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Tropical Storm Isaias Forecast Advisory Number 19
2020-08-01 22:42:54| National Hurricane Center (Atlantic)
Issued at 2100 UTC SAT AUG 01 2020 262 WTNT24 KNHC 012042 TCMAT4 TROPICAL STORM ISAIAS FORECAST/ADVISORY NUMBER 19 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092020 2100 UTC SAT AUG 01 2020 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE TROPICAL STORM WATCH HAS BEEN EXTENDED NORTHWARD FROM ALTAMAHA SOUND GEORGIA TO SOUTH SANTEE RIVER SOUTH CAROLINA. THE HURRICANE WATCH FROM HALLANDALE BEACH TO SOUTH OF BOCA RATON FLORIDA HAS BEEN DISCONTINUED. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * BOCA RATON TO THE VOLUSIA/FLAGLER COUNTY LINE FLORIDA * NORTHWESTERN BAHAMAS A STORM SURGE WATCH IS IN EFFECT FOR... * JUPITER INLET TO PONTE VEDRA BEACH FLORIDA A TROPICAL STORM WARNING IS IN EFFECT FOR... * NORTH OF OCEAN REEF TO SOUTH OF BOCA RATON FLORIDA * LAKE OKEECHOBEE * VOLUSIA/FLAGLER COUNTY LINE TO PONTE VEDRA BEACH FLORIDA A TROPICAL STORM WATCH IS IN EFFECT FOR... * NORTH OF PONTE VEDRA BEACH FLORIDA TO SOUTH SANTEE RIVER SOUTH 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 TONIGHT AND SUNDAY. A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION. 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. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. TROPICAL STORM CENTER LOCATED NEAR 25.1N 78.7W AT 01/2100Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTHWEST OR 310 DEGREES AT 9 KT ESTIMATED MINIMUM CENTRAL PRESSURE 993 MB MAX SUSTAINED WINDS 60 KT WITH GUSTS TO 75 KT. 50 KT....... 40NE 30SE 0SW 30NW. 34 KT....... 90NE 50SE 0SW 90NW. 12 FT SEAS..150NE 45SE 0SW 90NW. 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 25.1N 78.7W AT 01/2100Z AT 01/1800Z CENTER WAS LOCATED NEAR 24.8N 78.3W FORECAST VALID 02/0600Z 26.1N 79.4W MAX WIND 65 KT...GUSTS 80 KT. 64 KT... 20NE 15SE 0SW 15NW. 50 KT... 40NE 30SE 20SW 30NW. 34 KT...100NE 70SE 30SW 100NW. FORECAST VALID 02/1800Z 27.4N 80.1W MAX WIND 65 KT...GUSTS 80 KT. 64 KT... 20NE 15SE 0SW 15NW. 50 KT... 40NE 30SE 0SW 30NW. 34 KT...100NE 70SE 30SW 100NW. FORECAST VALID 03/0600Z 28.8N 80.7W MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 40NE 30SE 0SW 30NW. 34 KT...100NE 70SE 30SW 80NW. FORECAST VALID 03/1800Z 30.7N 80.6W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 40NE 30SE 20SW 30NW. 34 KT...100NE 80SE 30SW 80NW. FORECAST VALID 04/0600Z 33.4N 79.1W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 50NE 50SE 0SW 30NW. 34 KT...100NE 100SE 30SW 60NW. FORECAST VALID 04/1800Z 37.4N 76.3W...INLAND MAX WIND 45 KT...GUSTS 55 KT. 34 KT...110NE 110SE 40SW 60NW. 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 05/1800Z 45.4N 68.0W...POST-TROP/EXTRATROP MAX WIND 45 KT...GUSTS 55 KT. OUTLOOK VALID 06/1800Z 50.7N 57.9W...POST-TROP/EXTRATROP MAX WIND 40 KT...GUSTS 50 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 25.1N 78.7W INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 02/0000Z NEXT ADVISORY AT 02/0300Z $$ FORECASTER STEWART
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