074 
WTNT80 EGRR 071602

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 12UTC 07.09.2021

   TROPICAL DEPRESSION 91L        ANALYSED POSITION : 19.8N  92.6W

     ATCF IDENTIFIER : AL912021

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 07.09.2021  19.8N  92.6W     WEAK
 00UTC 08.09.2021        BELOW TROPICAL STORM STRENGTH

   TROPICAL DEPRESSION 96E        ANALYSED POSITION : 17.3N 107.3W

     ATCF IDENTIFIER : EP962021

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 07.09.2021  17.3N 107.3W     WEAK
 00UTC 08.09.2021        BELOW TROPICAL STORM STRENGTH

             HURRICANE LARRY      ANALYSED POSITION : 23.9N  55.4W

     ATCF IDENTIFIER : AL122021

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 07.09.2021  23.9N  55.4W   INTENSE
 00UTC 08.09.2021  25.5N  56.7W   INTENSE       LITTLE CHANGE
 12UTC 08.09.2021  27.4N  58.4W   INTENSE   INTENSIFYING SLIGHTLY
 00UTC 09.09.2021  29.2N  60.2W   INTENSE   INTENSIFYING RAPIDLY
 12UTC 09.09.2021  31.7N  61.8W   INTENSE   INTENSIFYING SLIGHTLY
 00UTC 10.09.2021  34.8N  62.6W   INTENSE    WEAKENING SLIGHTLY
 12UTC 10.09.2021  38.9N  61.4W   INTENSE       LITTLE CHANGE
 00UTC 11.09.2021  44.5N  57.1W   INTENSE   INTENSIFYING SLIGHTLY
 12UTC 11.09.2021  51.7N  49.9W    STRONG     WEAKENING RAPIDLY
 00UTC 12.09.2021  POST-TROPICAL

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  30 HOURS
                   FORECAST POSITION AT T+ 30 : 19.1N 108.6W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 09.09.2021  19.4N 109.2W     WEAK        LITTLE CHANGE
 12UTC 09.09.2021  20.9N 110.2W     WEAK        LITTLE CHANGE
 00UTC 10.09.2021  22.2N 112.1W     WEAK        LITTLE CHANGE
 12UTC 10.09.2021  23.3N 114.1W     WEAK        LITTLE CHANGE
 00UTC 11.09.2021  24.1N 116.2W     WEAK        LITTLE CHANGE
 12UTC 11.09.2021        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  66 HOURS
                   FORECAST POSITION AT T+ 66 : 39.7N   6.3E

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 10.09.2021  39.5N   7.4E     WEAK     WEAKENING SLIGHTLY
 00UTC 11.09.2021  38.2N  10.6E     WEAK        LITTLE CHANGE
 12UTC 11.09.2021  36.5N  15.6E     WEAK        LITTLE CHANGE
 00UTC 12.09.2021  35.4N  16.9E     WEAK        LITTLE CHANGE
 12UTC 12.09.2021        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  96 HOURS
                   FORECAST POSITION AT T+ 96 : 15.9N  17.6W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 11.09.2021  15.9N  17.6W   MODERATE
 00UTC 12.09.2021  17.0N  20.6W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 12.09.2021  18.3N  22.7W   MODERATE      LITTLE CHANGE
 00UTC 13.09.2021  19.5N  23.7W   MODERATE   WEAKENING SLIGHTLY
 12UTC 13.09.2021  21.4N  23.7W   MODERATE  INTENSIFYING SLIGHTLY


 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 071602