ZCZC MIATCMAT5 ALL
TTAA00 KNHC DDHHMM

HURRICANE MARIA FORECAST/ADVISORY NUMBER   9
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL152017
1500 UTC MON SEP 18 2017

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

A HURRICANE WARNING IS NOW IN EFFECT FOR THE U. S. VIRGIN ISLANDS.

THE METEOROLOGICAL SERVICE OF ANTIGUA HAS ISSUED A HURRICANE
WARNING FOR THE BRITISH VIRGIN ISLANDS...AND A TROPICAL STORM
WARNING FOR ANGUILLA.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A HURRICANE WARNING IS IN EFFECT FOR...
* GUADELOUPE
* DOMINICA
* ST. KITTS...NEVIS...AND MONTSERRAT
* MARTINIQUE
* ST. LUCIA
* U.S. VIRGIN ISLANDS
* BRITISH VIRGIN ISLANDS

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* ANTIGUA AND BARBUDA
* SABA AND ST. EUSTATIUS
* ST. MAARTEN
* ANGUILLA

A HURRICANE WATCH IS IN EFFECT FOR...
* PUERTO RICO...VIEQUES...AND CULEBRA
* 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
WARNINGS WILL LIKELY BE ISSUED FOR PUERTO RICO AND THE NEARBY
ISLANDS THIS AFTERNOON.

HURRICANE CENTER LOCATED NEAR 14.7N  60.1W AT 18/1500Z
POSITION ACCURATE WITHIN  15 NM

PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT   9 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  959 MB
EYE DIAMETER  10 NM
MAX SUSTAINED WINDS 105 KT WITH GUSTS TO 130 KT.
64 KT....... 15NE  15SE  15SW  15NW.
50 KT....... 30NE  30SE  30SW  30NW.
34 KT.......110NE  90SE  70SW  90NW.
12 FT SEAS..120NE  90SE  90SW 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 14.7N  60.1W AT 18/1500Z
AT 18/1200Z CENTER WAS LOCATED NEAR 14.5N  59.7W

FORECAST VALID 19/0000Z 15.1N  61.2W
MAX WIND 115 KT...GUSTS 140 KT.
64 KT... 20NE  15SE  15SW  20NW.
50 KT... 40NE  30SE  30SW  30NW.
34 KT...120NE  90SE  80SW  90NW.

FORECAST VALID 19/1200Z 15.9N  62.6W
MAX WIND 125 KT...GUSTS 150 KT.
64 KT... 25NE  20SE  20SW  20NW.
50 KT... 50NE  40SE  40SW  40NW.
34 KT...120NE 100SE  90SW 100NW.

FORECAST VALID 20/0000Z 16.8N  64.1W
MAX WIND 130 KT...GUSTS 160 KT.
64 KT... 30NE  25SE  25SW  25NW.
50 KT... 60NE  50SE  50SW  50NW.
34 KT...120NE 120SE  90SW 100NW.

FORECAST VALID 20/1200Z 17.6N  65.5W
MAX WIND 130 KT...GUSTS 160 KT.
50 KT... 70NE  60SE  50SW  60NW.
34 KT...130NE 130SE 100SW 120NW.

FORECAST VALID 21/1200Z 19.5N  68.5W
MAX WIND 125 KT...GUSTS 150 KT.
50 KT... 70NE  60SE  50SW  60NW.
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 22/1200Z 21.5N  71.0W
MAX WIND 120 KT...GUSTS 145 KT.

OUTLOOK VALID 23/1200Z 24.0N  72.5W
MAX WIND 110 KT...GUSTS 135 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 14.7N  60.1W

NEXT ADVISORY AT 18/2100Z

$$
FORECASTER BEVEN


NNNN