SEVERE THUNDERSTORM WATCH NUMBER 316
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URGENT – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 316
NWS STORM PREDICTION CENTER NORMAN OK
430 PM EDT TUE MAY 29 2012
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHERN MARYLAND
NORTHERN AND CENTRAL VIRGINIA
EXTREME EASTERN WEST VIRGINIA
EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 430 PM UNTIL
1000 PM EDT.
HAIL TO 1.5 INCHES 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 45
STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES EAST OF
HAGERSTOWN MARYLAND TO 15 MILES SOUTH SOUTHEAST OF STAUNTON
VIRGINIA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).
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 313…WW 314…WW 315…
DISCUSSION…THUNDERSTORMS HAVE SHOWN SIGNS OF INCREASING OVER ERN
WV ALONG THE SRN EDGE OF A STRONGER SHORT WAVE TROUGH MOVING TOWARD
THE LOWER GREAT LAKES. AIR MASS HAS BECOME QUITE UNSTABLE WITH
MLCAPE NEAR 2500 J/KG. THE AREA IS ALSO ALONG THE SRN EDGE OF
STRONGER FLOW ALOFT WITH SUFFICIENT SHEAR TO SUPPORT ORGANIZED
MULTICELL STORMS. STRONGER ACTIVITY WILL BE CAPABLE OF PRODUCING
DAMAGING WIND GUSTS AND OCCASIONAL LARGE 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 550. MEAN STORM
MOTION VECTOR 24025.
SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 316
NWS STORM PREDICTION CENTER NORMAN OK
430 PM EDT TUE MAY 29 2012
SEVERE THUNDERSTORM WATCH 316 IS IN EFFECT UNTIL 1000 PM EDT
FOR THE FOLLOWING LOCATIONS
VAC003-015-043-047-061-069-079-091-107-113-125-137-139-157-165-
171-187-540-660-790-820-840-300200-
/O.NEW.KWNS.SV.A.0316.120529T2030Z-120530T0200Z/
VA
. VIRGINIA COUNTIES INCLUDED ARE
ALBEMARLE AUGUSTA CLARKE
CULPEPER FAUQUIER FREDERICK
GREENE HIGHLAND LOUDOUN
MADISON NELSON ORANGE
PAGE RAPPAHANNOCK ROCKINGHAM
SHENANDOAH WARREN
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
CHARLOTTESVILLE HARRISONBURG STAUNTON
WAYNESBORO WINCHESTER
