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Severe Thunderstorm Watch – ! Canceled !

[ 0 ] June 28, 2013 |

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Severe Thunderstorm Watch
Statement as of 7:34 PM EDT on June 28, 2013

The National Weather Service has cancelled Severe Thunderstorm
Watch 386 for the following areas

In Maryland this cancels 3 counties

In north central Maryland

Frederick Washington

In western Maryland

Allegany

In Virginia this cancels 17 counties

In central Virginia

Albemarle Greene Nelson
Orange

In northern Virginia

Culpeper Fauquier Loudoun

In northwest Virginia

Clarke Frederick Madison
Page Rappahannock Shenandoah
Warren

In western Virginia

Augusta Highland Rockingham

In West Virginia this cancels 8 counties

In northeast West Virginia

Berkeley Grant Hampshire
Hardy Jefferson Mineral
Morgan Pendleton

In Virginia this cancels 5 independent cities

In central Virginia

Charlottesville

In northwest Virginia

City of Harrisonburg City of Winchester

In western Virginia

City of Staunton City of Waynesboro

This includes the cities of…Bayard…Berryville…
Charles Town…Charlottesville…Culpeper…Cumberland…
Elk Garden…Fort Ashby…Franklin…Frederick…Front Royal…
Greenfield…Hagerstown…Harrisonburg…Keyser…Leesburg…
Luray…Madison…Martinsburg…Monterey…Moorefield…
Mount Storm…Orange…Paw Paw…Petersburg…Romney…
Stanardsville…Staunton…Sterling…Strasburg…Warrenton…
Washington…Waynesboro…Winchester and Woodstock.

URGENT – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 386
NWS STORM PREDICTION CENTER NORMAN OK
110 PM EDT FRI JUN 28 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
WESTERN MARYLAND
SOUTHEAST OHIO
SOUTHWEST AND SOUTH-CENTRAL PENNSYLVANIA
NORTHERN VIRGINIA
NORTHERN WEST VIRGINIA

* EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 110 PM UNTIL
800 PM EDT.

* PRIMARY THREATS INCLUDE…
SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
SEVERAL LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 105
STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES SOUTH
SOUTHWEST OF ELKINS WEST VIRGINIA TO 15 MILES NORTH NORTHEAST OF
ALTOONA PENNSYLVANIA. 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 385…

DISCUSSION…TSTMS ARE EXPECTED TO INCREASE IN COVERAGE AND
INTENSITY ACROSS THE WATCH AREA THIS AFTERNOON AS FORCING FOR ASCENT
IS ENHANCED BY A VORTICITY MAXIMUM PIVOTING AROUND AN UPPER LOW
CENTERED OVER SWRN ONTARIO. GIVEN THE COMBINATION OF MLCAPE OF
1000-1500 J/KG AND 40-50 KT OF DEEP-LAYER SHEAR…THE SETUP WILL BE
SUPPORTIVE OF SUPERCELLS AND BOWING STRUCTURES CAPABLE OF DAMAGING
WINDS AND SEVERE HAIL.

AVIATION…A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 28030.

…MEAD

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