791 WTNT80 EGRR 170411 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 00UTC 17.01.2023 TROPICAL STORM 90L ANALYSED POSITION : 39.7N 61.6W ATCF IDENTIFIER : AL902023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 17.01.2023 39.7N 61.6W MODERATE 12UTC 17.01.2023 45.3N 60.2W MODERATE WEAKENING SLIGHTLY 00UTC 18.01.2023 49.8N 60.0W MODERATE LITTLE CHANGE 12UTC 18.01.2023 51.6N 59.7W MODERATE LITTLE CHANGE 00UTC 19.01.2023 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 170411