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Post-Tropical Cyclone HERMINE Public Advisory Number 25
2016-09-03 16:53:38| National Hurricane Center (Atlantic)
Issued at 1100 AM EDT SAT SEP 03 2016 000 WTNT34 KNHC 031453 TCPAT4 BULLETIN POST-TROPICAL CYCLONE HERMINE ADVISORY NUMBER 25 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092016 1100 AM EDT SAT SEP 03 2016 ...HERMINE STRENGTHENS AS IT MOVES INTO THE ATLANTIC... ...DANGEROUS STORM SURGE EXPECTED ALONG THE COAST FROM VIRGINIA TO NEW JERSEY... SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...36.1N 75.2W ABOUT 35 MI...55 KM ESE OF DUCK NORTH CAROLINA ABOUT 80 MI...135 KM SE OF NORFOLK VIRGINIA MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...ENE OR 60 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...993 MB...29.33 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Tropical Storm Warning has been extended northward and eastward from Sandy Hook, New Jersey, to west of Watch Hill, Rhode Island, including Long Island, Long Island Sound, and New York City. A Tropical Storm Watch has been issued from Watch Hill, Rhode Island, to Sagamore Beach, Massachusetts, including Block Island, Martha's Vineyard, Nantucket, and Cape Cod. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Ocracoke Inlet to west of Watch Hill * Pamlico and Albemarle Sounds * Chesapeake Bay from Drum Point southward * Tidal Potomac from Cobb Island eastward * Delaware Bay A Tropical Storm Watch is in effect for... * Watch Hill to Sagamore Beach * Block Island * Martha's Vineyard * Nantucket A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, in this case within 36 to 48 hours. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ Satellite imagery indicates that Hermine has lost tropical characteristics, and is now a post-tropical cyclone. At 1100 AM EDT (1500 UTC), the center of Post-Tropical Cyclone Hermine was located just offshore of the North Carolina Outer Banks near latitude 36.1 North, longitude 75.2 West. Hermine is moving toward the east- northeast near 15 mph (24 km/h). A turn toward the northeast and a decrease in forward speed are expected by tonight, followed by a slow northward motion through early Monday. On the forecast track, the center of Hermine will move away from the North Carolina coast and meander offshore of the Delmarva Peninsula Sunday night and early Monday. Maximum sustained winds are near 65 mph (100 km/h) with higher gusts. Some strengthening is forecast during the next 24 hours, and Hermine is expected to be near hurricane intensity on Sunday. Tropical-storm-force winds extend outward up to 205 miles (335 km) from the center. A National Ocean Service station at the Duck Pier in North Carolina recently reported a sustained wind of 58 mph (94 km/h) and a wind gust of 73 mph (117 km/h). Elizabeth City, North Carolina, recently reported a sustained wind of 44 mph (70 km/h) and a wind gust of 55 mph (89 km/h). The estimated minimum central pressure is 993 mb (29.33 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions will continue to spread northward within the warning area along the Atlantic coast through Sunday. Tropical storm conditions are possible in the watch area by late Sunday or Sunday night. STORM SURGE: The combination of a storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline. Along the immediate coastline, the surge will be accompanied by large and dangerous waves. There is a danger of life-threatening inundation during the next few hours in the Hampton Roads area, and in the next 36 hours from Chincoteague, Virginia, to Sandy Hook, New Jersey. Persons within these areas should take all necessary actions to protect life and property from rising water. Promptly follow all instructions, including evacuation orders, from local officials. There is also the possibility of life-threatening inundation during the next 48 hours at many coastal locations between Sandy Hook, New Jersey, and Bridgeport, Connecticut. For a depiction of areas at risk, please see the Prototype Storm Surge Watch/Warning graphic, which displays areas that would qualify for inclusion under a storm surge watch or warning currently under development by the National Weather Service and planned for operational use in 2017. The Prototype Graphic is available at www.hurricanes.gov/graphics_at4.shtml?wsurge The water could reach the following heights above ground if the peak surge occurs at the time of high tide... North Carolina coast...1 to 3 feet Hampton Roads area...3 to 5 feet Chincoteague, VA to Sandy Hook, NJ...3 to 5 feet Sandy Hook, NJ to Bridgeport, CT...2 to 4 feet RAINFALL: Hermine is expected to produce total rainfall accumulations of 4 to 7 inches over far southeastern Virginia and the Atlantic coastal portion of Maryland through Monday morning. Hermine is expected to produce total rainfall accumulations of 1 to 4 inches over southern Delaware, southern and eastern New Jersey, and Long Island through Monday morning. SURF: Large waves generated by Hermine will affect the U.S. east coast from the mid-Atlantic states and expand northward along the coast of southern New England through the weekend. These waves are likely to cause life-threatening surf and rip current conditions, and significant beach erosion. Please consult products from your local weather office. NEXT ADVISORY ------------- Next intermediate advisory at 200 PM EDT. Next complete advisory at 500 PM EDT. $$ Forecaster Brennan
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