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Tropical Storm Isaias Forecast Advisory Number 30
2020-08-04 16:41:34| National Hurricane Center (Atlantic)
Issued at 1500 UTC TUE AUG 04 2020 000 WTNT24 KNHC 041441 TCMAT4 TROPICAL STORM ISAIAS FORECAST/ADVISORY NUMBER 30 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092020 1500 UTC TUE AUG 04 2020 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE TROPICAL STORM WARNING HAS BEEN DISCONTINUED SOUTH OF DUCK...NORTH CAROLINA...INCLUDING THE PAMLICO AND ALBEMARLE SOUNDS. THE STORM SURGE WARNING HAS BEEN DISCONTINUED. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * NORTH OF DUCK NORTH CAROLINA TO EASTPORT MAINE * CHESAPEAKE BAY * TIDAL POTOMAC RIVER * DELAWARE BAY * LONG ISLAND AND LONG ISLAND SOUND * MARTHA'S VINEYARD...NANTUCKET...AND BLOCK ISLAND A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN THE NEXT 12 TO 18 HOURS. TROPICAL STORM CENTER LOCATED NEAR 39.1N 76.1W AT 04/1500Z POSITION ACCURATE WITHIN 25 NM PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 20 DEGREES AT 30 KT ESTIMATED MINIMUM CENTRAL PRESSURE 993 MB MAX SUSTAINED WINDS 60 KT WITH GUSTS TO 80 KT. 50 KT....... 60NE 60SE 0SW 0NW. 34 KT.......110NE 120SE 40SW 40NW. 12 FT SEAS..180NE 180SE 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 39.1N 76.1W AT 04/1500Z AT 04/1200Z CENTER WAS LOCATED NEAR 37.7N 76.8W FORECAST VALID 05/0000Z 43.2N 73.8W...INLAND MAX WIND 50 KT...GUSTS 65 KT. 50 KT... 40NE 70SE 20SW 0NW. 34 KT...120NE 180SE 40SW 40NW. FORECAST VALID 05/1200Z 48.2N 71.7W...POST-TROP/INLAND MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 0NE 180SE 0SW 0NW. FORECAST VALID 06/0000Z 52.0N 71.1W...POST-TROP/EXTRATROP MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 06/1200Z 53.6N 69.5W...POST-TROP/EXTRATROP MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 07/0000Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 39.1N 76.1W INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 04/1800Z NEXT ADVISORY AT 04/2100Z $$ FORECASTER STEWART
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