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| #1057841 (Received by flhurricane at: 10:44 AM 20.Aug.2021) TCMAT3 TROPICAL STORM HENRI FORECAST/ADVISORY NUMBER 19 NWS NATIONAL HURRICANE CENTER MIAMI FL AL082021 1500 UTC FRI AUG 20 2021 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE STORM SURGE WATCH HAS BEEN EXTENDED SLIGHTLY WESTWARD TO FLUSHING NEW YORK...INCLUDING ADJACENT AREAS OF WESTERN LONG ISLAND SOUND AND THE EAST RIVER. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A STORM SURGE WATCH IS IN EFFECT FOR... * SOUTH SHORE OF LONG ISLAND FROM EAST ROCKAWAY INLET TO MONTAUK * NORTH SHORE OF LONG ISLAND FROM KINGS POINT TO MONTAUK * FLUSHING NEW YORK TO SAGAMORE BEACH MASSACHUSETTS * NANTUCKET...MARTHA'S VINEYARD...AND BLOCK ISLAND A HURRICANE WATCH IS IN EFFECT FOR... * SOUTH SHORE OF LONG ISLAND FROM FIRE ISLAND INLET TO MONTAUK * NORTH SHORE OF LONG ISLAND FROM PORT JEFFERSON HARBOR TO MONTAUK * NEW HAVEN CONNECTICUT TO SAGAMORE BEACH MASSACHUSETTS * NANTUCKET...MARTHA'S VINEYARD...AND BLOCK ISLAND A TROPICAL STORM WATCH IS IN EFFECT FOR... * WEST OF FIRE ISLAND INLET TO EAST ROCKAWAY INLET NEW YORK * WEST OF PORT JEFFERSON HARBOR NEW YORK * WEST OF NEW HAVEN CONNECTICUT 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 HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. INTERESTS ELSEWHERE IN THE NORTHEASTERN U.S. AND ATLANTIC CANADA SHOULD MONITOR THE PROGRESS OF HENRI. ADDITIONAL WATCHES OR WARNINGS WILL LIKELY BE REQUIRED LATER TODAY. TROPICAL STORM CENTER LOCATED NEAR 30.4N 73.7W AT 20/1500Z POSITION ACCURATE WITHIN 25 NM PRESENT MOVEMENT TOWARD THE NORTHWEST OR 305 DEGREES AT 6 KT ESTIMATED MINIMUM CENTRAL PRESSURE 996 MB MAX SUSTAINED WINDS 55 KT WITH GUSTS TO 65 KT. 50 KT....... 50NE 50SE 0SW 0NW. 34 KT....... 80NE 80SE 40SW 60NW. 12 FT SEAS..150NE 90SE 60SW 150NW. 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 30.4N 73.7W AT 20/1500Z AT 20/1200Z CENTER WAS LOCATED NEAR 30.1N 73.6W FORECAST VALID 21/0000Z 31.5N 73.7W MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 50NE 50SE 0SW 0NW. 34 KT... 90NE 100SE 70SW 50NW. FORECAST VALID 21/1200Z 34.1N 72.7W MAX WIND 70 KT...GUSTS 85 KT. 64 KT... 0NE 25SE 0SW 0NW. 50 KT... 50NE 60SE 20SW 20NW. 34 KT...100NE 120SE 80SW 50NW. FORECAST VALID 22/0000Z 37.3N 71.8W MAX WIND 75 KT...GUSTS 90 KT. 64 KT... 20NE 25SE 10SW 0NW. 50 KT... 50NE 60SE 30SW 20NW. 34 KT...100NE 130SE 95SW 60NW. FORECAST VALID 22/1200Z 39.8N 71.7W MAX WIND 65 KT...GUSTS 80 KT. 64 KT... 20NE 25SE 15SW 0NW. 50 KT... 40NE 50SE 30SW 30NW. 34 KT... 80NE 100SE 80SW 60NW. FORECAST VALID 23/0000Z 41.4N 71.8W...INLAND MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 20NE 40SE 20SW 0NW. 34 KT... 60NE 80SE 60SW 30NW. FORECAST VALID 23/1200Z 42.4N 71.8W...INLAND MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 50NE 50SE 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 24/1200Z 43.7N 69.4W...POST-TROPICAL MAX WIND 35 KT...GUSTS 45 KT. OUTLOOK VALID 25/1200Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 30.4N 73.7W INTERMEDIATE PUBLIC ADVISORY...WTNT33 KNHC/MIATCPAT3...AT 20/1800Z NEXT ADVISORY AT 20/2100Z $$ FORECASTER CANGIALOSI |
