WTNT82 EGRR 031605



  MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC



             GLOBAL MODEL DATA TIME 1200UTC 03.09.2017



   TROPICAL DEPRESSION LIDIA      ANALYSED POSITION : 29.7N 116.7W



     ATCF IDENTIFIER : EP142017



                        LEAD                 CENTRAL     MAXIMUM WIND

      VERIFYING TIME    TIME   POSITION   PRESSURE (MB)  SPEED (KNOTS)

      --------------    ----   --------   -------------  -------------

    1200UTC 03.09.2017    0  29.7N 116.7W     1005            34

    0000UTC 04.09.2017   12  31.1N 118.4W     1008            26

    1200UTC 04.09.2017   24  31.6N 120.5W     1009            22

    0000UTC 05.09.2017   36              CEASED TRACKING



             HURRICANE IRMA       ANALYSED POSITION : 17.6N  47.9W



     ATCF IDENTIFIER : AL112017



                        LEAD                 CENTRAL     MAXIMUM WIND

      VERIFYING TIME    TIME   POSITION   PRESSURE (MB)  SPEED (KNOTS)

      --------------    ----   --------   -------------  -------------

    1200UTC 03.09.2017    0  17.6N  47.9W      971            75

    0000UTC 04.09.2017   12  17.1N  49.9W      973            66

    1200UTC 04.09.2017   24  16.6N  52.2W      974            67

    0000UTC 05.09.2017   36  16.4N  54.1W      975            66

    1200UTC 05.09.2017   48  16.5N  56.3W      969            72

    0000UTC 06.09.2017   60  17.2N  58.3W      967            73

    1200UTC 06.09.2017   72  18.4N  60.7W      961            75

    0000UTC 07.09.2017   84  19.7N  63.3W      958            77

    1200UTC 07.09.2017   96  20.8N  66.1W      956            79

    0000UTC 08.09.2017  108  21.6N  68.4W      946            80

    1200UTC 08.09.2017  120  22.2N  70.8W      950            86

    0000UTC 09.09.2017  132  22.2N  73.1W      950            82

    1200UTC 09.09.2017  144  22.5N  74.7W      939            84



       NEW TROPICAL CYCLONE FORECAST TO DEVELOP AFTER  66 HOURS

              FORECAST POSITION AT T+ 66 : 13.1N  40.4W



                        LEAD                 CENTRAL     MAXIMUM WIND

      VERIFYING TIME    TIME   POSITION   PRESSURE (MB)  SPEED (KNOTS)

      --------------    ----   --------   -------------  -------------

    1200UTC 06.09.2017   72  13.4N  42.2W     1010            32

    0000UTC 07.09.2017   84  14.4N  45.7W     1002            47

    1200UTC 07.09.2017   96  15.1N  48.7W     1000            47

    0000UTC 08.09.2017  108  16.2N  51.4W      996            57

    1200UTC 08.09.2017  120  17.1N  53.9W      995            53

    0000UTC 09.09.2017  132  17.9N  55.5W      989            65

    1200UTC 09.09.2017  144  18.9N  56.3W      986            62



       NEW TROPICAL CYCLONE FORECAST TO DEVELOP AFTER 102 HOURS

              FORECAST POSITION AT T+102 : 21.9N  95.4W



                        LEAD                 CENTRAL     MAXIMUM WIND

      VERIFYING TIME    TIME   POSITION   PRESSURE (MB)  SPEED (KNOTS)

      --------------    ----   --------   -------------  -------------

    0000UTC 08.09.2017  108  21.9N  94.9W     1007            31

    1200UTC 08.09.2017  120  22.2N  95.6W     1005            31

    0000UTC 09.09.2017  132  22.3N  96.3W      999            45

    1200UTC 09.09.2017  144  22.1N  97.5W      994            44





 THIS INFORMATION IS PROVIDED AS GUIDANCE FOR TROPICAL CYCLONE

 RSMCS. IT REQUIRES INTERPRETATION BY TROPICAL CYCLONE SPECIALISTS

 AND SHOULD NOT BE CONSIDERED AS A FINAL PRODUCT.



 MET OFFICE, EXETER, UK



 TOO 031605