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Tropical Storm Grace Forecast Advisory Number 9
2021-08-15 16:46:29| National Hurricane Center (Atlantic)
Issued at 1500 UTC SUN AUG 15 2021 000 WTNT22 KNHC 151446 TCMAT2 TROPICAL STORM GRACE FORECAST/ADVISORY NUMBER 9 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072021 1500 UTC SUN AUG 15 2021 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * 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 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 17.2N 66.0W AT 15/1500Z POSITION ACCURATE WITHIN 50 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 17.2N 66.0W AT 15/1500Z AT 15/1200Z CENTER WAS LOCATED NEAR 17.0N 65.3W FORECAST VALID 16/0000Z 17.8N 67.8W MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 40NE 30SE 0SW 30NW. FORECAST VALID 16/1200Z 18.5N 69.7W...INLAND MAX WIND 45 KT...GUSTS 55 KT. 34 KT... 50NE 50SE 0SW 20NW. FORECAST VALID 17/0000Z 19.3N 71.7W...INLAND MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 17/1200Z 20.3N 74.0W...OVER WATER MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 50NE 50SE 0SW 50NW. FORECAST VALID 18/0000Z 21.3N 76.6W...NEAR N. COAST CUBA MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 50NE 50SE 0SW 50NW. FORECAST VALID 18/1200Z 22.3N 79.4W...INLAND MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 50NE 50SE 0SW 50NW. 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 19/1200Z 24.6N 84.7W...OVER WATER MAX WIND 45 KT...GUSTS 55 KT. OUTLOOK VALID 20/1200Z 26.5N 89.0W MAX WIND 55 KT...GUSTS 65 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.2N 66.0W INTERMEDIATE PUBLIC ADVISORY...WTNT32 KNHC/MIATCPAT2...AT 15/1800Z NEXT ADVISORY AT 15/2100Z $$ FORECASTER PASCH
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