Statement as of 2:00 am EDT on September 02, 2010
...Category four Hurricane Earl moving quicklynorth-northwestward...
summary of 200 am EDT...0600 UTC...information----------------------------------------------location...28.6n 74.4wabout 460 mi...740 km S of Cape Hatteras North Carolinamaximum sustained winds...140 mph...220 km/hrpresent movement...NNW or 330 degrees at 18 mph...30 km/hrminimum central pressure...930 mb...27.46 inches
watches and warnings--------------------changes with this advisory...
Summary of watches and warnings in effect...
a Hurricane Warning is in effect for...* Bogue Inlet North Carolina northeastward to the NorthCarolina/Virginia border including the Pamlico and Albemarlesounds.
A Hurricane Watch is in effect for...* north of the North Carolina/Virginia border to Cape HenlopenDelaware.* Woods Hole to Sagamore Beach Massachusetts...including MarthasVineyard and Nantucket.
A Tropical Storm Warning is in effect for...* Cape Fear to west of Bogue Inlet North Carolina.* North of the North Carolina/Virginia border to Sandy Hook NewJersey...including Delaware Bay south of Slaughter Beach and theChesapeake Bay south of New Point Comfort.
A tropical storm watch is in effect for...* Sandy Hook New Jersey to Woods Hole Massachusetts...includingBlock Island and Long Island Sound.* North of Sagamore Beach to the mouth of the Merrimack RiverMassachusetts.
A Hurricane Warning means that hurricane conditions are expectedsomewhere within the warning area. A warning is typically issued36 hours before the anticipated first occurrence oftropical-storm-force winds...conditions that make outsidepreparations difficult or dangerous. Preparations to protect lifeand property should be rushed to completion.
A Hurricane Watch means that hurricane conditions are possiblewithin the watch area. A watch is typically issued 48 hoursbefore the anticipated first occurrence of tropical-storm-forcewinds...conditions that make outside preparations difficult ordangerous.
A Tropical Storm Warning means that tropical storm conditions areexpected somewhere within the warning area within 36 hours.
A tropical storm watch means that tropical storm conditions arepossible within the watch area...generally within 48 hours.
Interests in northern New England and southeastern Canada shouldmonitor the progress of Earl.
For storm information specific to your area in the UnitedStates...including possible inland watches and warnings...pleasemonitor products issued by your local National Weather Serviceforecast office. For storm information specific to your area outsidethe United States...please monitor products issued by your Nationalmeteorological service.
Discussion and 48-hour outlook------------------------------at 200 am EDT...0600 UTC...the center of Hurricane Earl was locatednear latitude 28.6 north...longitude 74.4 West. Earl is movingtoward the north-northwest near 18 mph...30 km/hr. This motion isexpected to continue this morning with a turn to the north latertoday. On the forecast track...the core of the hurricane willapproach the North Carolina coast by late Thursday...and move nearor over the Outer Banks of North Carolina Thursday night. Thecenter is expected to pass near or offshore of the DelmarvaPeninsula on Friday.
Maximum sustained winds are near 140 mph...220 km/hr...with highergusts. Earl is a category four hurricane on the Saffir-Simpsonhurricane wind scale. Some fluctuations in intensity are likelytonight and Thursday...but a gradual weakening trend is anticipatedthereafter.
Earl is a large hurricane. Hurricane force winds extend outward upto 90 miles...150 km...from the center...and tropical storm forcewinds extend outward up to 230 miles...370 km.
The minimum central pressure just extrapolated by an Air ForceReserve hurricane hunter aircraft is 930 mb...27.46 inches.
Hazards affecting land----------------------winds...tropical storm force winds are expected to reach the NorthCarolina coast within the warning area by this afternoon withhurricane force winds occurring by Thursday night. Tropical stormforce winds will likely reach the coast from Virginia northward toNew Jersey by late Thursday night or early Friday.
Storm surge...a dangerous storm surge will raise water levels by asmuch as 3 to 5 feet above ground level within the Hurricane Warningarea and the lower Chesapeake Bay. Elsewhere within the TropicalStorm Warning area...storm surge will raise water levels by as muchas 1 to 3 feet above ground level. Near the coast...the surge willbe accompanied by large and destructive waves.
Rainfall...accumulations of 2 to 4 inches...with isolatedmaximum amounts of 6 inches...are expected over portions of easternNorth Carolina including the Outer Banks. Accumulations of 1 to 2inches are possible farther to the north along the immediatemid-Atlantic coast.
Surf...large swells from Earl will continue to affect the Bahamasand the East Coast of the United States through Friday. Theseswells will likely cause dangerous surf conditions and ripcurrents.
Next advisory-------------next complete advisory...500 am EDT.