553 
WTNT80 EGRR 090400

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 00UTC 09.09.2021

        TROPICAL STORM OLAF       ANALYSED POSITION : 19.5N 107.6W

     ATCF IDENTIFIER : EP152021

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 09.09.2021  19.5N 107.6W     WEAK
 12UTC 09.09.2021  20.7N 108.0W   MODERATE  INTENSIFYING SLIGHTLY
 00UTC 10.09.2021  22.0N 109.2W   MODERATE      LITTLE CHANGE
 12UTC 10.09.2021  23.1N 111.1W   MODERATE      LITTLE CHANGE
 00UTC 11.09.2021  23.6N 113.2W   MODERATE      LITTLE CHANGE
 12UTC 11.09.2021  23.5N 114.4W     WEAK     WEAKENING SLIGHTLY
 00UTC 12.09.2021  23.0N 115.6W     WEAK        LITTLE CHANGE
 12UTC 12.09.2021  22.2N 116.8W     WEAK        LITTLE CHANGE
 00UTC 13.09.2021  21.4N 117.9W     WEAK        LITTLE CHANGE
 12UTC 13.09.2021  20.5N 119.5W     WEAK        LITTLE CHANGE
 00UTC 14.09.2021        BELOW TROPICAL STORM STRENGTH

             HURRICANE LARRY      ANALYSED POSITION : 29.0N  59.8W

     ATCF IDENTIFIER : AL122021

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 09.09.2021  29.0N  59.8W    STRONG
 12UTC 09.09.2021  31.4N  61.6W    STRONG   INTENSIFYING SLIGHTLY
 00UTC 10.09.2021  34.5N  62.4W   INTENSE   INTENSIFYING SLIGHTLY
 12UTC 10.09.2021  38.8N  61.4W   INTENSE       LITTLE CHANGE
 00UTC 11.09.2021  44.6N  56.7W   INTENSE   INTENSIFYING SLIGHTLY
 12UTC 11.09.2021  51.1N  48.3W    STRONG     WEAKENING RAPIDLY
 00UTC 12.09.2021  POST-TROPICAL

        TROPICAL STORM MINDY      ANALYSED POSITION : 29.5N  85.4W

     ATCF IDENTIFIER : AL132021

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 09.09.2021  29.5N  85.4W     WEAK
 12UTC 09.09.2021  31.1N  82.3W     WEAK        LITTLE CHANGE
 00UTC 10.09.2021  32.0N  77.8W     WEAK        LITTLE CHANGE
 12UTC 10.09.2021  32.4N  73.6W     WEAK        LITTLE CHANGE
 00UTC 11.09.2021        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  12 HOURS
                   FORECAST POSITION AT T+ 12 : 40.3N   4.5E

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 09.09.2021  40.3N   4.5E     WEAK
 00UTC 10.09.2021  40.2N   4.7E     WEAK        LITTLE CHANGE
 12UTC 10.09.2021  39.6N   6.4E     WEAK        LITTLE CHANGE
 00UTC 11.09.2021        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  60 HOURS
                   FORECAST POSITION AT T+ 60 : 15.1N  17.5W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 11.09.2021  15.1N  17.5W   MODERATE
 00UTC 12.09.2021  16.0N  20.6W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 12.09.2021  16.9N  22.7W   MODERATE      LITTLE CHANGE
 00UTC 13.09.2021  18.3N  24.2W   MODERATE      LITTLE CHANGE
 12UTC 13.09.2021  19.7N  24.9W   MODERATE      LITTLE CHANGE
 00UTC 14.09.2021  21.7N  24.9W   MODERATE      LITTLE CHANGE
 12UTC 14.09.2021  23.4N  25.1W     WEAK     WEAKENING SLIGHTLY
 00UTC 15.09.2021  25.0N  25.1W     WEAK     WEAKENING SLIGHTLY

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  72 HOURS
                   FORECAST POSITION AT T+ 72 : 37.3N  17.9E

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 12.09.2021  37.3N  17.9E     WEAK
 12UTC 12.09.2021  35.8N  20.0E     WEAK    INTENSIFYING SLIGHTLY
 00UTC 13.09.2021  34.4N  23.7E     WEAK        LITTLE CHANGE
 12UTC 13.09.2021  33.6N  27.5E     WEAK        LITTLE CHANGE
 00UTC 14.09.2021        BELOW TROPICAL STORM STRENGTH


 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 090400