114 WTNT80 EGRR 151610 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 15.07.2023 HURRICANE CALVIN ANALYSED POSITION : 14.5N 128.3W ATCF IDENTIFIER : EP032023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 15.07.2023 14.5N 128.3W STRONG 00UTC 16.07.2023 15.2N 131.4W STRONG WEAKENING SLIGHTLY 12UTC 16.07.2023 16.1N 134.6W MODERATE WEAKENING SLIGHTLY 00UTC 17.07.2023 16.8N 138.3W MODERATE WEAKENING SLIGHTLY 12UTC 17.07.2023 17.1N 142.0W WEAK WEAKENING SLIGHTLY 00UTC 18.07.2023 17.2N 145.9W WEAK LITTLE CHANGE 12UTC 18.07.2023 17.4N 149.8W WEAK LITTLE CHANGE 00UTC 19.07.2023 17.3N 153.7W WEAK LITTLE CHANGE 12UTC 19.07.2023 BELOW TROPICAL STORM STRENGTH TROPICAL STORM DON ANALYSED POSITION : 36.3N 48.5W ATCF IDENTIFIER : AL052023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 15.07.2023 36.3N 48.5W WEAK 00UTC 16.07.2023 37.8N 48.6W WEAK LITTLE CHANGE 12UTC 16.07.2023 38.9N 48.3W WEAK LITTLE CHANGE 00UTC 17.07.2023 39.8N 46.2W WEAK LITTLE CHANGE 12UTC 17.07.2023 39.5N 43.8W WEAK LITTLE CHANGE 00UTC 18.07.2023 38.1N 41.8W WEAK LITTLE CHANGE 12UTC 18.07.2023 36.1N 40.5W WEAK LITTLE CHANGE 00UTC 19.07.2023 34.2N 40.1W WEAK LITTLE CHANGE 12UTC 19.07.2023 33.3N 40.0W WEAK LITTLE CHANGE 00UTC 20.07.2023 32.7N 40.1W WEAK LITTLE CHANGE 12UTC 20.07.2023 33.1N 39.4W WEAK LITTLE CHANGE 00UTC 21.07.2023 34.1N 39.0W WEAK LITTLE CHANGE 12UTC 21.07.2023 36.2N 38.9W WEAK LITTLE CHANGE 00UTC 22.07.2023 37.7N 39.9W WEAK WEAKENING SLIGHTLY 12UTC 22.07.2023 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 151609