WTNT82 EGRR 280411



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



             GLOBAL MODEL DATA TIME 0000UTC 28.09.2017



             HURRICANE LEE        ANALYSED POSITION : 31.3N  57.4W



     ATCF IDENTIFIER : AL142017



                        LEAD                 CENTRAL     MAXIMUM WIND

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

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

    0000UTC 28.09.2017    0  31.3N  57.4W      970            72

    1200UTC 28.09.2017   12  33.1N  57.6W      972            70

    0000UTC 29.09.2017   24  36.0N  56.2W      980            69

    1200UTC 29.09.2017   36  39.7N  51.8W      988            64

    0000UTC 30.09.2017   48  43.6N  43.4W      995            56

    1200UTC 30.09.2017   60              CEASED TRACKING



             HURRICANE MARIA      ANALYSED POSITION : 36.4N  72.1W



     ATCF IDENTIFIER : AL152017



                        LEAD                 CENTRAL     MAXIMUM WIND

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

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

    0000UTC 28.09.2017    0  36.4N  72.1W      978            48

    1200UTC 28.09.2017   12  36.6N  70.5W      977            54

    0000UTC 29.09.2017   24  36.3N  67.3W      981            50

    1200UTC 29.09.2017   36  36.3N  63.5W      978            56

    0000UTC 30.09.2017   48  37.8N  58.1W      977            62

    1200UTC 30.09.2017   60  40.9N  51.6W      974            60

    0000UTC 01.10.2017   72  44.4N  43.3W      983            55

    1200UTC 01.10.2017   84  47.3N  32.7W      998            45

    0000UTC 02.10.2017   96  49.1N  17.2W     1008            33

    1200UTC 02.10.2017  108              CEASED TRACKING



       NEW TROPICAL CYCLONE FORECAST TO DEVELOP AFTER  42 HOURS

              FORECAST POSITION AT T+ 42 : 11.5N 135.5W



                        LEAD                 CENTRAL     MAXIMUM WIND

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

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

    0000UTC 30.09.2017   48  11.3N 135.2W     1007            22

    1200UTC 30.09.2017   60  11.7N 134.5W     1008            20

    0000UTC 01.10.2017   72  11.9N 135.0W     1007            21

    1200UTC 01.10.2017   84  12.0N 135.7W     1007            27

    0000UTC 02.10.2017   96  12.2N 135.8W     1005            29

    1200UTC 02.10.2017  108  13.1N 135.8W     1004            38

    0000UTC 03.10.2017  120  13.5N 135.7W     1003            28

    1200UTC 03.10.2017  132  13.4N 134.7W     1003            28

    0000UTC 04.10.2017  144  13.5N 133.2W     1001            33



       NEW TROPICAL CYCLONE FORECAST TO DEVELOP AFTER  66 HOURS

              FORECAST POSITION AT T+ 66 : 12.5N 112.9W



                        LEAD                 CENTRAL     MAXIMUM WIND

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

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

    0000UTC 01.10.2017   72  12.8N 112.3W     1006            29

    1200UTC 01.10.2017   84  13.3N 110.3W     1006            32

    0000UTC 02.10.2017   96  13.6N 107.5W     1005            30

    1200UTC 02.10.2017  108              CEASED TRACKING



       NEW TROPICAL CYCLONE FORECAST TO DEVELOP AFTER 144 HOURS

              FORECAST POSITION AT T+144 : 28.9N 165.4W



                        LEAD                 CENTRAL     MAXIMUM WIND

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

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

    0000UTC 04.10.2017  144  28.9N 165.4W     1006            35





 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 280410