899 WTNT80 EGRR 130359 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 00UTC 13.09.2021 TROPICAL DEPRESSION 93L ANALYSED POSITION : 15.7N 27.0W ATCF IDENTIFIER : AL932021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 13.09.2021 15.7N 27.0W WEAK 12UTC 13.09.2021 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION 97E ANALYSED POSITION : 15.2N 101.1W ATCF IDENTIFIER : EP972021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 13.09.2021 15.2N 101.1W WEAK 12UTC 13.09.2021 BELOW TROPICAL STORM STRENGTH TROPICAL STORM NICHOLAS ANALYSED POSITION : 23.1N 95.8W ATCF IDENTIFIER : AL142021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 13.09.2021 23.1N 95.8W WEAK 12UTC 13.09.2021 25.5N 97.0W WEAK LITTLE CHANGE 00UTC 14.09.2021 27.4N 97.0W WEAK LITTLE CHANGE 12UTC 14.09.2021 28.9N 96.8W WEAK LITTLE CHANGE 00UTC 15.09.2021 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 48 HOURS FORECAST POSITION AT T+ 48 : 11.7N 21.9W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 15.09.2021 11.7N 21.9W WEAK 12UTC 15.09.2021 12.3N 25.6W WEAK LITTLE CHANGE 00UTC 16.09.2021 13.1N 29.3W WEAK LITTLE CHANGE 12UTC 16.09.2021 13.9N 33.7W WEAK LITTLE CHANGE 00UTC 17.09.2021 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 130359