SPC Severe Thunderstorm Watch 294

WW 294 SEVERE TSTM KS NE 240350Z – 241000Z


URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 294
NWS STORM PREDICTION CENTER NORMAN OK
1050 PM CDT WED MAY 23 2012

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

       NORTH CENTRAL KANSAS
       CENTRAL AND EASTERN NEBRASKA

EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 1050 PM
UNTIL 500 AM 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 65
STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES NORTHEAST OF
NORFOLK NEBRASKA TO 25 MILES SOUTHEAST OF HILL CITY KANSAS.  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 293...

DISCUSSION...THUNDERSTORMS CONTINUE TO RE-DEVELOP ACROSS PARTS OF
CENTRAL NEB INTO NORTHWEST KS...IN REGION OF STRONG LOW LEVEL WARM
ADVECTION AND INCREASING LARGE SCALE LIFT.  SUFFICIENT ELEVATED CAPE
ATOP STABLE NEAR-SURFACE LAYER COMBINED WITH STRONG EFFECTIVE SHEAR
WILL PROMOTE INTENSE STORMS CAPABLE OF LARGE HAIL FOR THE NEXT
SEVERAL 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 450. MEAN STORM
MOTION VECTOR 24030.


...HART

via SPC Forecast Products http://www.spc.noaa.gov/products/watch/ww0294.html