Severe Thunderstorm Watch – canceled
Statement as of 4:23 PM EDT on June 13, 2013
The National Weather Service has cancelled Severe Thunderstorm
Watch 306 for the following areas
The District of Columbia
In Maryland this cancels 1 County
In central Maryland
Montgomery
In Virginia this cancels 22 counties
In central Virginia
Albemarle Greene Nelson
Orange Spotsylvania
In northern Virginia
Arlington Culpeper Fairfax
Fauquier Loudoun Prince William
Stafford
In northwest Virginia
Clarke Frederick Madison
Page Rappahannock Shenandoah
Warren
In western Virginia
Augusta Highland Rockingham
In West Virginia this cancels 6 counties
In northeast West Virginia
Grant Hampshire Hardy
Jefferson Mineral Pendleton
In Virginia this cancels 10 independent cities
In central Virginia
Charlottesville City of Fredericksburg
In northern Virginia
City of Fairfax City of Falls Church City of Manassas
City of Manassas Park
In northwest Virginia
City of Harrisonburg City of Winchester
In western Virginia
City of Staunton City of Waynesboro
This includes the cities of…Arlington…Bayard…Berryville…
Chantilly…Charles Town…Charlottesville…Culpeper…
Elk Garden…Falmouth…Fort Ashby…Franklin…Front Royal…
Gaithersburg…Greenfield…Harrisonburg…Keyser…Leesburg…
Luray…Madison…McLean…Monterey…Moorefield…Mount Storm…
Orange…Petersburg…Reston…Romney…Spotsylvania courthouse…
Stanardsville…Staunton…Sterling…Strasburg…Warrenton…
Washington…Washington…Waynesboro…Winchester…
Woodbridge and Woodstock.
URGENT – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 306
NWS STORM PREDICTION CENTER NORMAN OK
1220 PM EDT THU JUN 13 2013
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
DISTRICT OF COLUMBIA
WESTERN MARYLAND
EASTERN TENNESSEE
WESTERN VIRGINIA
EASTERN WEST VIRGINIA
COASTAL WATERS
* EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 1220 PM
UNTIL 700 PM EDT.
* PRIMARY THREATS INCLUDE…
SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE
A FEW DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
A FEW TORNADOES POSSIBLE
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 100
STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES NORTHWEST OF
WASHINGTON DISTRICT OF COLUM TO 30 MILES EAST SOUTHEAST OF
BRISTOL TENNESSEE. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).
PRECAUTIONARY/PREPAREDNESS ACTIONS…
REMEMBER…A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
&&
OTHER WATCH INFORMATION…CONTINUE…WW 305…
DISCUSSION…ORGANIZED LINE OF CONVECTION WILL CONTINUE TO TRACK
GENERALLY EAST ACROSS THE APPALACHIANS THROUGH THE AFTERNOON
SUSTAINED BY MODEST LARGE SCALE SUPPORT AND INCREASING
INSTABILITY…ESPECIALLY EAST OF THE MOUNTAINS AND SOUTH OF AN
OUTFLOW BOUNDARY ACROSS SCNTRL VA. PRIMARILY UNIDIRECTIONAL SHEAR
PROFILES WILL LIKELY MAINTAIN LINEAR STRUCTURE TO THE LINE WITH
BOWING/ACCELERATING SEGMENTS CAPABLE OF PRODUCING SEVERE WIND GUSTS
AND DAMAGE. SOME LOCALIZED TORNADO THREAT MAY EVOLVE WERE CONVECTION
INTERACTS WITH THE RESIDUAL BOUNDARY ACROSS VA…OR MORE ORGANIZED
SMALL SCALE BOWING SEGMENTS DEVELOP MESOVORTICES/BOW-HEAD
CIRCULATIONS.
AVIATION…A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM
MOTION VECTOR 25040.
