WATCHES: Severe Thunderstorm Watch Number 112

WWUS20 KWNS 281810
SEL2
SPC WW 281810
INZ000-KYZ000-OHZ000-VAZ000-WVZ000-290100-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 112
NWS STORM PREDICTION CENTER NORMAN OK
210 PM EDT WED MAR 28 2012

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

EXTREME SOUTHERN INDIANA
CENTRAL AND EASTERN KENTUCKY
EXTREME SOUTHERN OHIO
WESTERN VIRGINIA
WEST VIRGINIA

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 210 PM UNTIL
900 PM EDT.

HAIL TO 2 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 55
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 50 MILES NORTH
NORTHWEST OF BOWLING GREEN KENTUCKY TO 35 MILES NORTH NORTHEAST
OF STAUNTON VIRGINIA. FOR A COMPLETE DEPICTION OF THE WATCH SEE
THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).

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.

DISCUSSION...STORMS ARE EXPECTED TO CONTINUE DEVELOPING AND
INTENSIFY THIS AFTERNOON IN A PRE-FRONTAL CONVECTIVE BAND OVER WV
INTO SRN OH...WITH ADDITIONAL WWD DEVELOPMENT INTO SRN INDIANA WHERE
A COLD FRONT IS MOVING SEWD INTO A LOW LEVEL INSTABILITY AXIS.
CONVECTION HAS PRIMARILY BEEN ELEVATED INTO THE EARLY
AFTERNOON...BUT CONTINUED HEATING AND DEVELOPMENT OF A WELL-MIXED
BOUNDARY LAYER WILL RESULT IN STORMS BECOMING SURFACE-BASED WITH AN
INCREASING THREAT FOR SEVERE STORMS. VAD PROFILES SHOW STRONG WINDS
ABOVE THE GROUND IN THE LOWEST 2-3 KM WHICH WILL ENHANCE WIND DAMAGE
POTENTIAL...AND STEEP LAPSE RATES WILL ALSO PROMOTE LARGE HAIL WITH
STRONGER CELLS.

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 28045.

...WEISS

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