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WWUS20 KWNS 011931

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KSZ000-NMZ000-OKZ000-TXZ000-020300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 335

NWS STORM PREDICTION CENTER NORMAN OK

225 PM CDT FRI JUN 1 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       SOUTHWEST KANSAS

       NORTHEAST NEW MEXICO

       WESTERN OKLAHOMA

       TEXAS PANHANDLE



EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 225 PM UNTIL

1000 PM CDT.



HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 75

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 75 MILES SOUTH

SOUTHWEST OF RATON NEW MEXICO TO 5 MILES SOUTH SOUTHEAST OF GAGE

OKLAHOMA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).



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 332...WW 333...WW 334...



DISCUSSION...THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG A WEAK

FRONT/WIND SHIFT SPREADING SEWD FROM CO THIS AFTERNOON. ADDITIONAL

STORMS WILL LIKELY FORM ACROSS THE MOUNTAINS OF SERN CO AND NERN NM

AND TRACK SEWD. STRONG SURFACE HEATING AND MODEST LOW LEVEL MOISTURE

ALONG A RESIDUAL FRONT BACKED INTO THE SRN HIGH PLAINS WILL

CONTRIBUTE TO MODERATE INSTABILITY THAT SHOULD FUEL THE DEVELOPING

TSTMS. MID LEVEL FEATURES SUPPORTING STRONGER LARGE SCALE ASCENT

ACROSS THE REGION REMAIN NONDESCRIPT. HOWEVER...THE ENTIRE REGION

LIES BENEATH THE SWRN FLANK OF STRONGER NWLY MID LEVEL FLOW

WHICH...ATOP LOW LEVEL SLY FLOW...SHOULD RESULT IN EFFECTIVE SHEAR

AROUND 50KT. THUS KINEMATIC AND THERMODYNAMIC REGIME WILL BE MORE

THAN ADEQUATE FOR UPDRAFT PERSISTENCE AND ROTATION. PRIMARY SEVERE

IMPACTS SHOULD BE LARGE HAIL...PERHAPS A HAIL FEW REPORTS AOA 2

INCHES IN DIAMETER...AND LOCALLY DAMAGING WINDS. THERE IS A CHANCE

FOR A TORNADO OR TWO IF DISCRETE CELLS CAN DEVELOP NEAR/ALONG WIND

SHIFT/OUTFLOW SITUATED FROM WRN OK INTO SWRN KS WHERE LOW LEVEL

SHEAR WILL BE ENHANCED. PRESENT INDICATIONS ARE THAT LACK OF GREATER

LOW LEVEL MOISTURE AND THE POTENTIAL FOR OUTFLOW DOMINANT STORMS

SHOULD KEEP TORNADO POTENTIAL LIMITED.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 33030.





...CARBIN

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