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#903554 (Received by flhurricane at: 4:37 AM 18.Sep.2017) TCMAT5 HURRICANE MARIA FORECAST/ADVISORY NUMBER 8 NWS NATIONAL HURRICANE CENTER MIAMI FL AL152017 0900 UTC MON SEP 18 2017 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... A HURRICANE WATCH HAS BEEN ISSUED FOR PUERTO RICO... VIEQUES... AND CULEBRA. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * GUADELOUPE * DOMINICA * ST. KITTS... NEVIS... AND MONTSERRAT * MARTINIQUE A TROPICAL STORM WARNING IS IN EFFECT FOR... * ANTIGUA AND BARBUDA * SABA AND ST. EUSTATIUS * ST. LUCIA A HURRICANE WATCH IS IN EFFECT FOR... * PUERTO RICO... VIEQUES... AND CULEBRA * U.S. VIRGIN ISLANDS * BRITISH VIRGIN ISLANDS * SABA AND ST. EUSTATIUS * ST. MAARTEN * ST. MARTIN AND ST. BARTHELEMY * ANGUILLA A TROPICAL STORM WATCH IS IN EFFECT FOR... * BARBADOS * ST. VINCENT AND THE GRENADINES A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA. A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE WINDS... CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA... GENERALLY WITHIN 48 HOURS. INTERESTS ELSEWHERE IN THE LESSER ANTILLES AND THE DOMINICAN REPUBLIC SHOULD MONITOR THE PROGRESS OF THIS SYSTEM. HURRICANE CENTER LOCATED NEAR 14.6N 59.5W AT 18/0900Z POSITION ACCURATE WITHIN 15 NM PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 290 DEGREES AT 11 KT ESTIMATED MINIMUM CENTRAL PRESSURE 977 MB MAX SUSTAINED WINDS 80 KT WITH GUSTS TO 100 KT. 64 KT....... 15NE 10SE 10SW 10NW. 50 KT....... 30NE 20SE 20SW 30NW. 34 KT....... 90NE 60SE 40SW 70NW. 12 FT SEAS..150NE 90SE 60SW 120NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 14.6N 59.5W AT 18/0900Z AT 18/0600Z CENTER WAS LOCATED NEAR 14.4N 59.0W FORECAST VALID 18/1800Z 15.1N 60.6W MAX WIND 90 KT...GUSTS 110 KT. 64 KT... 20NE 15SE 10SW 20NW. 50 KT... 40NE 30SE 20SW 30NW. 34 KT... 90NE 80SE 50SW 70NW. FORECAST VALID 19/0600Z 15.8N 62.0W MAX WIND 105 KT...GUSTS 130 KT. 64 KT... 25NE 20SE 15SW 20NW. 50 KT... 50NE 40SE 30SW 40NW. 34 KT...100NE 100SE 60SW 90NW. FORECAST VALID 19/1800Z 16.6N 63.4W MAX WIND 115 KT...GUSTS 140 KT. 64 KT... 30NE 25SE 25SW 25NW. 50 KT... 60NE 60SE 40SW 60NW. 34 KT...120NE 120SE 90SW 120NW. FORECAST VALID 20/0600Z 17.4N 64.8W MAX WIND 120 KT...GUSTS 145 KT. 50 KT... 70NE 60SE 50SW 70NW. 34 KT...120NE 120SE 90SW 120NW. FORECAST VALID 21/0600Z 19.0N 67.7W MAX WIND 115 KT...GUSTS 140 KT. 50 KT... 80NE 60SE 50SW 70NW. 34 KT...130NE 130SE 100SW 120NW. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM ON DAY 4 AND 200 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 22/0600Z 21.0N 70.4W MAX WIND 110 KT...GUSTS 135 KT. OUTLOOK VALID 23/0600Z 23.5N 72.0W MAX WIND 105 KT...GUSTS 130 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 14.6N 59.5W NEXT ADVISORY AT 18/1500Z $$ FORECASTER PASCH |