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Hurricane Dorian Public Advisory Number 35A

2019-09-02 07:52:35| National Hurricane Center (Atlantic)

Issued at 200 AM EDT Mon Sep 02 2019 000 WTNT35 KNHC 020552 TCPAT5 BULLETIN Hurricane Dorian Intermediate Advisory Number 35A NWS National Hurricane Center Miami FL AL052019 200 AM EDT Mon Sep 02 2019 ...CATEGORY 5 DORIAN CONTINUES TO BATTER GRAND BAHAMA ISLAND... SUMMARY OF 200 AM EDT...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...26.6N 78.1W ABOUT 40 MI...65 KM E OF FREEPORT GRAND BAHAMA ISLAND ABOUT 125 MI...200 KM E OF WEST PALM BEACH FLORIDA MAXIMUM SUSTAINED WINDS...175 MPH...280 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 5 MPH...7 KM/H MINIMUM CENTRAL PRESSURE...916 MB...27.05 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Warning is in effect for... * Lantana to the Volusia/Brevard County Line A Storm Surge Watch is in effect for... * North of Deerfield Beach to south of Lantana * Volusia/Brevard County Line to the Mouth of the St. Mary's River A Hurricane Warning is in effect for... * Northwestern Bahamas excluding Andros Island * Jupiter Inlet to the Volusia/Brevard County Line A Hurricane Watch is in effect for... * Andros Island * North of Deerfield Beach to Jupiter Inlet * Volusia/Brevard County Line to the Mouth of the St. Mary's River A Tropical Storm Warning is in effect for... * North of Deerfield Beach to Jupiter Inlet A Tropical Storm Watch is in effect for... * North of Golden Beach to Deerfield Beach * Lake Okeechobee 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 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. 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 east coast of Florida should continue to monitor the progress of Dorian, as additional watches or warnings may be required later today. For storm information specific to your area in the United States, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. For storm information specific to your area outside of the United States, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 200 AM EDT (0600 UTC), the center of Hurricane Dorian was located by an Air Force Reserve Unit Hurricane Hunter aircraft and NOAA Doppler radar near latitude 26.6 North, longitude 78.1 West. Dorian is moving toward the west near 5 mph (7 km/h). A slower westward to west-northwestward motion is forecast during the next day or so, followed by a gradual turn toward the northwest and north. On this track, the core of extremely dangerous Hurricane Dorian will continue to pound Grand Bahama Island through much of today and tonight. The hurricane will move dangerously close to the Florida east coast tonight through Wednesday evening. Maximum sustained winds are near 175 mph (280 km/h) with higher gusts. Dorian is a category 5 hurricane on the Saffir-Simpson Hurricane Wind Scale. Slow weakening is forecast, but fluctuations in intensity could occur during the next couple of days. Regardless, Dorian is expected to remain a powerful hurricane during the next few days. Hurricane-force winds extend outward up to 45 miles (75 km) from the center and tropical-storm-force winds extend outward up to 140 miles (220 km). The minimum central pressure estimated from Hurricane Hunter observations is 916 mb (27.05 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Catastrophic hurricane conditions continue on Grand Bahama Island. Do not venture out into the eye, as winds will suddenly increase after the eye passes. Hurricane conditions are expected within the Hurricane Warning area in Florida by late tonight or Tuesday. Tropical storm conditions are expected within the Tropical Storm warning area today and Tuesday, and are possible in the Tropical Storm watch area by tonight. STORM SURGE: A life-threatening storm surge will raise water levels by as much as 18 to 23 feet above normal tide levels in areas of onshore winds on Grand Bahama Island. Near the coast, the surge will be accompanied by large and destructive waves. Water levels should very slowly subside on the Abaco Islands during the day. 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... Lantana to the Mouth of the St. Mary's River...4 to 7 ft North of Deerfield Beach to Lantana...2 to 4 ft 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 Florida east 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 late this week: Northwestern Bahamas...12 to 24 inches, isolated 30 inches. Coastal Carolinas...5 to 10 inches, isolated 15 inches. The Atlantic Coast from the Florida peninsula through Georgia...3 to 6 inches, isolated 9 inches. Southeastern Virginia...2 to 4 inches, isolated 6 inches. Central Bahamas...2 to 4 inches, isolated 6 inches. This rainfall may cause life-threatening flash floods. SURF: Large swells are affecting east-facing shores of the Bahamas and the Florida east coast, and will spread northward along the southeastern United States coast during the next few days. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 500 AM EDT. $$ Forecaster Pasch

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Hurricane Dorian Update Statement

2019-09-02 06:59:35| National Hurricane Center (Atlantic)

Issued at 100 AM EDT Mon Sep 02 2019 000 WTNT65 KNHC 020459 TCUAT5 Hurricane Dorian Tropical Cyclone Update NWS National Hurricane Center Miami FL AL052019 100 AM EDT Mon Sep 02 2019 ...CATASTROPHIC STORM SURGE FLOODING LIKELY OCCURRING ON GRAND BAHAMA ISLAND... This is a life-threatening situation. Residents on Grand Bahama Island should not leave their shelter when the eye passes over, as winds will rapidly increase on the other side of the eye. Residents in the Abacos should continue to stay in their shelter until conditions subside later today. Hazards: - Wind Gusts over 200 mph - Storm Surge 18 to 23 feet above normal tide levels with higher destructive waves These hazards will cause extreme destruction in the affected areas and will continue for several hours. SUMMARY OF 100 AM EDT...0500 UTC...INFORMATION ---------------------------------------------- LOCATION...26.6N 78.0W ABOUT 45 MI...70 KM E OF FREEPORT GRAND BAHAMA ISLAND ABOUT 130 MI...210 KM E OF WEST PALM BEACH FLORIDA MAXIMUM SUSTAINED WINDS...180 MPH...285 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 5 MPH...7 KM/H MINIMUM CENTRAL PRESSURE...914 MB...26.99 INCHES $$ Forecaster Berg

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Summary for Hurricane Dorian (AT5/AL052019)

2019-09-02 06:59:35| National Hurricane Center (Atlantic)

...CATASTROPHIC STORM SURGE FLOODING LIKELY OCCURRING ON GRAND BAHAMA ISLAND... As of 1:00 AM EDT Mon Sep 2 the center of Dorian was located near 26.6, -78.0 with movement W at 5 mph. The minimum central pressure was 914 mb with maximum sustained winds of about 180 mph.

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