

987 

WWUS20 KWNS 240347

SEL4

SPC WW 240347

KSZ000-NEZ000-241000-



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

