490 WTNT80 EGRR 271559 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 27.07.2021 TROPICAL DEPRESSION 99E ANALYSED POSITION : 12.6N 116.7W ATCF IDENTIFIER : EP992021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 27.07.2021 12.6N 116.7W WEAK 00UTC 28.07.2021 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION 90L ANALYSED POSITION : 31.8N 81.1W ATCF IDENTIFIER : AL902021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 27.07.2021 31.8N 81.1W WEAK 00UTC 28.07.2021 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 54 HOURS FORECAST POSITION AT T+ 54 : 13.4N 122.7W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 30.07.2021 13.3N 123.5W WEAK INTENSIFYING RAPIDLY 12UTC 30.07.2021 12.8N 124.9W WEAK LITTLE CHANGE 00UTC 31.07.2021 13.1N 126.1W WEAK LITTLE CHANGE 12UTC 31.07.2021 13.0N 128.3W WEAK LITTLE CHANGE 00UTC 01.08.2021 13.0N 129.6W WEAK LITTLE CHANGE 12UTC 01.08.2021 13.7N 131.7W MODERATE LITTLE CHANGE 00UTC 02.08.2021 14.5N 134.0W MODERATE LITTLE CHANGE 12UTC 02.08.2021 15.8N 136.0W 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 271559