.
*************************************************************************
AUTHOR'S NOTE: This summary should be considered a very preliminary
overview of the tropical cyclones that occur in each month. The cyclone
tracks (provided separately) will generally be based upon operational
warnings issued by the various tropical cyclone warning centers. The
information contained therein may differ somewhat from the tracking and
intensity information obtained from a "best-track" file which is based
on a detailed post-seasonal analysis of all available data. Information
on where to find official "best-track" files from the various warning
centers will be passed along from time to time.
The track files are not being sent via e-mail. They can be retrieved
from the archive sites listed below. (Note: I do have a limited e-mail
distribution list for the track files. If anyone wishes to receive
these via e-mail, please send me a message.)
Both the summaries and the track files are standard text files
created in DOS editor. Download to disk and use a viewer such as
Notepad or DOS editor to view the files.
The first summary in this series covered the month of October,
1997. Back issues can be obtained from the following websites
(courtesy of Michael Bath, Michael V. Padua, Michael Pitt, and
Chris Landsea):
http://australiasevereweather.com/cyclones/>
http://www.typhoon2000.ph>
http://mpittweather.com>
ftp://ftp.aoml.noaa.gov/hrd/pub/landsea/padgett/>
Another website where much information about tropical cyclones may
be found is the website for the UK Meteorological Office. Their site
contains a lot of statistical information about tropical cyclones
globally on a monthly basis. The URL is:
http://www.metoffice.gov.uk/weather/tropicalcyclone>
TROPICAL CYCLONE REPORTS AVAILABLE
JTWC now has available on its website the Annual Tropical Cyclone
Report (ATCR) for 2006 (2005-2006 season for the Southern Hemisphere).
ATCRs for earlier years are available also.
The URL is: http://metocph.nmci.navy.mil/jtwc.php>
Also, TPC/NHC has available on its webpage nice "technicolor"
tracking charts for the 2007 Atlantic and Eastern North Pacific
tropical cyclones; also, storm reports for all the 2007 Atlantic
and Eastern North Pacific cyclones are now available, as well as
track charts and reports on storms from earlier years.
The URL is: http://www.nhc.noaa.gov>
A special thanks to Michael Bath of McLeans Ridges, New South Wales,
Australia, for assisting me with proofreading the summaries.
PREPARED BY
Gary Padgett
E-mail: [email protected]
Phone: 334-222-5327
Kevin Boyle (Northwest Pacific)
E-mail: [email protected]
Simon Clarke (Northeast Australia/Coral Sea, South Pacific)
E-mail: [email protected]
*************************************************************************
*************************************************************************
|
Document: summ0711.htm
Updated: 13th July 2008 |
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