TORNADO WATCH OUTLINE UPDATE FOR WT 332
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URGENT – IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NU MBER 332
NWS STORM PREDICTION CENTER NORMAN OK
130 PM EDT FRI JUN 1 2012
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
MARYLAND
NORTHWEST NORTH CAROLINA
SOUTH-CENTRAL PENNSYLVANIA
WESTERN AND NORTHERN VIRGINIA
EASTERN WEST VIRGINIA PANHANDLE
EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 130 PM UNTIL 900
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 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 40 MILES NORTHEAST OF ALTOONA
PENNSYLVANIA TO 40 MILES WEST OF GREENSBORO NORTH CAROLINA. FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU2).
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.
DISCUSSION…STRONG FORCED ASCENT WITH A LARGE SCALE TROUGH WAS
LIKELY CONTRIBUTING TO AN INCREASE IN LOW-TOPPED CONVECTION ALONG A
COLD FRONT NOW SITUATED FROM ERN OH SWD ACROSS WV…EXTREME SWRN VA
AND ERN TN. EXPECT THAT THIS CONVECTION WILL CROSS THE SPINE OF THE
APPALACHIANS OVER THE NEXT 2 HOURS. AS THE FRONT BEGINS TO INTERACT
WITH GREATER INSTABILITY EAST OF THE MOUNTAINS…MORE VIGOROUS
STORM DEVELOPMENT IN THE FORM OF BOWING/LEWPING LINE SEGMENTS CAN BE
EXPECTED. A WEAK FRONTAL WAVE MAY ALSO TAKE FORM WITH TIME
COINCIDENT WITH AN INCREASE IN STORMS ALONG A WARM FRONT EXTENDING
ACROSS SRN PA AND INTO THE DELMARVA REGION. IN ADDITION TO WIND
DAMAGE AND SOME HAIL THREAT WITH THE STORMS ALONG THE ADVANCING
FRONT…AN ENHANCED BUT FOCUSED TORNADO THREAT MAY EVOLVE NEAR THE
FRONTAL WAVE AND WARM FRONT.
AVIATION…TORNADOES AND 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
450. MEAN STORM MOTION VECTOR 22035.
WOUS64 KWNS 011725
WOU2
BULLETIN – IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH OUTLINE UPDATE FOR WT 332
NWS STORM PREDICTION CENTER NORMAN OK
130 PM EDT FRI JUN 1 2012
TORNADO WATCH 332 IS IN EFFECT UNTIL 900 PM EDT FOR THE
FOLLOWING LOCATIONS
MDC001-021-023-043-020100-
/O.NEW.KWNS.TO.A.0332.120601T1730Z-120602T0100Z/
MD
. MARYLAND COUNTIES INCLUDED ARE
ALLEGANY FREDERICK GARRETT
WASHINGTON
NCC005-009-033-157-169-171-189-193-197-020100-
/O.NEW.KWNS.TO.A.0332.120601T1730Z-120602T0100Z/
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
ALLEGHANY ASHE CASWELL
ROCKINGHAM STOKES SURRY
WATAUGA WILKES YADKIN
PAC001-009-013-021-041-051-055-057-061-067-087-099-111-129-
020100-
/O.NEW.KWNS.TO.A.0332.120601T1730Z-120602T0100Z/
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ADAMS BEDFORD BLAIR
CAMBRIA CUMBERLAND FAYETTE
FRANKLIN FULTON HUNTINGDON
JUNIATA MIFFLIN PERRY
SOMERSET WESTMORELAND
VAC003-005-009-011-015-017-019-021-023-029-031-035-037-043-045-
047-061-063-067-069-071-077-079-083-089-091-107-113-121-125-139-
141-143-155-157-161-163-165-171-173-185-187-197-515-530-540-580-
590-640-660-678-680-690-750-770-775-790-820-840-020100-
/O.NEW.KWNS.TO.A.0332.120601T1730Z-120602T0100Z/
VA
. VIRGINIA COUNTIES INCLUDED ARE
ALBEMARLE ALLEGHANY AMHERST
APPOMATTOX AUGUSTA BATH
BEDFORD BLAND BOTETOURT
BUCKINGHAM CAMPBELL CARROLL
CHARLOTTE CLARKE CRAIG
CULPEPER FAUQUIER FLOYD
FRANKLIN FREDERICK GILES
GRAYSON GREENE HALIFAX
HENRY HIGHLAND LOUDOUN
MADISON MONTGOMERY NELSON
PAGE PATRICK PITTSYLVANIA
PULASKI RAPPAHANNOCK ROANOKE
ROCKBRIDGE ROCKINGHAM SHENANDOAH
SMYTH TAZEWELL WARREN
WYTHE
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
BEDFORD BUENA VISTA CHARLOTTESVILLE
COVINGTON DANVILLE GALAX
HARRISONBURG LEXINGTON LYNCHBURG
MARTINSVILLE RADFORD ROANOKE
SALEM STAUNTON WAYNESBORO
WINCHESTER
WVC003-023-025-027-031-037-055-057-063-065-071-075-077-083-089-
093-020100-
/O.NEW.KWNS.TO.A.0332.120601T1730Z-120602T0100Z/
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BERKELEY GRANT GREENBRIER
HAMPSHIRE HARDY JEFFERSON
MERCER MINERAL MONROE
MORGAN PENDLETON POCAHONTAS
PRESTON RANDOLPH SUMMERS
TUCKER
ATTN…WFO…LWX…PBZ…RNK…RLX…CTP…
