608 
WTNT80 EGRR 171605

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 12UTC 17.05.2020

        TROPICAL STORM ARTHUR     ANALYSED POSITION : 30.1N  77.8W

     ATCF IDENTIFIER : AL012020

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 17.05.2020  30.1N  77.8W     WEAK
 00UTC 18.05.2020  31.8N  76.8W     WEAK        LITTLE CHANGE
 12UTC 18.05.2020  34.4N  75.8W     WEAK    INTENSIFYING SLIGHTLY
 00UTC 19.05.2020  36.5N  73.1W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 19.05.2020  37.2N  69.4W   MODERATE      LITTLE CHANGE
 00UTC 20.05.2020  36.1N  65.8W   MODERATE      LITTLE CHANGE
 12UTC 20.05.2020  34.4N  62.5W     WEAK     WEAKENING SLIGHTLY
 00UTC 21.05.2020  32.4N  59.8W     WEAK     WEAKENING SLIGHTLY
 12UTC 21.05.2020  30.9N  58.0W     WEAK        LITTLE CHANGE
 00UTC 22.05.2020        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 138 HOURS
                   FORECAST POSITION AT T+138 :  9.6N 132.4W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 23.05.2020   9.7N 132.7W     WEAK      WEAKENING RAPIDLY


 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 171605