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Hurricane MARIA


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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
 
 
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