!CANCELED – CANCELED – CANCELED!
Tornado Watch
Statement as of 11:11 AM EDT on April 28, 2011
The National Weather Service has cancelled Tornado Watch 251 for
the following areas
In Maryland this cancels 1 County
In north central Maryland
Frederick
In Virginia this cancels 9 counties
In central Virginia
Albemarle Greene Nelson
Orange
In northern Virginia
Culpeper Fauquier Loudoun
In northwest Virginia
Madison Rappahannock
In Virginia this cancels 1 independent city
In central Virginia
Charlottesville
This includes the cities of…Charlottesville…Culpeper…
Frederick…Greenfield…Leesburg…Madison…Orange…
Stanardsville…Sterling…Warrenton and Washington.
URGENT – IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 251
NWS STORM PREDICTION CENTER NORMAN OK
740 AM EDT THU APR 28 2011
Scroll Down For County Outline Areas
A FLASH FLOOD WATCH is also in effect until noon Thursday EDT
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
DISTRICT OF COLUMBIA
MUCH OF MARYLAND
A SMALL PART OF NORTHWEST AND NORTHEAST NORTH CAROLINA
MUCH OF CENTRAL AND EASTERN VIRGINIA
COASTAL WATERS
EFFECTIVE THIS THURSDAY MORNING AND AFTERNOON FROM 740 AM UNTIL
300 PM EDT.
TORNADOES…HAIL TO 1.5 INCHES IN DIAMETER…THUNDERSTORM WIND
GUSTS TO 70 MPH…AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE
MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH NORTHEAST OF
BALTIMORE MARYLAND TO 35 MILES EAST OF DANVILLE VIRGINIA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU1).
REMEMBER…A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.
OTHER WATCH INFORMATION…THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 247. WATCH NUMBER 247 WILL NOT BE IN EFFECT AFTER
740 AM EDT. CONTINUE…WW 249…WW 250…
DISCUSSION…A BROKEN BAND OF CONVECTION CONTINUES TO DEVELOP E OF
THE BLUE RIDGE AND THE SYNOPTIC COLD FRONT. A BREAK IN THE
CONVECTION IN NC IS ALLOWING AN UNIMPEDED INFLUX OF LOW-LEVEL
MOISTURE INTO VA…AND VERTICAL SHEAR PROFILES REMAIN STRONG. GIVEN
THE STRONG SHEAR AND MOIST PROFILES WITH WEAK INSTABILITY…THE
POTENTIAL FOR A FEW TORNADOES AND DAMAGING WINDS WITH
SUPERCELLS/BOWS WILL CONTINUE THROUGH AT LEAST MIDDAY OR EARLY
AFTERNOON.
County Outline Area Below
The National Weather Service has issued Tornado Watch 251 until
3 PM EDT this afternoon which replaces a portion of Tornado Watch
247. The new watch is valid for the following areas
The District of Columbia
In Maryland the new watch includes 11 counties
In central Maryland
Anne Arundel Howard Montgomery
Prince Georges
In north central Maryland
Carroll Frederick
In northern Maryland
Baltimore Harford
In southern Maryland
Calvert Charles St. Marys
In Virginia the new watch includes 15 counties
In central Virginia
Albemarle Greene King George
Nelson Orange Spotsylvania
In northern Virginia
Arlington Culpeper Fairfax
Fauquier Loudoun Prince William
Stafford
In northwest Virginia
Madison Rappahannock
In Maryland the new watch includes 1 independent city
In northern Maryland
Baltimore City
In Virginia the new watch includes 7 independent cities
In central Virginia
Charlottesville City of Fredericksburg
In northern Virginia
City of Alexandria City of Fairfax City of Falls Church
City of Manassas City of Manassas Park
This includes the cities of…Aberdeen…Annapolis…Arlington…
Bel Air…Chantilly…Charlottesville…Chesapeake Beach…
Columbia…Culpeper…Dahlgren…Edgewood…Fallston…Falmouth…
Frederick…Gaithersburg…Greenfield…Havre de Grace…
Joppatowne…Laurel…Leesburg…Madison…McLean…Orange…
Reston…Spotsylvania courthouse…St Marys…Stanardsville…
Sterling…Towson…Waldorf…Warrenton…Washington…
Washington…Westminster and Woodbridge.251
