714 WTNT80 EGRR 111610 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 11.10.2023 TROPICAL STORM LIDIA ANALYSED POSITION : 23.9N 107.9W ATCF IDENTIFIER : EP152023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 11.10.2023 23.9N 107.9W WEAK 00UTC 12.10.2023 BELOW TROPICAL STORM STRENGTH TROPICAL STORM SEAN ANALYSED POSITION : 11.2N 35.5W ATCF IDENTIFIER : AL192023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 11.10.2023 11.2N 35.5W WEAK 00UTC 12.10.2023 11.1N 36.8W WEAK LITTLE CHANGE 12UTC 12.10.2023 12.2N 38.4W WEAK LITTLE CHANGE 00UTC 13.10.2023 12.7N 39.9W WEAK LITTLE CHANGE 12UTC 13.10.2023 13.8N 42.2W WEAK LITTLE CHANGE 00UTC 14.10.2023 15.0N 43.6W WEAK LITTLE CHANGE 12UTC 14.10.2023 16.7N 44.8W WEAK LITTLE CHANGE 00UTC 15.10.2023 18.1N 46.0W WEAK LITTLE CHANGE 12UTC 15.10.2023 19.5N 46.5W WEAK LITTLE CHANGE 00UTC 16.10.2023 BELOW TROPICAL STORM STRENGTH TROPICAL STORM DEVELOPED IN THE MODEL ANALYSIS AT POSITION : 36.4N 52.5W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 11.10.2023 36.4N 52.5W WEAK 00UTC 12.10.2023 35.7N 50.1W WEAK LITTLE CHANGE 12UTC 12.10.2023 35.9N 48.3W WEAK LITTLE CHANGE 00UTC 13.10.2023 35.8N 47.6W WEAK LITTLE CHANGE 12UTC 13.10.2023 35.1N 46.9W WEAK LITTLE CHANGE 00UTC 14.10.2023 35.8N 45.3W WEAK LITTLE CHANGE 12UTC 14.10.2023 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 6 HOURS FORECAST POSITION AT T+ 6 : 27.3N 92.1W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 12.10.2023 28.4N 90.4W MODERATE INTENSIFYING SLIGHTLY 12UTC 12.10.2023 29.8N 87.2W WEAK LITTLE CHANGE 00UTC 13.10.2023 30.2N 85.3W WEAK LITTLE CHANGE 12UTC 13.10.2023 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 36 HOURS FORECAST POSITION AT T+ 36 : 31.3N 72.4W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 13.10.2023 31.3N 72.4W WEAK 12UTC 13.10.2023 32.4N 64.7W MODERATE INTENSIFYING SLIGHTLY 00UTC 14.10.2023 31.3N 59.8W MODERATE LITTLE CHANGE 12UTC 14.10.2023 30.7N 54.3W MODERATE WEAKENING SLIGHTLY 00UTC 15.10.2023 31.0N 49.3W WEAK WEAKENING SLIGHTLY 12UTC 15.10.2023 35.0N 38.9W WEAK WEAKENING SLIGHTLY 00UTC 16.10.2023 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 111610