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Tropical Storm MARIA (Text)


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TROPICAL STORM MARIA FORECAST/ADVISORY NUMBER   4
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL152017
0900 UTC SUN SEP 17 2017
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
THE GOVERNMENT OF BARBADOS HAS CHANGED THE TROPICAL STORM WATCH FOR
DOMINICA TO A HURRICANE WATCH.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT... 
 
A HURRICANE WATCH IS IN EFFECT FOR...
* ANTIGUA... BARBUDA... ST. KITTS... NEVIS... AND MONTSERRAT
* GUADELOUPE
* DOMINICA
* SABA AND ST. EUSTATIUS
* ST. MAARTEN
* ANGUILLA
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* ST. LUCIA
* MARTINIQUE
* BARBADOS
* ST. VINCENT AND THE GRENADINES
 
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 BRITISH AND U. S.
VIRGIN ISLANDS SHOULD MONITOR THE PROGRESS OF THIS SYSTEM.
ADDITIONAL TROPICAL STORM OR HURRICANE WATCHES AND WARNINGS WILL
LIKELY BE ISSUED TODAY.
 
TROPICAL STORM CENTER LOCATED NEAR 13.0N  54.9W AT 17/0900Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 290 DEGREES AT  13 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  994 MB
MAX SUSTAINED WINDS  55 KT WITH GUSTS TO  65 KT.
50 KT....... 20NE  20SE   0SW  20NW.
34 KT....... 50NE  40SE   0SW  50NW.
12 FT SEAS..120NE  30SE   0SW  90NW.
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 13.0N  54.9W AT 17/0900Z
AT 17/0600Z CENTER WAS LOCATED NEAR 12.8N  54.3W
 
FORECAST VALID 17/1800Z 13.7N  56.5W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 15NE   0SE   0SW   0NW.
50 KT... 30NE  20SE   0SW  30NW.
34 KT... 70NE  40SE  30SW  60NW.
 
FORECAST VALID 18/0600Z 14.5N  58.3W
MAX WIND  75 KT...GUSTS  90 KT.
64 KT... 20NE   0SE   0SW   0NW.
50 KT... 40NE  20SE  20SW  30NW.
34 KT... 80NE  40SE  30SW  70NW.
 
FORECAST VALID 18/1800Z 15.2N  60.0W
MAX WIND  85 KT...GUSTS 105 KT.
64 KT... 20NE  15SE  10SW  15NW.
50 KT... 40NE  20SE  20SW  30NW.
34 KT... 80NE  60SE  40SW  70NW.
 
FORECAST VALID 19/0600Z 15.8N  61.3W
MAX WIND  95 KT...GUSTS 115 KT.
50 KT... 40NE  20SE  20SW  30NW.
34 KT... 90NE  70SE  50SW  70NW.
 
FORECAST VALID 20/0600Z 17.0N  64.0W
MAX WIND 110 KT...GUSTS 135 KT.
50 KT... 50NE  40SE  30SW  40NW.
34 KT...110NE  90SE  60SW  90NW.
 
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 21/0600Z 18.4N  67.0W...INLAND
MAX WIND 100 KT...GUSTS 120 KT.
 
OUTLOOK VALID 22/0600Z 19.5N  69.5W...OVER WATER
MAX WIND 105 KT...GUSTS 130 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 13.0N  54.9W
 
NEXT ADVISORY AT 17/1500Z
 
$$
FORECASTER PASCH
 
 
NNNN

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Page last modified: Thursday, 19-Oct-2017 12:09:38 UTC