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Tropical Depression Grace Forecast Advisory Number 12
2021-08-16 10:47:42| National Hurricane Center (Atlantic)
Issued at 0900 UTC MON AUG 16 2021 000 WTNT22 KNHC 160847 TCMAT2 TROPICAL DEPRESSION GRACE FORECAST/ADVISORY NUMBER 12 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072021 0900 UTC MON AUG 16 2021 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WATCH IS IN EFFECT FOR... * ENTIRE COAST OF THE DOMINICAN REPUBLIC * ENTIRE COAST OF HAITI A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN 24 HOURS. INTERESTS ELSEWHERE IN CUBA...JAMAICA...AND THE CAYMAN ISLANDS SHOULD MONITOR THE PROGRESS OF GRACE. TROPICAL DEPRESSION CENTER LOCATED NEAR 17.4N 70.2W AT 16/0900Z POSITION ACCURATE WITHIN 40 NM PRESENT MOVEMENT TOWARD THE WEST OR 275 DEGREES AT 13 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1010 MB MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT. 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 17.4N 70.2W AT 16/0900Z AT 16/0600Z CENTER WAS LOCATED NEAR 17.2N 69.6W FORECAST VALID 16/1800Z 17.9N 72.2W MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 17/0600Z 18.6N 74.8W MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 17/1800Z 19.3N 77.4W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 90NE 70SE 0SW 80NW. FORECAST VALID 18/0600Z 20.1N 80.2W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 90NE 80SE 0SW 80NW. FORECAST VALID 18/1800Z 20.8N 83.3W MAX WIND 40 KT...GUSTS 50 KT. 34 KT...100NE 80SE 0SW 80NW. FORECAST VALID 19/0600Z 21.6N 86.3W MAX WIND 45 KT...GUSTS 55 KT. 34 KT...110NE 80SE 0SW 90NW. 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 20/0600Z 22.6N 91.8W MAX WIND 45 KT...GUSTS 55 KT. OUTLOOK VALID 21/0600Z 23.4N 96.2W MAX WIND 50 KT...GUSTS 60 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.4N 70.2W INTERMEDIATE PUBLIC ADVISORY...WTNT32 KNHC/MIATCPAT2...AT 16/1200Z NEXT ADVISORY AT 16/1500Z $$ FORECASTER LATTO
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