000 WTNT80 EGRR 061615 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 06.09.2017 HURRICANE IRMA ANALYSED POSITION : 18.1N 63.3W ATCF IDENTIFIER : AL112017 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 06.09.2017 18.1N 63.3W INTENSE 00UTC 07.09.2017 19.1N 65.8W INTENSE LITTLE CHANGE 12UTC 07.09.2017 20.0N 68.6W INTENSE LITTLE CHANGE 00UTC 08.09.2017 20.9N 71.4W INTENSE INTENSIFYING RAPIDLY 12UTC 08.09.2017 21.4N 73.7W INTENSE LITTLE CHANGE 00UTC 09.09.2017 21.7N 75.8W INTENSE INTENSIFYING SLIGHTLY 12UTC 09.09.2017 21.8N 78.0W INTENSE WEAKENING SLIGHTLY 00UTC 10.09.2017 22.2N 79.6W INTENSE LITTLE CHANGE 12UTC 10.09.2017 23.3N 80.3W INTENSE INTENSIFYING SLIGHTLY 00UTC 11.09.2017 25.0N 80.2W INTENSE INTENSIFYING RAPIDLY 12UTC 11.09.2017 27.5N 80.4W INTENSE LITTLE CHANGE 00UTC 12.09.2017 30.1N 80.6W INTENSE WEAKENING RAPIDLY 12UTC 12.09.2017 33.1N 80.8W INTENSE WEAKENING RAPIDLY TROPICAL STORM JOSE ANALYSED POSITION : 13.0N 43.8W ATCF IDENTIFIER : AL122017 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 06.09.2017 13.0N 43.8W MODERATE 00UTC 07.09.2017 13.9N 46.6W MODERATE INTENSIFYING SLIGHTLY 12UTC 07.09.2017 14.6N 49.8W MODERATE INTENSIFYING SLIGHTLY 00UTC 08.09.2017 15.3N 53.0W STRONG INTENSIFYING SLIGHTLY 12UTC 08.09.2017 15.8N 55.8W STRONG LITTLE CHANGE 00UTC 09.09.2017 16.4N 58.0W STRONG LITTLE CHANGE 12UTC 09.09.2017 17.3N 59.6W STRONG LITTLE CHANGE 00UTC 10.09.2017 18.5N 60.9W STRONG LITTLE CHANGE 12UTC 10.09.2017 19.9N 63.0W STRONG LITTLE CHANGE 00UTC 11.09.2017 21.6N 65.3W STRONG LITTLE CHANGE 12UTC 11.09.2017 23.3N 67.5W STRONG LITTLE CHANGE 00UTC 12.09.2017 24.7N 68.9W STRONG INTENSIFYING SLIGHTLY 12UTC 12.09.2017 26.1N 68.7W STRONG INTENSIFYING SLIGHTLY TROPICAL STORM KATIA ANALYSED POSITION : 22.0N 96.0W ATCF IDENTIFIER : AL132017 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 06.09.2017 22.0N 96.0W WEAK 00UTC 07.09.2017 21.5N 95.2W MODERATE INTENSIFYING SLIGHTLY 12UTC 07.09.2017 21.1N 94.9W MODERATE INTENSIFYING SLIGHTLY 00UTC 08.09.2017 21.4N 95.2W MODERATE INTENSIFYING SLIGHTLY 12UTC 08.09.2017 21.5N 95.9W MODERATE LITTLE CHANGE 00UTC 09.09.2017 21.3N 97.0W MODERATE LITTLE CHANGE 12UTC 09.09.2017 20.0N 96.8W WEAK WEAKENING RAPIDLY 00UTC 10.09.2017 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 061615