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WWUS20 KWNS 032344

SEL7

SPC WW 032344

KSZ000-OKZ000-TXZ000-040700-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 347

NWS STORM PREDICTION CENTER NORMAN OK

640 PM CDT SUN JUN 3 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       FAR SOUTHERN KANSAS

       WESTERN AND NORTHERN OKLAHOMA

       NORTHEASTERN TEXAS PANHANDLE



EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 640 PM UNTIL

200 AM CDT.



TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 75 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 50 MILES SOUTH OF LIBERAL

KANSAS TO 55 MILES NORTHEAST OF CHANDLER OKLAHOMA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU7).



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...CONTINUE...WW 344...WW 345...WW 346...



DISCUSSION...TSTMS EXPECTED TO INCREASE OVER THE NEXT FEW HOURS

INVOF WEAK W-E FRONT OVER NRN OK AND PERHAPS FAR SRN KS...AND INVOF

NW-MOVING OUTFLOW BOUNDARY/MOISTURE GRADIENT IN THE NE TX PANHANDLE.

 ACTIVITY WILL BE SUPPORTED BY STRENGTHENING SSWLY LLJ...AND

POSSIBLY BY ASCENT ASSOCIATED WITH UPR IMPULSE DRIFTING ESE FROM SW

KS.  DEEP WNWLY SHEAR WILL REMAIN COMPARATIVELY MODEST...AROUND 30

KTS...BUT SUFFICIENT FOR SUSTAINED STORMS/SUPERCELLS.  COUPLED

QUALITY OF MOISTURE...STEEP LOW TO MID LVL LAPSE RATES...AND LOW LVL

DIRECTIONAL SHEAR ASSOCIATED WITH LLJ...POTENTIAL WILL EXIST FOR

VERY LARGE HAIL...HIGH WIND...AND TORNADOES.  THE STORMS SHOULD

EVOLVE INTO A COUPLE OF CLUSTERS LATER TNGT/EARLY MON...WITH

PREDOMINANT MOTION EXPECTED TO BE SE TO POSSIBLY SSEWD.



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

SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

600. MEAN STORM MOTION VECTOR 29025.





...CORFIDI

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