384 WTNT80 EGRR 221612 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 22.08.2023 TROPICAL STORM HAROLD ANALYSED POSITION : 26.4N 96.1W ATCF IDENTIFIER : AL092023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 22.08.2023 26.4N 96.1W WEAK 00UTC 23.08.2023 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION GERT ANALYSED POSITION : 17.7N 59.1W ATCF IDENTIFIER : AL062023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 22.08.2023 17.7N 59.1W WEAK 00UTC 23.08.2023 BELOW TROPICAL STORM STRENGTH TROPICAL STORM FRANKLIN ANALYSED POSITION : 14.1N 73.2W ATCF IDENTIFIER : AL082023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 22.08.2023 14.1N 73.2W WEAK 00UTC 23.08.2023 15.7N 72.9W WEAK LITTLE CHANGE 12UTC 23.08.2023 17.7N 72.9W WEAK LITTLE CHANGE 00UTC 24.08.2023 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION 92L ANALYSED POSITION : 16.2N 30.5W ATCF IDENTIFIER : AL922023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 22.08.2023 16.2N 30.5W WEAK 00UTC 23.08.2023 BELOW TROPICAL STORM STRENGTH TROPICAL STORM DEVELOPED IN THE MODEL ANALYSIS AT POSITION : 23.3N 45.2W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 22.08.2023 23.3N 45.2W WEAK 00UTC 23.08.2023 25.1N 47.6W WEAK LITTLE CHANGE 12UTC 23.08.2023 27.2N 49.0W WEAK LITTLE CHANGE 00UTC 24.08.2023 28.9N 49.5W WEAK LITTLE CHANGE 12UTC 24.08.2023 31.5N 49.3W WEAK LITTLE CHANGE 00UTC 25.08.2023 33.6N 48.7W WEAK LITTLE CHANGE 12UTC 25.08.2023 36.8N 47.6W WEAK LITTLE CHANGE 00UTC 26.08.2023 40.0N 45.8W WEAK LITTLE CHANGE 12UTC 26.08.2023 43.6N 44.0W WEAK LITTLE CHANGE 00UTC 27.08.2023 46.6N 41.0W WEAK LITTLE CHANGE 12UTC 27.08.2023 49.5N 36.3W WEAK LITTLE CHANGE 00UTC 28.08.2023 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 60 HOURS FORECAST POSITION AT T+ 60 : 22.3N 69.3W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 25.08.2023 22.3N 69.3W WEAK 12UTC 25.08.2023 22.8N 68.5W WEAK LITTLE CHANGE 00UTC 26.08.2023 22.3N 67.9W WEAK LITTLE CHANGE 12UTC 26.08.2023 22.8N 68.0W WEAK LITTLE CHANGE 00UTC 27.08.2023 23.6N 68.0W WEAK LITTLE CHANGE 12UTC 27.08.2023 24.8N 68.6W MODERATE LITTLE CHANGE 00UTC 28.08.2023 26.1N 68.7W MODERATE LITTLE CHANGE 12UTC 28.08.2023 27.8N 69.1W MODERATE LITTLE CHANGE 00UTC 29.08.2023 30.0N 69.4W MODERATE LITTLE CHANGE 12UTC 29.08.2023 31.8N 69.6W MODERATE LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 96 HOURS FORECAST POSITION AT T+ 96 : 21.8N 49.7W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 26.08.2023 21.8N 49.7W WEAK 00UTC 27.08.2023 22.8N 51.4W WEAK LITTLE CHANGE 12UTC 27.08.2023 24.2N 53.9W WEAK LITTLE CHANGE 00UTC 28.08.2023 25.7N 55.6W WEAK LITTLE CHANGE 12UTC 28.08.2023 26.4N 56.4W WEAK LITTLE CHANGE 00UTC 29.08.2023 27.3N 58.2W WEAK LITTLE CHANGE 12UTC 29.08.2023 28.7N 59.0W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 156 HOURS FORECAST POSITION AT T+156 : 16.6N 16.9W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 29.08.2023 16.6N 16.9W MODERATE 12UTC 29.08.2023 16.5N 20.3W 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 221612