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Tropical Storm Isaias Forecast Advisory Number 25
2020-08-03 10:55:49| National Hurricane Center (Atlantic)
Issued at 0900 UTC MON AUG 03 2020 000 WTNT24 KNHC 030855 TCMAT4 TROPICAL STORM ISAIAS FORECAST/ADVISORY NUMBER 25 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092020 0900 UTC MON AUG 03 2020 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... A HURRICANE WARNING HAS BEEN ISSUED FROM SOUTH SANTEE RIVER SOUTH CAROLINA TO SURF CITY NORTH CAROLINA. THE TROPICAL STORM WARNING HAS BEEN EXTENDED NORTHWARD TO WEST OF WATCH HILL RHODE ISLAND...INCLUDING THE TIDAL POTOMAC SOUTH OF COBB ISLAND...CHESAPEAKE BAY SOUTH OF NORTH BEACH...DELAWARE BAY... LONG ISLAND...AND LONG ISLAND SOUND. THE TROPICAL STORM WATCH HAS BEEN EXTENDED NORTHWARD TO STONINGTON... MAINE...INCLUDING MARTHA'S VINEYARD...NANTUCKET...AND BLOCK ISLAND. THE TROPICAL STORM WARNING HAS BEEN DISCONTINUED SOUTH OF THE FLAGLER/VOLUSIA COUNTY LINE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A STORM SURGE WARNING IS IN EFFECT FOR... * EDISTO BEACH SOUTH CAROLINA TO CAPE FEAR NORTH CAROLINA A STORM SURGE WATCH IS IN EFFECT FOR... * CAPE FEAR TO DUCK NORTH CAROLINA * PAMLICO AND ALBEMARLE SOUNDS A HURRICANE WARNING IS IN EFFECT FOR... * SOUTH SANTEE RIVER SOUTH CAROLINA TO SURF CITY NORTH CAROLINA A TROPICAL STORM WARNING IS IN EFFECT FOR... * FLAGLER/VOLUSIA COUNTY LINE FLORIDA TO SOUTH SANTEE RIVER SOUTH CAROLINA * NORTH OF SURF CITY NORTH CAROLINA TO WEST OF WATCH HILL RHODE ISLAND * CHESAPEAKE BAY SOUTH OF NORTH BEACH * TIDAL POTOMAC RIVER SOUTH OF COBB ISLAND * DELAWARE BAY * LONG ISLAND AND LONG ISLAND SOUND * PAMLICO AND ALBEMARLE SOUNDS A TROPICAL STORM WATCH IS IN EFFECT FOR... * WATCH HILL RHODE ISLAND TO STONINGTON...MAINE * MARTHA'S VINEYARD...NANTUCKET...AND BLOCK ISLAND INTERESTS ELSEWHERE ALONG THE NORTHEAST COAST OF THE UNITED STATES SHOULD MONITOR THE PROGRESS OF ISAIAS. ADDITIONAL WATCHES OR WARNINGS MAY BE REQUIRED LATER TODAY. A STORM SURGE WARNING MEANS THERE IS A DANGER OF LIFE-THREATENING INUNDATION...FROM RISING WATER MOVING INLAND FROM THE COASTLINE...DURING THE NEXT 36 HOURS IN THE INDICATED LOCATIONS. FOR A DEPICTION OF AREAS AT RISK...PLEASE SEE THE NATIONAL WEATHER SERVICE STORM SURGE WATCH/WARNING GRAPHIC AT HURRICANES.GOV. THIS IS A LIFE-THREATENING SITUATION. PERSONS LOCATED WITHIN THESE AREAS SHOULD TAKE ALL NECESSARY ACTIONS TO PROTECT LIFE AND PROPERTY FROM RISING WATER AND THE POTENTIAL FOR OTHER DANGEROUS CONDITIONS. PROMPTLY FOLLOW EVACUATION AND OTHER INSTRUCTIONS FROM LOCAL OFFICIALS. 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. A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 24 HOURS. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION. 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 29.7N 79.9W AT 03/0900Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTH OR 355 DEGREES AT 8 KT ESTIMATED MINIMUM CENTRAL PRESSURE 994 MB MAX SUSTAINED WINDS 60 KT WITH GUSTS TO 75 KT. 50 KT....... 50NE 30SE 0SW 20NW. 34 KT.......100NE 110SE 0SW 60NW. 12 FT SEAS..120NE 120SE 45SW 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 29.7N 79.9W AT 03/0900Z AT 03/0600Z CENTER WAS LOCATED NEAR 29.0N 79.9W FORECAST VALID 03/1800Z 31.3N 79.6W MAX WIND 65 KT...GUSTS 80 KT. 64 KT... 25NE 0SE 0SW 0NW. 50 KT... 50NE 40SE 0SW 20NW. 34 KT...100NE 120SE 0SW 60NW. FORECAST VALID 04/0600Z 34.8N 78.1W...INLAND MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 50NE 40SE 0SW 20NW. 34 KT...110NE 140SE 0SW 60NW. FORECAST VALID 04/1800Z 39.4N 75.2W...INLAND MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 50NE 60SE 0SW 0NW. 34 KT...110NE 130SE 0SW 40NW. FORECAST VALID 05/0600Z 44.4N 71.5W...INLAND MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 0NE 120SE 0SW 0NW. FORECAST VALID 05/1800Z 48.6N 68.0W...POST-TROP/EXTRATROP MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 06/0600Z 52.0N 65.0W...POST-TROP/EXTRATROP MAX WIND 25 KT...GUSTS 35 KT. 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 07/0600Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 29.7N 79.9W INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 03/1200Z NEXT ADVISORY AT 03/1500Z $$ FORECASTER BROWN
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