704 
WTNT80 EGRR 251605

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 12UTC 25.09.2021

        TROPICAL STORM TERESA     ANALYSED POSITION : 34.4N  65.2W

     ATCF IDENTIFIER : AL192021

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 25.09.2021  34.4N  65.2W     WEAK
 00UTC 26.09.2021        BELOW TROPICAL STORM STRENGTH

             HURRICANE SAM        ANALYSED POSITION : 12.9N  47.7W

     ATCF IDENTIFIER : AL182021

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 25.09.2021  12.9N  47.7W   INTENSE
 00UTC 26.09.2021  13.9N  49.1W   INTENSE   INTENSIFYING SLIGHTLY
 12UTC 26.09.2021  14.7N  50.5W   INTENSE    WEAKENING SLIGHTLY
 00UTC 27.09.2021  15.6N  51.6W    STRONG    WEAKENING SLIGHTLY
 12UTC 27.09.2021  16.3N  52.8W    STRONG       LITTLE CHANGE
 00UTC 28.09.2021  17.2N  53.9W    STRONG       LITTLE CHANGE
 12UTC 28.09.2021  18.0N  55.1W    STRONG       LITTLE CHANGE
 00UTC 29.09.2021  18.9N  56.3W    STRONG    WEAKENING SLIGHTLY
 12UTC 29.09.2021  19.7N  57.8W    STRONG    WEAKENING SLIGHTLY
 00UTC 30.09.2021  21.0N  59.3W    STRONG   INTENSIFYING SLIGHTLY
 12UTC 30.09.2021  23.1N  61.1W    STRONG   INTENSIFYING SLIGHTLY
 00UTC 01.10.2021  26.4N  62.2W   INTENSE   INTENSIFYING SLIGHTLY
 12UTC 01.10.2021  30.8N  62.6W   INTENSE   INTENSIFYING SLIGHTLY

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  96 HOURS
                   FORECAST POSITION AT T+ 96 :  8.5N  24.4W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 29.09.2021   8.5N  24.4W     WEAK
 00UTC 30.09.2021   8.7N  26.4W     WEAK        LITTLE CHANGE
 12UTC 30.09.2021   8.4N  28.9W     WEAK        LITTLE CHANGE
 00UTC 01.10.2021   8.4N  30.5W     WEAK        LITTLE CHANGE
 12UTC 01.10.2021   9.1N  32.5W     WEAK        LITTLE CHANGE

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 114 HOURS
                   FORECAST POSITION AT T+114 : 13.3N 131.5W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 30.09.2021  13.5N 132.2W     WEAK    INTENSIFYING SLIGHTLY
 00UTC 01.10.2021  14.5N 132.7W     WEAK        LITTLE CHANGE
 12UTC 01.10.2021  15.1N 133.8W     WEAK        LITTLE CHANGE

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 126 HOURS
                   FORECAST POSITION AT T+126 : 42.5N  15.9E

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 01.10.2021  42.5N  16.6E     WEAK     WEAKENING SLIGHTLY
 12UTC 01.10.2021  41.9N  18.3E     WEAK        LITTLE CHANGE


 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.

 BULLETINS ARE NOW AVAILABLE WHICH PROVIDE EXPLICIT GUIDANCE
 ON CENTRAL PRESSURE AND MAXIMUM WIND SPEED.
 FOR FURTHER INFORMATION CONTACT TROPICAL_CYCLONES@METOFFICE.GOV.UK

 MET OFFICE, EXETER, UK

 TOO 251605