WW 371 SEVERE TSTM KS 110100Z – 110500Z
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 371
NWS STORM PREDICTION CENTER NORMAN OK
800 PM CDT SUN JUN 10 2012
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTH CENTRAL KANSAS
EFFECTIVE THIS SUNDAY NIGHT FROM 800 PM UNTIL MIDNIGHT CDT.
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 EAST AND WEST OF A LINE FROM 35 MILES WEST
NORTHWEST OF EMPORIA KANSAS TO 45 MILES SOUTH OF WICHITA KANSAS.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU1).
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 369...WW 370...
DISCUSSION...CONVECTION IS INCREASING ALONG THE SURFACE COLD
FRONT...AND THIS TREND MAY CONTINUE FOR ANOTHER COUPLE OF HOURS AS
CONVERGENCE INCREASES ALONG THE BOUNDARY THIS EVENING. MLCAPE IN
EXCESS OF 3000 J/KG...STEEP MIDLEVEL LAPSE RATES...AND EFFECTIVE
BULK SHEAR OF 25-30 KT WILL SUPPORT ORGANIZED MULTICELL CLUSTERS
/AND PERHAPS MARGINAL SUPERCELL STRUCTURES/ WITH AN ATTENDANT RISK
FOR LARGE HAIL/DAMAGING WINDS THE NEXT FEW HOURS.
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 550. MEAN STORM
MOTION VECTOR 27015.
...THOMPSON
via SPC Forecast Products http://www.spc.noaa.gov/products/watch/ww0371.html
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