

000 

WWUS20 KWNS 240351

SEL5

SPC WW 240351

KSZ000-OKZ000-TXZ000-240800-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 295

NWS STORM PREDICTION CENTER NORMAN OK

1050 PM CDT WED MAY 23 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHWEST KANSAS

       NORTHWEST OKLAHOMA INCLUDING THE EASTERN PANHANDLE

       EASTERN TEXAS PANHANDLE



EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 1050 PM

UNTIL 300 AM CDT.



TORNADOES...HAIL TO 3 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 75 STATUTE

MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH NORTHWEST OF

MEDICINE LODGE KANSAS TO 55 MILES EAST SOUTHEAST OF BORGER TEXAS.

 FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU5).



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.



OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO

WATCH NUMBER 293. WATCH NUMBER 293 WILL NOT BE IN EFFECT AFTER

1050 PM CDT. CONTINUE...WW 294...



DISCUSSION...SUPERCELLS WILL CONTINUE AHEAD OF EJECTING MID/UPPER

LEVEL TROUGH AND ASSOCIATED STRONG SURFACE COLD FRONT NOW MOVING

INTO SWRN KS/CENTRAL TX PANHANDLE TONIGHT.  SLY LLJ WILL INTENSIFY

IN EXCESS OF 50 KT AND PROVIDE AMPLE LOW AND DEEP LAYER SHEAR FOR

INTENSE ROTATION WITH THE STRONGER CORES.  THIS WILL INCREASE THE

POTENTIAL FOR VERY LARGE HAIL/SEVERE WIND GUSTS...WITH TORNADO

THREAT PERSISTING WELL INTO THE NIGHT AS STORMS REMAIN ROOTED NEAR

THE SURFACE.  LARGER MCS WILL LIKELY EVOLVE ALONG THE COLD FRONT

OVERNIGHT.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 26025.





...EVANS

