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Monthly Tropical Cyclone Tracks April 2010
[Summaries and Track Data] [Prepared by Gary Padgett]

 
               GLOBAL TROPICAL CYCLONE TRACKS - APRIL 2010

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

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

        ******************** EXTRA FEATURE ********************
        
         QUARTERLY REVIEW OF GLOBAL TROPICAL CYCLONE ACTIVITY

                         JANUARY - MARCH, 2010

    
     Ever since I began issuing the monthly tropical cyclone tracks files
  and the former tropical cyclone summaries in late 1997, I have issued
  annual reviews of all tropical systems which I had tracked, one for
  each hemisphere's respective tropical cyclone year.  I plan to start
  including similar reviews for each three-month period as an addendum
  to the cyclone tracks file.   For a full explanation of all the
  parameters included, see the most recent yearly reviews:

  http://www.australiasevereweather.com/cyclones/2010/summ2009.htm>

  http://www.australiasevereweather.com/cyclones/2009/summ2008-2009.htm>

  (A number in parentheses indicates a note following the table for that
  basin's section.  Also, note that the systems referenced here include
  only those for which tracks were included in the monthly cyclone tracks
  file.)

                ********** NORTHERN HEMISPHERE **********

                             ATLANTIC BASIN

 NUM  NAME          DATES           CENT PRS   MSW               BASIN
                                      (mb)    (kts)
 ------------------------------------------------------------------------

 --   -----         30 Jan-04 Feb      991      --                ATL (1)

 NOTES:

 (1) This system was a non-tropical LOW which exhibited some features of
     a subtropical cyclone.  While exhibiting some well-organized
     convection at one point, it also appeared to be connected to a
     frontal boundary and is not likely to be added to the "best tracks"
     file as a subtropical storm.  (The track for this system can be
     found in the March tracks file.)

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

                          NORTHWEST PACFICIC BASIN

 JTWC    NAME(S)      JMA     DATES         CENT    MSW   MSW    BASIN
 NUM                TROP STM                PRS    1-MIN 10-MIN
                      NUM                   (mb)   (kts) (kts)
 ------------------------------------------------------------------------

 01W  -----           ----  18-20 Jan       1006     30    25     NWP
 02W  Omais/Agaton    1001  21-27 Mar        998     50    35     NWP

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

                ********** SOUTHERN HEMISPHERE **********

                          SOUTHWEST INDIAN OCEAN

 JTWC    NAME                DATES          CENT    MSW   MSW    BASIN
 NUM                                        PRS   1-MIN 10-MIN
                                            (mb)   (kts) (kts)
 ------------------------------------------------------------------------

 ---  (MFR-09)              15 Jan          1005     --    25    SWI
 11S  (MFR-10)              26-30 Jan        995     35    35    SWI (1)
 13S  Fami                  01-03 Feb        994     40    40    SWI
 16S  Gelane                15-21 Feb        930    125   110    SWI
 18S  Hubert                09-11 Mar        987     35    55    SWI
 21S  Imani                 21-26 Mar        965     70    70    SWI

 NOTES:

 (1) System was classified as a "subtropical depression".

 (2) The major SWI system of January was Tropical Cyclone Edzani, which
     began in the Australian Region.  For information on this very
     intense cyclone, see the section below.

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

                NORTHWEST AUSTRALIA / SOUTHEAST INDIAN OCEAN

 JTWC    NAME                DATES          CENT    MSW   MSW    BASIN
 NUM                                        PRS   1-MIN 10-MIN
                                            (mb)   (kts) (kts)
 ------------------------------------------------------------------------

 ---  (02U)                 02-04 Jan        995     --    25    AUW
 07S  Edzani (1)            02-17 Jan        905    135   120    AUW/SWI
 08S  Magda                 19-22 Jan        980     60    60    AUW

 NOTES:

 (1) Edzani began in Perth's AOR where it was numbered as Tropical LOW
     03U.  It was named by the Meteorological Service of Mauritius and
     reached its greatest intensity in the SWI basin.

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

                      NORTHEAST AUSTRALIA / CORAL SEA

 JTWC    NAME                DATES          CENT    MSW   MSW    BASIN
 NUM                                        PRS   1-MIN 10-MIN
                                            (mb)   (kts) (kts)
 ------------------------------------------------------------------------

 ---  Neville               15-22 Jan        994     --    35    AUE
 09P  Olga                  22-30 Jan        983     50    55    AUE
 22P  Paul                  26 Mar-01 Apr    982     60    55    AUE 

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

                            SOUTH PACIFIC OCEAN

 JTWC    NAME                DATES          CENT    MSW   MSW    BASIN
 NUM                                        PRS   1-MIN 10-MIN
                                            (mb)   (kts) (kts)
 ------------------------------------------------------------------------

 ---  (05F)                 25-28 Jan       999      --    25    SPA
 10P  Nisha                 27-30 Jan       990      50    40    SPA
 12P  Oli                   29 Jan-08 Feb   925     115   100    SPA
 ---  (08F)                 02-04 Feb       997      --    30    SPA
 14P  Pat                   06-11 Feb       960      90    75    SPA
 15P  Rene                  09-19 Feb       940     100    90    SPA
 17P  Sarah                 20 Feb-04 Mar   995      35    35    SPA
 19P  Tomas                 09-18 Mar       930     115    95    SPA
 20P  Ului                  09-20 Mar       925     140   115    SPA/AUE
 ---  (15F)                 29 Mar-04 Apr  1003      --    30    SPA (1)

 NOTES:

 (1) Some peripheral gales were associated with this system.

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

                            SOUTH ATLANTIC OCEAN

 JTWC    NAME                DATES          CENT    MSW   MSW    BASIN
 NUM                                        PRS   1-MIN 10-MIN
                                            (mb)   (kts) (kts)
 ------------------------------------------------------------------------

 ---  Anita                 08-12 Mar      1000      45    --    SAT (1)

 NOTES:

 (1) The name Anita was assigned to this system by several regional 
     weather centers and private weather enterprises of the Brazilian 
     states of Rio Grande do Sul and Santa Catarina.   NRL assgined an 
     invest number of 90Q during the time the system was active.

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

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.

     Following is the link to the Wikipedia page for the 2009-2010
  Australian Region Cyclone Season:

  http://en.wikipedia.org/wiki/2009-10_Australian_region_cyclone_season>


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

   Tropical Cyclone ROBYN (12U / 23S)                  02 - 11 Apr
   Tropical Cyclone SEAN (13U / 24S)                   21 - 28 Apr

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

Storm Name: ROBYN                 Cyclone Number: 23S     Basin: AUW
Australian Tropical Low: 12U      (Name assigned by Perth TCWC)

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

10 APR 02 0600  11.0 S   92.3 E  1000   35    30  
10 APR 02 1200  11.6 S   92.3 E  1000         30
10 APR 02 1800  12.2 S   92.3 E  1000   40    30  JTWC: 12.7S/92.4E
10 APR 03 0000  12.9 S   92.2 E   995         40
10 APR 03 0600  13.4 S   92.1 E   995   55    40  JTWC: 13.0S/92.2E
10 APR 03 1200  13.8 S   92.0 E   990         45
10 APR 03 1800  14.2 S   91.9 E   990   50    45  JTWC: 14.0S/92.5E
10 APR 04 0000  14.2 S   92.4 E   990         45  Relocated
10 APR 04 0600  14.5 S   92.3 E   986   50    50  JTWC: 15.2S/92.1E
10 APR 04 1200  14.8 S   91.8 E   980         60
10 APR 04 1800  15.2 S   91.6 E   980   60    60  JTWC: 15.4S/91.0E
10 APR 05 0000  15.6 S   91.4 E   976         65
10 APR 05 0600  16.0 S   91.6 E   976   60    65  JTWC: 16.1S/92.0E
10 APR 05 1200  16.2 S   91.8 E   976         65
10 APR 05 1800  16.1 S   92.2 E   985   45    50
10 APR 06 0000  16.0 S   92.1 E   992         40
10 APR 06 0600  15.5 S   91.8 E   995   35    35  Ex-TC/Final TC warnings
10 APR 06 1800  15.2 S   90.8 E   995         35  Peripheral gales
10 APR 07 0000  15.6 S   90.6 E   995         35        "
10 APR 07 0600  16.0 S   90.2 E  1000         33  Final Perth warning
10 APR 07 1200  16.2 S   89.6 E  1002         25  Locally 30 kts S semi.
10 APR 07 1800	16.5 S	 89.0 E	 1000	30	  NRL data		
10 APR 08 0000	16.0 S	 87.6 E	 1000	30			
10 APR 08 0600	16.1 S	 87.1 E	 1000	30			
10 APR 08 1200	16.4 S	 85.8 E	 1000	30			
10 APR 08 1800	16.5 S	 84.9 E	 1000	30			
10 APR 09 0000	16.4 S	 83.3 E	 1000	30			
10 APR 09 0600	15.9 S	 81.7 E	 1000	30			
10 APR 09 1200	15.6 S	 80.7 E	 1004	25			
10 APR 09 1800	16.2 S	 80.0 E	 1004	25			
10 APR 10 0000	17.1 S	 79.3 E	 1004	25			
10 APR 10 0600	18.7 S	 79.2 E	 1004	25			
10 APR 10 1200	16.6 S	 79.5 E	 1004	25			
10 APR 10 1800	17.0 S	 78.9 E	 1004	25			
10 APR 11 0000	17.6 S	 78.1 E	 1004	25			
10 APR 11 0600	18.3 S	 77.4 E	 1004	25			
10 APR 11 1200  19.4 S 	 76.2 E	 1004	25			
10 APR 11 1800	19.3 S	 75.3 E	 1004	25

Note: The final warning at 07/1200 UTC was the only issuance on this
system by MFR La Reunion.  For accounting purposes the ex-Robyn system
was numbered as Tropical Disturbance 15, and classified as a 'filling
depression'.

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

Storm Name: SEAN                  Cyclone Number: 24S     Basin: AUW
Australian Tropical Low: 13U      (Name assigned by Perth TCWC)

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

10 APR 21 0530  10.1 S  116.0 E         25        JTWC satellite bulletin
10 APR 21 1200  10.3 S  116.4 E  1006   25    25
10 APR 21 1800  10.6 S  116.0 E  1005   25    25
10 APR 22 0000  11.7 S  116.0 E  1004   30    25
10 APR 22 0600  12.4 S  115.7 E  1004   30    25  First JTWC warning
10 APR 22 1200  12.8 S  115.4 E  1003   35    30
10 APR 22 1800  13.2 S  115.1 E  1003         30
10 APR 23 0000  13.6 S  114.0 E   995   45    45
10 APR 23 0600  14.0 S  114.0 E   990         50
10 APR 23 1200  14.4 S  113.7 E   990   45    50
10 APR 23 1800  14.9 S  113.4 E   987         55
10 APR 24 0000  15.5 S  113.0 E   988   55    55  JTWC: 16.1S/113.1E
10 APR 24 0600  15.9 S  112.6 E   988         55
10 APR 24 1200  17.1 S  112.5 E   990   50    50
10 APR 24 1800  17.8 S  112.3 E   990         50
10 APR 25 0000  17.5 S  111.3 E   996   35    40  Final JTWC warning
10 APR 25 0600  18.1 S  110.5 E  1000         30  Final Perth warning
10 APR 25 1200	18.5 S	109.9 E	  998	30        NRL data		
10 APR 25 1800	18.4 S	108.7 E	 1004	25			
10 APR 26 0000	18.3 S	107.3 E	 1004	25			
10 APR 26 0600	18.1 S	105.5 E	 1004	25			
10 APR 26 1200	18.4 S	103.3 E	 1004	25			
10 APR 26 1800	18.7 S	101.1 E	 1004	25
10 APR 27 0000	18.9 S	 99.1 E	 1004	25
10 APR 27 0600	18.9 S	 97.6 E	 1004	25
10 APR 27 1200	19.0 S	 95.8 E	 1004	25
10 APR 27 1800	19.1 S	 94.5 E	 1004	25
10 APR 28 0000	19.1 S	 93.0 E	 1004	25
10 APR 28 0600	18.9 S	 92.1 E	 1004	25
10 APR 28 1200	18.2 S	 90.9 E	 1004	25
10 APR 28 1800	17.5 S	 89.9 E	 1007	20

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

                   ********** SPECIAL NOTE **********

     I now have some assistants who are helping to prepare the monthly
  tropical cyclone files, and I'd like to thank them for their willing-
  ness to assist me.  Kevin Boyle, of Stoke-on-Trent, UK, will be 
  preparing the tracks for Northwest Pacific basin tropical cyclones 
  during the most active part of the NWP season from July through 
  December. 

     Michael Bath, of McLeans Ridges, New South Wales, Australia, is now
  preparing the track files for Australian Region and South Pacific
  tropical cyclones.  Also, Steve Young sends me tracks with data for 
  the pre-warning and post-warning stages of tropical cyclones in all 
  basins, prepared primarily from NCEP re-analysis data or else taken
  from NRL files.

     A very special thanks is due to Kevin, Michael and Steve for their
  assistance.

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

                   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>

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

              !!!!!!  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:

     http://www.usno.navy.mil/JTWC>


  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>


  PREPARED BY:

  Gary Padgett              [email protected]
  Kevin Boyle               [email protected]
  Michael Bath              [email protected]


  SIGNIFICANT CONTRIBUTIONS BY:

  Michael V. Padua          [email protected] 
                            [email protected]
  Steve Young               [email protected]

*************************************************************************
*************************************************************************
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Document: trak1004.htm
Updated: 5 May 2010

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