Tropical Cyclones [Index]

Southern Hemisphere 2006-2007 Tropical Cyclone Season Review [Summaries and Track Data] [Prepared by Gary Padgett]

              A REVIEW OF THE 2006-2007 TROPICAL CYCLONE SEASON

                         FOR THE SOUTHERN HEMISPHERE

     Following is a tabular summary of all the tropical depressions
  and tropical cyclones which occurred in the Southern Hemisphere
  between 1 July 2006 and 30 June 2007 as reported in the Monthly
  Global Tropical Cyclone Summaries prepared by the author.

    (1) Number - this is the sequential cyclone number assigned by JTWC
        in Hawaii.

    (2) Name - the name (if any) assigned by the responsible Tropical
        Cyclone Warning Centre.  For systems in the South Indian Ocean
        west of 90E and in the Southwest Pacific east of 160E which were
        unnamed, the alphanumeric designator applied by La Reunion or
        Fiji, respectively, is given in this column.

    (3) Dates - range of dates for which tracking information for the 
        cyclone is available in the Global Tropical Cyclone Tracks files
        prepared by the author.  The dates given in most cases refer to
        the time the system was in warning status and generally do not
        include the pre-depression stages of the disturbance.

    (4) Pressure - Lowest central pressure (either estimated or recorded)
        during the lifetime of the cyclone.  An asterisk (*) following
        the pressure indicates the reading was an actual measured
        pressure.   Central pressure is given in millibars, which is
        numerically equivalent to hectopascals.

    (5) MSW 1-min avg - maximum 1-minute average sustained windspeed in 
        knots as assigned by JTWC.  An asterisk (*) following the MSW
        indicates that it was an actual measured value.

    (6) MSW 10-min avg - maximum 10-minute average sustained windspeed
        in knots as assigned by the responsible Tropical Cyclone Warning
        Centre.  An asterisk (*) following the MSW indicates that it was
        an actual measured value.

    (7) Basins - tropical cyclone basins where the cyclone tracked during
        its life:

        SWI - Southwest Indian Ocean - West of 90E
        AUW - Northwest Australia/Southeast Indian Ocean - 90E to 135E
        AUE - Northeast Australia/Coral Sea - 135E to 160E
        SPA - South Pacific Ocean - East of 160E
        SAT - South Atlantic Ocean

     A number in parentheses (e.g. (1) ) following an entry refers to
  a note following the entries for the given basin.   A separate table
  is given for each of the four Southern Hemisphere basins.

     Abbreviations for Tropical Cyclone Warning Centres:

  JTWC -    Joint Typhoon Warning Center, formerly on Guam, now at
            Pearl Harbor, Hawaii
  MFR -     Meteo France Reunion (RSMC La Reunion)
  RSMC -    Regional Specialised Meteorological Centre

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                           SOUTHWEST INDIAN OCEAN

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

 ---  (MFR-01)              18-23 Oct       1002     30    25    SWI
 03S  Anita                 26 Nov-03 Dec    994     45    35    SWI
 05S  Bondo                 17-26 Dec        915    135   110    SWI
 ---  (MFR-04)              25-28 Dec       1000     --    25    SWI
 06S  Clovis                29 Dec-04 Jan    975     65    60    SWI
 ---  (MFR-06)              06-08 Jan        999     30    25    SWI
 10S  Dora                  28 Jan-12 Feb    930    115   100    SWI
 13S  Enok                  06-11 Feb        980     55    60    SWI
 14S  Favio                 12-23 Feb        930    125   100    SWI
 15S  Gamede                20 Feb-04 Mar    935    105    95    SWI
 16S  Humba                 20-28 Feb        960     70    75    SWI/AUW
 19S  Indlala               10-17 Mar        935    115    95    SWI
 ---  (MFR-13)              13-17 Mar       1000     30    25    SWI
 ---  -----                 20-21 Mar        ---     35    --    SWI (1)
 22S  Jaya                  29 Mar-08 Apr    930    110   105    SWI
 ---  (MFR-15)              09-12 Apr        998     --    45    SWI (2)

 NOTES:

 (1) System was a possible subtropical storm.  The tracking information
     was taken completely from SAB satellite fix bulletins.  That agency
     designated the system as Invest 99S.  No TCWC issued warnings on the
     system.

 (2) This system was classified as a subtropical storm by MFR.

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                NORTHWEST AUSTRALIA / SOUTHEAST INDIAN OCEAN

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

 07S  Isobel                31 Dec-03 Jan    982     40    45     AUW (1)
 17S  George                26 Feb-10 Mar    910    110   105     AUW/AUE
 18S  Jacob                 05-12 Mar        954     75    75     AUW
 20S  Kara                  24-28 Mar        942    105   105     AUW (2)

 NOTES:

 (1) In post-storm analysis, it was determined that Isobel had never
     completely satisfied the criteria for a tropical cyclone.  By the
     definition used by the BoM warning centres, a system has to have
     gales wrapped around more than 50% of the center for at least six
     hours to qualify as a tropical cyclone.

 (2) Operationally, the highest 10-min avg MSW assigned to Kara by BoM
     Perth was 85 kts.  This was upped to 105 kts during a post-storm
     review.

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                      NORTHEAST AUSTRALIA / CORAL SEA

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

 12P  Nelson                31 Jan-07 Feb    980     45    55     AUE
 ---  -----                 05-08 Feb        995     --    45     AUE (1)
 ---  Odette                26 Feb-07 Mar    990     --    35     AUE
 24P  Pierre                16-21 May        992     35    40     AUE

 NOTES:

 (1) System was not a tropical cyclone, but rather a monsoon depression.

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                             SOUTH PACIFIC OCEAN

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

 01P  Xavier                20-28 Oct       930     115    95     SPA
 02P  Yani                  17-27 Nov       960      65    75     SPA/AUE
 04P  (05F)                 29 Nov-04 Dec   997      35    30     SPA
 ---  (06F)                 09-17 Jan      1000      --    30     SPA (1)
 08P  Zita                  17-26 Jan       975      60    60     SPA
 09P  Arthur                21-28 Jan       975      65    60     SPA
 11P  (09F)                 01-05 Feb       997      35    30     SPA
 ---  (12F)                 21-26 Mar       998      30    30     SPA
 21P  Becky                 25-31 Mar       975      70    60     SPA/AUE
 23P  Cliff                 03-06 Apr       980      55    50     SPA

 NOTES:

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

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 Prepared by Gary Padgett
 E-mail: [email protected]
 Home Phone: 334-222-5327