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Tropical Storm Grace Forecast Advisory Number 8
2021-08-15 10:54:52| National Hurricane Center (Atlantic)
Issued at 0900 UTC SUN AUG 15 2021 000 WTNT22 KNHC 150854 TCMAT2 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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