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Nelson & Wintergreen : Severe Thunderstorm Watch : CANCELLED

[ 0 ] August 5, 2012 |

Via SPC: The areas highlighted in blue (including Nelson & Wintergreen) are under a severe thunderstorm watch until 9PM Sunday evening.

Severe Thunderstorm Watch
Statement as of 6:45 PM EDT on August 05, 2012

The National Weather Service has cancelled Severe Thunderstorm
Watch 564 for the following areas

The District of Columbia

In Maryland this cancels 8 counties

In central Maryland

Anne Arundel          Howard                Montgomery           
Prince Georges        

In north central Maryland

Carroll               Frederick             

In northern Maryland

Baltimore             Harford               

In Virginia this cancels 15 counties

In central Virginia

Albemarle             Greene                Nelson               
Orange                

In northern Virginia

Arlington             Culpeper              Fairfax              
Fauquier              Loudoun               Prince William       

In northwest Virginia

Madison               Page                  Rappahannock         

In western Virginia

Augusta               Rockingham            

In Maryland this cancels 1 independent city

In northern Maryland

Baltimore City        

In Virginia this cancels 8 independent cities

In central Virginia

Charlottesville       

In northern Virginia

City of Alexandria    City of Fairfax       City of Falls Church
City of Manassas      

In northwest Virginia

City of Harrisonburg  

In western Virginia

City of Staunton      City of Waynesboro    

This includes the cities of…Aberdeen…Annapolis…Arlington…
Bel Air…Chantilly…Charlottesville…Columbia…Culpeper…
Edgewood…Fallston…Frederick…Gaithersburg…Greenfield…
Harrisonburg…Havre de Grace…Joppatowne…Laurel…Leesburg…
Luray…Madison…McLean…Orange…Reston…Stanardsville…
Staunton…Sterling…Towson…Warrenton…Washington…
Washington…Waynesboro…Westminster and Woodbridge.

SEVERE THUNDERSTORM WATCH
Scroll For County Outline areas

URGENT – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 564
NWS STORM PREDICTION CENTER NORMAN OK
340 PM EDT SUN AUG 5 2012

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

DISTRICT OF COLUMBIA
NORTHERN DELAWARE
CENTRAL MARYLAND
WESTERN NEW JERSEY
SOUTHEAST PENNSYLVANIA
NORTHERN VIRGINIA
COASTAL WATERS

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 340 PM UNTIL 900
PM EDT.

HAIL TO 1 INCH IN DIAMETER…THUNDERSTORM WIND GUSTS TO 70
MPH…AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70
STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES SOUTH
SOUTHWEST OF WASHINGTON DISTRICT OF COLUM TO 20 MILES NORTH OF
ALLENTOWN PENNSYLVANIA. FOR A COMPLETE DEPICTION OF THE WATCH
SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).

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 563…

DISCUSSION…CONVECTION FORMING OVER E EDGE OF THE HIGHER TERRAIN
FROM NRN VA INTO SE PA SHOULD CONTINUE TO SPREAD EWD THROUGH THE
AFTERNOON/EVENING. MODERATE INSTABILITY IS PRESENT AHEAD OF THESE
STORMS…WHERE SURFACE TEMPERATURES HAVE WARMED INTO THE LOW 90S
WITH DEWPOINTS IN THE LOW 70S. GIVEN THE COMBINATION OF MLCAPE OF
1500-2500 J/KG PER THE 18Z IAD SOUNDING…AND ROUGHLY 30 KT
LOW-MIDLEVEL SWLY FLOW…THE STRONGER STORMS COULD PRODUCE A FEW
DAMAGING OUTFLOW GUSTS THROUGH THIS EVENING.

AVIATION…A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.
A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION
VECTOR 26020.

City County Outlines
Severe Thunderstorm Watch
Statement as of 3:36 PM EDT on August 05, 2012

The National Weather Service has issued Severe Thunderstorm Watch
564 in effect until 9 PM EDT this evening for the following areas

The District of Columbia

In Maryland this 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 this watch includes 18 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 Page Rappahannock

In western Virginia

Augusta Rockingham

In Maryland this watch includes 1 independent city

In northern Maryland

Baltimore City

In Virginia this watch includes 9 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

In northwest Virginia

City of Harrisonburg

In western Virginia

City of Staunton City of Waynesboro

This includes the cities of…Aberdeen…Annapolis…Arlington…
Bel Air…Chantilly…Charlottesville…Chesapeake Beach…
Columbia…Culpeper…Dahlgren…Edgewood…Fallston…Falmouth…
Frederick…Gaithersburg…Greenfield…Harrisonburg…
Havre de Grace…Joppatowne…Laurel…Leesburg…Luray…
Madison…McLean…Orange…Reston…Spotsylvania courthouse…
St Marys…Stanardsville…Staunton…Sterling…Towson…
Waldorf…Warrenton…Washington…Washington…Waynesboro…
Westminster and Woodbridge.

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