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TROPICAL STORM GRACE FORECAST/ADVISORY NUMBER   8
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL072021
0900 UTC SUN AUG 15 2021
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
THE GOVERNMENT OF THE DOMINICAN REPUBLIC HAS ISSUED A TROPICAL
STORM WARNING FROM CABO CAUCEDO TO THE SOUTHERN HAITIAN BORDER.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* SABA AND SINT EUSTATIUS
* SINT MAARTEN
* ST. MARTIN AND ST. BARTHELEMY
* U.S. VIRGIN ISLANDS
* PUERTO RICO...INCLUDING VIEQUES AND CULEBRA
* DOMINICAN REPUBLIC FROM THE SOUTHERN HAITIAN BORDER TO SAMANA
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* NORTH COAST OF THE DOMINICAN REPUBLIC FROM THE HAITIAN BORDER TO
SAMANA
* ENTIRE COAST OF HAITI
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA.
 
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS.
 
INTERESTS ELSEWHERE IN THE DOMINICAN REPUBLIC...HAITI...THE TURKS 
AND CAICOS ISLANDS...THE SOUTHEASTERN BAHAMAS...AND CUBA SHOULD 
MONITOR THE PROGRESS OF GRACE.  ADDITIONAL WATCHES AND WARNINGS 
COULD BE REQUIRED FOR SOME OF THESE AREAS LATER TODAY.
 
TROPICAL STORM CENTER LOCATED NEAR 16.9N  64.4W AT 15/0900Z
POSITION ACCURATE WITHIN  40 NM
 
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT  14 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1010 MB
MAX SUSTAINED WINDS  35 KT WITH GUSTS TO  45 KT.
34 KT....... 30NE   0SE   0SW  30NW.
12 FT SEAS.. 30NE   0SE   0SW   0NW.
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 16.9N  64.4W AT 15/0900Z
AT 15/0600Z CENTER WAS LOCATED NEAR 16.7N  63.7W
 
FORECAST VALID 15/1800Z 17.5N  66.6W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 40NE   0SE   0SW  30NW.
 
FORECAST VALID 16/0600Z 18.3N  68.9W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 70NE  30SE   0SW  40NW.
 
FORECAST VALID 16/1800Z 18.9N  70.6W...INLAND OVER HISPANIOLA
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 80NE  60SE   0SW  40NW.
 
FORECAST VALID 17/0600Z 19.8N  72.6W...INLAND OVER HISPANIOLA
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 80NE   0SE   0SW  60NW.
 
FORECAST VALID 17/1800Z 20.9N  75.3W...OVER WATER
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 80NE   0SE   0SW  60NW.
 
FORECAST VALID 18/0600Z 22.0N  78.0W...NEAR COAST OF CUBA
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 90NE   0SE   0SW  70NW.
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY
 
OUTLOOK VALID 19/0600Z 23.9N  82.5W
MAX WIND  40 KT...GUSTS  50 KT.
 
OUTLOOK VALID 20/0600Z 25.6N  86.2W
MAX WIND  45 KT...GUSTS  55 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 16.9N  64.4W
 
INTERMEDIATE PUBLIC ADVISORY...WTNT32 KNHC/MIATCPAT2...AT 15/1200Z
 
NEXT ADVISORY AT 15/1500Z
 
$$
FORECASTER LATTO
 
 
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