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Hurricane Florence
Air Force Reserve hurricane hunter aircraft investigating Florence this morning has found no change in the hurricane's peak intensity of 115 kt, even though the central pressure had decreased a few millibars down to 943 mb. However, the aircraft data do indicate that Florence's inner-core wind field has expanded, with the 50-kt wind radii now extending outward up to 100 n mi to the northeast.
Key Messages:
- A life-threatening storm surge is now highly likely along portions of the coastlines of South Carolina and North Carolina
- Life-threatening, catastrophic flash flooding and significant river flooding is likely over portions of the Carolinas late this week into early next week
- Damaging hurricane-force winds are likely along portions of the coasts of South Carolina and North Carolina
- Large swells affecting Bermuda and portions of the U.S. East Coast will continue this week, resulting in life-threatening surf and rip currents.
- NHC issuing advisories for the Atlantic on Hurricane Florence, Hurricane Helene and TS Isaac
- Last NHC advisory issued on Paul
- CPHC issuing advisories for the Central Pacific on Olivia
- Local information on Florence: Charleston, Wilmington, Newport/Morehead City, Raleigh, and Wakefield
- Audio podcasts regarding Florence now available
Full coverage of this, and all tropical storms, can be found on our Hurricane Zone page. There are RSS feeds from the National Hurricane Center posted there giving you up to the minute information. For storms that impact cruises, we will bring you information on those details as well. Please bookmark that page for further reference during the Hurricane Season which runs now through November 30th.
| Hurricane Florence |
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| WIND: | near 130 MPH...215 KM/H |
| WATCHES/ WARNINGS: | A Storm Surge Warning is in effect for... * South Santee River South Carolina to Duck North Carolina * Albemarle and Pamlico Sounds, including the Neuse and Pamlico Rivers A Storm Surge Watch is in effect for... * Edisto Beach South Carolina to South Santee River South Carolina * North of Duck North Carolina to the North Carolina/Virginia border A Hurricane Warning is in effect for... * South Santee River South Carolina to Duck North Carolina * Albemarle and Pamlico Sounds A Hurricane Watch is in effect for... * Edisto Beach South Carolina to South Santee River South Carolina A Tropical Storm Warning is in effect for... * North of Duck North Carolina to the North Carolina/Virginia border A Tropical Storm Watch is in effect for... * North of the North Carolina/Virginia border to Cape Charles Light Virginia * Chesapeake Bay south of New Point Comfort Interests elsewhere in the southeastern and mid-Atlantic states should monitor the progress of Florence. |
| SHIP IMPACT: |
A Storm Surge Warning means there is a danger of life-threatening inundation, from rising water moving inland from the coastline, 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. 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 Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning areas.
HAZARDS AFFECTING LAND ----------------------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 has the potential to reach the following heights above ground if peak surge occurs at the time of high tide... Cape Fear NC to Cape Lookout NC, including the Neuse, Pamlico, Pungo, and Bay Rivers...9-13 ft North Myrtle Beach SC to Cape Fear NC...6-9 ft Cape Lookout NC to Ocracoke Inlet NC...6-9 ft South Santee River SC to North Myrtle Beach SC...4-6 ft Ocracoke Inlet NC to Salvo NC...4-6 ft Salvo NC to North Carolina/Virginia Border...2-4 ft Edisto Beach SC to South Santee River SC...2-4 ft The deepest water will occur along the immediate coast in areas of onshore winds, where the surge will be accompanied by large and destructive waves. Surge-related flooding depends on the relative timing of the surge and the tidal cycle, 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: Florence is expected to produce heavy and excessive rainfall in the following areas... Coastal North Carolina...20 to 30 inches, isolated 40 inches. This rainfall would produce catastrophic flash flooding and significant river flooding. South Carolina, western and northern North Carolina...5 to 10 inches, isolated 20 inches. Elsewhere in the Appalachians and Mid-Atlantic states...3 to 6 inches, isolated 12 inches. WIND: Hurricane conditions are expected to reach the coast within the hurricane warning area late Thursday or Friday. Winds are expected to first reach tropical storm strength on Thursday, making outside preparations difficult or dangerous. Preparations to protect life and property should be rushed to completion. TORNADOES: A few tornadoes are possible in eastern North Carolina beginning late Thursday morning. SURF: Swells generated by Florence are affecting Bermuda and portions of the U.S. East Coast. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office.
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