775 WTNT80 EGRR 091611 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 09.10.2023 TROPICAL STORM LIDIA ANALYSED POSITION : 18.3N 111.9W ATCF IDENTIFIER : EP152023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 09.10.2023 18.3N 111.9W MODERATE 00UTC 10.10.2023 18.9N 110.9W MODERATE LITTLE CHANGE 12UTC 10.10.2023 19.4N 108.8W MODERATE LITTLE CHANGE 00UTC 11.10.2023 20.0N 106.6W MODERATE LITTLE CHANGE 12UTC 11.10.2023 BELOW TROPICAL STORM STRENGTH TROPICAL STORM MAX ANALYSED POSITION : 16.9N 101.6W ATCF IDENTIFIER : EP162023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 09.10.2023 16.9N 101.6W WEAK 00UTC 10.10.2023 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION 92L ANALYSED POSITION : 8.8N 26.5W ATCF IDENTIFIER : AL922023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 09.10.2023 8.8N 26.5W WEAK 00UTC 10.10.2023 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 66 HOURS FORECAST POSITION AT T+ 66 : 31.7N 47.6W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 12.10.2023 31.7N 45.2W WEAK WEAKENING SLIGHTLY 00UTC 13.10.2023 32.7N 41.0W WEAK LITTLE CHANGE 12UTC 13.10.2023 33.6N 38.3W WEAK LITTLE CHANGE 00UTC 14.10.2023 36.5N 34.5W WEAK LITTLE CHANGE 12UTC 14.10.2023 38.6N 33.7W WEAK LITTLE CHANGE 00UTC 15.10.2023 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 84 HOURS FORECAST POSITION AT T+ 84 : 32.8N 64.1W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 13.10.2023 32.8N 64.1W WEAK 12UTC 13.10.2023 31.7N 60.5W WEAK LITTLE CHANGE 00UTC 14.10.2023 31.8N 56.6W WEAK LITTLE CHANGE 12UTC 14.10.2023 31.1N 53.2W WEAK LITTLE CHANGE 00UTC 15.10.2023 32.0N 50.3W WEAK LITTLE CHANGE 12UTC 15.10.2023 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 108 HOURS FORECAST POSITION AT T+108 : 14.5N 46.0W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 14.10.2023 14.5N 46.0W WEAK 12UTC 14.10.2023 15.7N 47.6W WEAK LITTLE CHANGE 00UTC 15.10.2023 17.2N 48.7W WEAK LITTLE CHANGE 12UTC 15.10.2023 18.0N 49.4W WEAK LITTLE CHANGE 00UTC 16.10.2023 19.0N 49.6W WEAK LITTLE CHANGE 12UTC 16.10.2023 20.0N 49.9W 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 091611