Thursday, August 25, 2011

Thursday briefing on Hurricane Irene

From the National Weather Service in Raleigh: Thursday morning briefing, 9 a.m.

Dangerous hurricane Irene moving over the northwestern Bahamas...A hurricane watch is in effect for north of Surf City North Carolina to the North Carolina-Virginia border including the Pamlico...Albemarle...and Currituck sounds. A tropical storm watch is in effect for north of Edisto beach South Carolina to Surf City North Carolina.

Five-day Forecast Track: The official forecast track has Irene has shifted back to the west since yesterday. This track would still keep the highest impacts mainly east of I-95…with the greatest impacts along the Outer Banks.

Rainfall amounts will be greatest east of I-95 and particularly near the coast where greater than 6 inches of rainfall is possible. The chance for heavy rain will rapidly diminish to the west…with most of central NC only expecting to see an inch or two of rainfall. Depending on where the outer bands set up, localized heavier rainfall amounts greater than 2 inches may be seen across the central portion of the state.

Potential for worst wind confined mainly east of I-95, and particularly the Outer Banks. Can’t rule out a couple brief gusts up around 40 mph across the central part of the state associated with the outer bands.

Major marine and coastal impacts expected, including storm surge and coastal flooding, high winds, dangerous surf, and rip currents. For additional details regarding the immediate coastal impacts, please see the briefings from NWS Newport and NWS Wilmington at:

• NWS Newport briefing: http://www.erh.noaa.gov/mhx/downloads/briefings/
• NWS Wilmington briefing: http://www.erh.noaa.gov/ilm/downloads/briefings/

Confidence Factor: With the slight shift back to the left…it should be noted that central NC residents should not let their guard down…and additional track adjustments…and thus impact adjustments…are still possible…so stay tuned!

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