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Tropical Storm Henri Forecast Advisory Number 22
2021-08-21 10:53:20| National Hurricane Center (Atlantic)
Issued at 0900 UTC SAT AUG 21 2021 886 WTNT23 KNHC 210853 TCMAT3 TROPICAL STORM HENRI FORECAST/ADVISORY NUMBER 22 NWS NATIONAL HURRICANE CENTER MIAMI FL AL082021 0900 UTC SAT AUG 21 2021 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE HURRICANE WATCH EAST OF WESTPORT MASSACHUSETTS HAS BEEN DISCONTINUED...INCLUDING MARTHA'S VINEYARD AND NANTUCKET. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A STORM SURGE WARNING IS IN EFFECT FOR... * SOUTH SHORE OF LONG ISLAND FROM MASTIC BEACH TO MONTAUK POINT NEW YORK * NORTH SHORE OF LONG ISLAND FROM MONTAUK POINT TO FLUSHING NEW YORK * FLUSHING NEW YORK TO CHATHAM MASSACHUSETTS * NANTUCKET...MARTHA'S VINEYARD...AND BLOCK ISLAND A STORM SURGE WATCH IS IN EFFECT FOR... * EAST ROCKAWAY INLET TO MASTIC NEW YORK * NORTH OF CHATHAM MASSACHUSETTS TO SAGAMORE BEACH MASSACHUSETTS * CAPE COD BAY A HURRICANE WARNING IS IN EFFECT FOR... * SOUTH SHORE OF LONG ISLAND FROM FIRE ISLAND INLET TO MONTAUK POINT * NORTH SHORE OF LONG ISLAND FROM PORT JEFFERSON HARBOR TO MONTAUK POINT * NEW HAVEN CONNECTICUT TO WEST OF WATCH HILL RHODE ISLAND A HURRICANE WATCH IS IN EFFECT FOR... * WATCH HILL RHODE ISLAND TO WESTPORT MASSACHUSETTS * BLOCK ISLAND A TROPICAL STORM WARNING IS IN EFFECT FOR... * PORT JEFFERSON HARBOR TO WEST OF NEW HAVEN CONNECTICUT * SOUTH SHORE OF LONG ISLAND FROM WEST OF FIRE ISLAND INLET TO EAST ROCKAWAY INLET * WATCH HILL RHODE ISLAND TO WOODS HOLE MASSACHUSETTS INCLUDING BLOCK ISLAND AND MARTHA'S VINEYARD. * COASTAL NEW YORK AND NEW JERSEY WEST OF EAST ROCKAWAY INLET TO MANASQUAN INLET...INCLUDING NEW YORK CITY 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...AVAILABLE 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 HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA. A WARNING IS TYPICALLY ISSUED 36 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM- FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. 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 WITHIN 36 HOURS. 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. INTERESTS ELSEWHERE IN THE NORTHEASTERN U.S. SHOULD MONITOR THE PROGRESS OF HENRI. TROPICAL STORM CENTER LOCATED NEAR 33.1N 73.2W AT 21/0900Z POSITION ACCURATE WITHIN 25 NM PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 15 DEGREES AT 10 KT ESTIMATED MINIMUM CENTRAL PRESSURE 996 MB MAX SUSTAINED WINDS 60 KT WITH GUSTS TO 75 KT. 50 KT....... 50NE 50SE 0SW 0NW. 34 KT....... 90NE 100SE 50SW 70NW. 12 FT SEAS..180NE 180SE 60SW 120NW. 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 33.1N 73.2W AT 21/0900Z AT 21/0600Z CENTER WAS LOCATED NEAR 32.5N 73.4W FORECAST VALID 21/1800Z 35.6N 72.3W MAX WIND 70 KT...GUSTS 85 KT. 64 KT... 20NE 25SE 0SW 0NW. 50 KT... 50NE 50SE 0SW 0NW. 34 KT...100NE 110SE 90SW 50NW. FORECAST VALID 22/0600Z 38.8N 72.0W MAX WIND 70 KT...GUSTS 85 KT. 64 KT... 20NE 25SE 0SW 0NW. 50 KT... 50NE 60SE 20SW 20NW. 34 KT...110NE 130SE 90SW 50NW. FORECAST VALID 22/1800Z 40.9N 72.7W...INLAND OVER LONG ISLAND MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 50NE 60SE 30SW 20NW. 34 KT... 90NE 120SE 80SW 60NW. FORECAST VALID 23/0600Z 42.1N 73.6W...INLAND MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 40NE 80SE 30SW 30NW. FORECAST VALID 23/1800Z 42.8N 73.3W...POST-TROP/INLAND MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 24/0600Z 43.3N 71.5W...POST-TROP/INLAND 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 25/0600Z 44.5N 62.5W...POST-TROPICAL MAX WIND 25 KT...GUSTS 35 KT. OUTLOOK VALID 26/0600Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 33.1N 73.2W INTERMEDIATE PUBLIC ADVISORY...WTNT33 KNHC/MIATCPAT3...AT 21/1200Z NEXT ADVISORY AT 21/1500Z $$ FORECASTER BROWN
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