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Northern Hemisphere 2011 Tropical Cyclone Season Review
[Summaries and Track Data] [Prepared by Steve Young]

              A REVIEW OF THE 2011 TROPICAL CYCLONE SEASON

                         FOR THE NORTHERN HEMISPHERE


     Following is a tabular summary of all the tropical depressions,
  tropical storms, hurricanes, and typhoons which occurred in the
  Northern Hemisphere between 1 January and 31 December 2011, as
  reported in the Monthly Global Tropical Cyclone Summaries.



  ***********************************************************************
                               MEDITERREAN

 NUM  NAME          DATES           CENT PRS   MSW               BASIN
                                      (mb)    (kts)
 ------------------------------------------------------------------------
 01M  ----          OCT 07 - OCT 09   ---      45


=========================================================================
                               ATLANTIC BASIN

 NUM  NAME          DATES           CENT PRS   MSW               BASIN
                                      (mb)    (kts)
 ------------------------------------------------------------------------
 ---  ----          MAR 04 - MAR 12   1000      30               ALT (1)
 ---  ----          APR 20 - APR 24   1010      35               ATL (1)
 01L  ARLENE        JUN 29 - JUL 01    996      55               ATL
 02L  BRET          JUL 15 - JUL 23    998      55               ATL
 03L  CINDY         JUL 18 - JUL 23   1000      50               ATL
 04L  DON           JUL 21 - JUL 30    998      45               ATL
 05L  EMILY         JUL 26 - AUG 10   1004      45               ATL
 08L  HARVEY        AUG 09 - AUG 22    994      50               ATL
 07L  GERT          AUG 11 - AUG 17   1000      50               ATL
 06L  FRANKLIN      AUG 11 - AUG 15   1004      40               ATL
 09L  IRENE         AUG 17 - AUG 29    942     105               ATL
 10L  DEPRESSION 10 AUG 22 - AUG 27   1007      30               ATL
 11L  JOSE          AUG 25 - AUG 29   1007      40               ATL
 12L  KATIA         AUG 27 - SEP 10    946     115               ATL
 13L  LEE           AUG 31 - SEP 07    986      50               ATL
 14L  MARIA         SEP 04 - SEP 17    979      75               ATL
 15L  NATE          SEP 05 - SEP 12    994      60               ATL
 16L  OPHELIA       SEP 17 - OCT 03    940     120               ATL
 17L  PHILIPPE      SEP 22 - OCT 08    976      80               ATL
 18L  RINA          OCT 20 - OCT 28    966      95               ATL
 19L  SEAN          NOV 05 - NOV 12    983      55               ATL

  

 NOTES:
(1) System was a non-tropical low or possibly a subtropical system


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                          NORTHEAST / CENTRAL PACFICIC BASIN

 NUM  NAME          DATES           CENT PRS   MSW               BASIN
                                      (mb)    (kts)
 ------------------------------------------------------------------------
 01E  ADRIAN        JUN 04 - JUN 13   946      120               NEP
 02E  BEATRIZ       JUN 17 - JUN 22   977       80               NEP
 03E  CALVIN        JUL 05 - JUL 12   984       70               NEP
 04E  DORA          JUL 15 - JUL 25   929      135               NEP
 05E  EUGENE        JUL 29 - AUG 07   946      115               NEP
 06E  FERNANDA      AUG 12 - AUG 21   994       55               NEP
 07E  GREG          AUG 14 - AUG 21   980       75               NEP
 08E  DEPRESSION 8  AUG 29 - SEP 31  1002       30               NEP
 09E  HILARY        SEP 18 - OCT 02   940      125               NEP
 10E  JOVA          OCT 04 - OCT 12   957      110               NEP
 11E  IRWIN         OCT 04 - OCT 17   980       80               NEP
 12E  DEPRESSION 12 OCT 06 - OCT 12  1005       30               NEP
 13E  KENNETH       NOV 16 - NOV 26   943      125               NEP



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                          NORTHWEST PACFICIC BASIN

 JTWC    NAME(S)            DATES         CENT    MSW   MSW    BASIN
 NUM                                      PRS    1-MIN 10-MIN
                                          (mb)   (kts) (kts)
 ------------------------------------------------------------------------
 01W  ---                MAR 31 - APR 04  1004     30   30      NWP
 02W  AMANG              APR 03 - APR 07  1000     30   30      NWP (1)
 03W  AERE/BEBENG        MAY 05 - MAY 11   990     50   45      NWP
 04W  SONGDA/CHEDENG     MAY 19 - JUN 01   920    140  105      NWP
 05W  SARIKA/DODONG      JUN 08 - JUN 11   996     35   40      NWP
 06W  HAIMA/EGAY         JUN 16 - JUN 25   990     35   40      NWP
 07W  MEARI/FALCON       JUN 20 - JUN 27   970     60   60      NWP
 08W  MA-ON              JUL 07 - JUL 31   941    110  ---      NWP
 09W  TOKAGE             JUL 11 - JUL 16  1000     30  ---      NWP
 10W  NOCK-TEN           JUL 20 - JUL 31   982     55  ---      NWP
 11W  MUIFA              JUL 22 - AUG 08   918    140  ---      NWP
 12W  MERBOK             AUG 01 - AUG 09   967     75  ---      NWP
 13W  DEPRESSION 13      AUG 07 - AUG 14  1000     30  ---      NWP
 14W  NANMADOL           AUG 19 - AUG 31   922    135  ---      NWP
 15W  TALAS              AUG 22 - SEP 04   982     55  ---      NWP
 16W  NORU               AUG 28 - SEP 07   989     45  ---      NWP
 17W  KULAP              SEP 03 - SEP 09   990     45  ---      NWP
 18W  ROKE               SEP 07 - SEP 22   937    115  ---      NWP
 19W  SONCA              SEP 12 - SEP 20   959     85  ---      NWP
 20W  NESAT              SEP 20 - SEP 30   944    105  ---      NWP
 21W  HAITANG            SEP 20 - SEP 26   996     35  ---      NWP
 22W  NALGAE             SEP 23 - OCT 05   926    130  ---      NWP
 23W  BANYAN             OCT 07 - OCT 15   996     35  ---      NWP
 24W  DEPRESSION 24      NOV 04 - NOV 08  1000     30  ---      NWP
 25W  DEPRESSION 25      DEC 03 - DEC 05  1004     30  ---      NWP
 26W  DEPRESSION 26      DEC 08 - DEC 14  1000     30  ---      NWP
 27W  WASHI              DEC 12 - DEC 19   982     55  ---      NWP

(1) sYSTEM NAMED BY PAGASA

 

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                          NORTH INDIAN OCEAN BASIN

 JTWC    NAME           IMD       DATES           CENT    MSW   MSW    BASIN
 NUM                  TROP CYC                    PRS    1-MIN 3-MIN
                        ID                        (mb)   (kts) (kts)
 ---------------------------------------------------------------------------
 ---  ---              ---       JAN 11 - JAN 12  ----    ---   ---    NI (1)
 ---  ---              BOB 01    FEB 02 - FEB 03  ---     ---    25    NI (1)
 01A  ---              ARB 01    JUN 06 - JUN 12  996      35   ---    NI
 ---  ---              BOB 02    JUN 16 - JUN 20  990      30   ---    NI (1)
 ---  ---              BOB 03    SEP 20 - SEP 21  995      25   ---    NI (1)
 02B  TWO              BOB 04    OCT 16 - OCT 19  996      35   ---    NI
 03A  KEILA            ARB 02    OCT 25 - NOV 05  996      35   ---    NI
 04A  FOUR             ARB 03    NOV 04 - NOV 12  996      35   ---    NI
 05A  FIVE             ARB 04    NOV 23 - DEC 03  996      35   ---    NI
 06B  THANE            BOB 05    DEC 22 - DEC 31  963      80   ---    NI

 

(1) CLASSIFIED AS A DEPRESSION BY IMD


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Document: summ2011.htm Updated: 18 January 2013