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Tropical Storm Isaias Forecast Advisory Number 21
2020-08-02 10:56:07| National Hurricane Center (Atlantic)
Issued at 0900 UTC SUN AUG 02 2020 000 WTNT24 KNHC 020855 TCMAT4 TROPICAL STORM ISAIAS FORECAST/ADVISORY NUMBER 21 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092020 0900 UTC SUN AUG 02 2020 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE HURRICANE WARNING ALONG THE EAST COAST OF FLORIDA HAS BEEN REPLACED WITH A TROPICAL STORM WARNING. THE TROPICAL STORM WARNING HAS BEEN EXTENDED NORTHWARD ALONG THE SOUTHEAST UNITED STATES COAST TO SOUTH SANTEE RIVER SOUTH CAROLINA. A STORM SURGE WATCH HAS BEEN ISSUED FROM EDISTO BEACH SOUTH CAROLINA NORTHWARD TO CAPE FEAR NORTH CAROLINA. THE TROPICAL STORM WATCH HAS BEEN EXTENDED NORTHWARD TO SURF CITY... NORTH CAROLINA. THE TROPICAL STORM WARNING ALONG THE COAST OF FLORIDA HAS BEEN DISCONTINUED SOUTH OF HALLANDALE BEACH. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * BIMINI...THE BERRY ISLANDS...AND GRAND BAHAMA ISLAND A STORM SURGE WATCH IS IN EFFECT FOR... * JUPITER INLET TO PONTE VEDRA BEACH FLORIDA * EDISTO BEACH SOUTH CAROLINA TO CAPE FEAR NORTH CAROLINA A TROPICAL STORM WARNING IS IN EFFECT FOR... * HALLANDALE BEACH FLORIDA TO SOUTH SANTEE RIVER SOUTH CAROLINA * LAKE OKEECHOBEE A TROPICAL STORM WATCH IS IN EFFECT FOR... * NORTH OF SOUTH SANTEE RIVER SOUTH CAROLINA TO SURF CITY NORTH CAROLINA INTERESTS ELSEWHERE ALONG THE SOUTHEAST AND MID-ATLANTIC COASTS OF THE UNITED STATES SHOULD MONITOR THE PROGRESS OF ISAIAS. ADDITIONAL WATCHES OR WARNINGS MAY BE REQUIRED LATER TODAY. A STORM SURGE WATCH MEANS THERE IS A POSSIBILITY OF LIFE- THREATENING INUNDATION...FROM RISING WATER MOVING INLAND FROM THE COASTLINE...IN THE INDICATED LOCATIONS DURING THE NEXT 48 HOURS. FOR A DEPICTION OF AREAS AT RISK...PLEASE SEE THE NATIONAL WEATHER SERVICE STORM SURGE WATCH/WARNING GRAPHIC...AVAILABLE AT HURRICANES.GOV. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...GENERALLY WITHIN 36 HOURS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. TROPICAL STORM CENTER LOCATED NEAR 26.3N 79.5W AT 02/0900Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTHWEST OR 325 DEGREES AT 8 KT ESTIMATED MINIMUM CENTRAL PRESSURE 996 MB MAX SUSTAINED WINDS 55 KT WITH GUSTS TO 65 KT. 50 KT....... 60NE 30SE 0SW 0NW. 34 KT.......100NE 80SE 0SW 60NW. 12 FT SEAS..150NE 90SE 30SW 75NW. 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 26.3N 79.5W AT 02/0900Z AT 02/0600Z CENTER WAS LOCATED NEAR 25.9N 79.2W FORECAST VALID 02/1800Z 27.4N 80.1W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 60NE 30SE 0SW 20NW. 34 KT...100NE 80SE 0SW 60NW. FORECAST VALID 03/0600Z 28.8N 80.6W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 60NE 30SE 0SW 20NW. 34 KT...100NE 80SE 0SW 60NW. FORECAST VALID 03/1800Z 30.7N 80.6W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 60NE 40SE 0SW 20NW. 34 KT...100NE 80SE 30SW 60NW. FORECAST VALID 04/0600Z 33.7N 79.1W...INLAND MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 40NE 40SE 0SW 0NW. 34 KT...100NE 100SE 30SW 40NW. FORECAST VALID 04/1800Z 37.8N 76.4W...INLAND MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 30NE 30SE 0SW 0NW. 34 KT...100NE 110SE 30SW 40NW. FORECAST VALID 05/0600Z 42.9N 72.4W...INLAND MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 50NE 110SE 0SW 0NW. 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 06/0600Z 50.0N 65.0W...POST-TROP/INLAND MAX WIND 30 KT...GUSTS 40 KT. OUTLOOK VALID 07/0600Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 26.3N 79.5W INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 02/1200Z NEXT ADVISORY AT 02/1500Z $$ FORECASTER BROWN
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