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949 

WWUS20 KWNS 141835

SEL7

SPC WW 141835

NMZ000-OKZ000-TXZ000-150200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 317

NWS STORM PREDICTION CENTER NORMAN OK

135 PM CDT MON JUN 14 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       SOUTHEAST NEW MEXICO

       SOUTHWEST OKLAHOMA

       WEST TEXAS



EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 135 PM UNTIL 900

PM 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 60

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 45 MILES SOUTHEAST

OF OKLAHOMA CITY OKLAHOMA TO 35 MILES WEST OF WINK TEXAS.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU7).



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 316...



DISCUSSION...LINE OF STRONG STORMS WILL CONTINUE TO INTENSIFY ALONG

REMNANT OUTFLOW BOUNDARY/COLD FRONT OVER WEST TX AND SOUTHWEST OK

THROUGH THE AFTERNOON.  A VERY UNSTABLE AIR MASS...COUPLED WITH

CONVERGENCE ALONG THE BOUNDARY AND SUFFICIENT EFFECTIVE SHEAR WILL

PROMOTE ORGANIZED MULTICELL AND ISOLATED SUPERCELL STORMS.  LARGE

HAIL APPEARS TO BE THE MAIN THREAT...ALTHOUGH LOCALLY DAMAGING WINDS

ARE ALSO POSSIBLE AS OUTFLOWS CONGEAL.



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 500. MEAN STORM

MOTION VECTOR 26025.





...HART

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