392 WTNT80 EGRR 091607 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 09.11.2021 TROPICAL DEPRESSION SANDRA ANALYSED POSITION : 14.7N 120.0W ATCF IDENTIFIER : EP192021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 09.11.2021 14.7N 120.0W WEAK 00UTC 10.11.2021 14.1N 122.4W WEAK LITTLE CHANGE 12UTC 10.11.2021 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION TERRY ANALYSED POSITION : 11.7N 110.7W ATCF IDENTIFIER : EP182021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 09.11.2021 11.7N 110.7W WEAK 00UTC 10.11.2021 12.3N 113.0W WEAK LITTLE CHANGE 12UTC 10.11.2021 12.6N 115.9W WEAK LITTLE CHANGE 00UTC 11.11.2021 BELOW TROPICAL STORM STRENGTH TROPICAL STORM DEVELOPED IN THE MODEL ANALYSIS AT POSITION : 34.8N 63.5W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 09.11.2021 34.8N 63.5W MODERATE 00UTC 10.11.2021 35.0N 60.7W MODERATE INTENSIFYING SLIGHTLY 12UTC 10.11.2021 35.6N 57.4W MODERATE LITTLE CHANGE 00UTC 11.11.2021 36.9N 53.2W STRONG INTENSIFYING SLIGHTLY 12UTC 11.11.2021 38.8N 46.5W STRONG INTENSIFYING SLIGHTLY 00UTC 12.11.2021 43.8N 38.4W INTENSE INTENSIFYING SLIGHTLY 12UTC 12.11.2021 53.1N 35.6W INTENSE LITTLE CHANGE 00UTC 13.11.2021 POST-TROPICAL NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 132 HOURS FORECAST POSITION AT T+132 : 34.9N 63.2W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 15.11.2021 34.9N 63.2W WEAK 12UTC 15.11.2021 37.9N 56.8W WEAK LITTLE CHANGE 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 091607