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| #981049 (Received by flhurricane at: 1:57 AM 05.Sep.2019) TCPAT5 BULLETIN Hurricane Dorian Intermediate Advisory Number 47A NWS National Hurricane Center Miami FL AL052019 200 AM EDT Thu Sep 05 2019 ...DORIAN EXPECTED TO BRING DAMAGING WINDS AND LIFE-THREATENING STORM SURGES ALONG A LARGE PORTION OF THE SOUTHEAST AND MID-ATLANTIC COASTS OF THE UNITED STATES DURING THE NEXT COUPLE OF DAYS... SUMMARY OF 200 AM EDT...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...31.4N 79.6W ABOUT 105 MI...170 KM SSE OF CHARLESTON SOUTH CAROLINA ABOUT 220 MI...355 KM SSW OF WILMINGTON NORTH CAROLINA MAXIMUM SUSTAINED WINDS...115 MPH...185 KM/H PRESENT MOVEMENT...N OR 10 DEGREES AT 7 MPH...11 KM/H MINIMUM CENTRAL PRESSURE...957 MB...28.26 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Warning is in effect for... * Mouth of St. Mary`s River to Poquoson VA * Pamlico and Albemarle Sounds * Neuse and Pamlico Rivers * Hampton Roads A Hurricane Warning is in effect for... * North of Savannah River to the North Carolina/Virginia border * Pamlico and Albemarle Sounds A Hurricane Watch is in effect for... * Mouth of St. Mary`s River to Savannah River A Tropical Storm Warning is in effect for... * Mouth of St. Mary`s River to Savannah River * North Carolina/Virginia border to Chincoteague VA * Chesapeake Bay from Smith Point southward A Tropical Storm Watch is in effect for... * North of Chincoteague VA to Fenwick Island DE * Chesapeake Bay from Smith Point to Drum Point * Tidal Potomac south of Cobb Island 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. Preparations to protect life and property should be rushed to completion. 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 Warning means that tropical storm conditions are expected within the warning area within 36 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. Interests elsewhere along the Mid-Atlantic coast of the United States should continue to monitor the progress of Dorian, as additional watches or warnings may be required later today. Interests in southeastern New England should also monitor the progress of the hurricane. 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 OUTLOOK ---------------------- At 200 AM EDT (0600 UTC), the eye of Hurricane Dorian was located near latitude 31.4 North, longitude 79.6 West. Dorian is moving toward the north near 7 mph (11 km/h). A turn to the north- northeast is anticipated today, with a turn toward the northeast tonight. A northeastward motion at a faster forward speed is forecast on Friday. On the forecast track, the center of Dorian will continue to approach the coast of South Carolina this morning, move near or over the coast of South Carolina later today, and then move near or over the coast of North Carolina tonight and Friday. Maximum sustained winds are near 115 mph (185 km/h) with higher gusts. Dorian is a category 3 hurricane on the Saffir-Simpson Hurricane Wind Scale. Some fluctuations in intensity are expected this morning, followed by slow weakening through Saturday. Hurricane-force winds extend outward up to 60 miles (95 km) from the center, and tropical-storm-force winds extend outward up to 195 miles (315 km). A sustained wind of 49 mph (79 km/h) with a gust to 57 mph (92 km/h) was recently reported at Winyah Bay, South Carolina. The minimum central pressure reported by an Air Force plane was 957 mb (28.26 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are currently affecting portions of the Georgia and South Carolina coasts. Hurricane conditions are expected along portions of the South Carolina coast later this morning. Tropical storm conditions will begin along the coast of North Carolina later this morning, with hurricane conditions beginning later today. Tropical storm conditions are expected in the Tropical Storm Warning area in the Mid-Atlantic states by Friday, with tropical storm conditions possible in the Tropical Storm Watch area Friday or Friday night. STORM SURGE: The combination of a dangerous storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline. The water could reach the following heights above ground somewhere in the indicated areas if the peak surge occurs at the time of high tide... Isle of Palms to Myrtle Beach SC...5 to 8 ft Savannah River to Isle of Palms SC...4 to 7 ft Myrtle Beach SC to Cape Lookout NC...4 to 7 ft Cape Lookout NC to Duck NC, including Pamlico and Albemarle Sounds and the Neuse and Pamlico Rivers...4 to 6 ft North of Mouth of St. Mary`s River to Savannah River...3 to 5 ft Duck NC to Poquoson VA, including Hampton Roads...2 to 4 ft Water levels could begin to rise well in advance of the arrival of strong winds. The surge will be accompanied by large and destructive waves. Surge-related flooding depends on the how close the center of Dorian comes to the coast, and can vary greatly over short distances. For information specific to your area, please see products issued by your local National Weather Service forecast office. RAINFALL: Dorian is expected to produce the following rainfall totals through Friday: Coastal Carolinas...6 to 12 inches, isolated 15 inches. Coastal Georgia...2 to 4 inches, isolated 6 inches Far southeast Virginia...3 to 6 inches. This rainfall may cause life-threatening flash floods. SURF: Large swells will affect the northwestern Bahamas, and the entire southeastern United States coast from Florida through North Carolina during the next several days. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. TORNADOES: Isolated tornadoes will be possible through today across the coastal Carolinas. NEXT ADVISORY ------------- Next complete advisory at 500 AM EDT. $$ Forecaster Pasch |
