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URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 383

NWS STORM PREDICTION CENTER NORMAN OK

345 PM CDT TUE JUN 12 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EAST-CENTRAL AND SOUTHEAST NEW MEXICO

       WESTERN TEXAS



EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 345 PM UNTIL

1100 PM CDT.



HAIL TO 2.5 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 EAST AND WEST OF A LINE FROM 60 MILES NORTHWEST OF

CANNON AFB NEW MEXICO TO 60 MILES WEST SOUTHWEST OF FORT STOCKTON

TEXAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).



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 381...WW 382...



DISCUSSION...TSTMS ARE EXPECTED TO INCREASE IN COVERAGE ALONG THE

HIGH TERRAIN OF S-CNTRL NM AND FAR WRN TX LATE THIS AFTERNOON INTO

EVENING OWING TO SUSTAINED LOW-LEVEL UPSLOPE REGIME.  AMBIENT INFLOW

AIR MASS IS CHARACTERIZED BY TEMPERATURES IN THE 90S AND DEWPOINTS

IN THE 50S...YIELDING MLCAPE VALUES OF 1500-2500 J/KG.  WHEN COUPLED

WITH A WIND PROFILE FEATURING PRONOUNCED VEERING OF WINDS WITH

HEIGHT AND 40-50 KT OF DEEP-LAYER SHEAR...SETUP WILL FAVOR

SUPERCELLS CAPABLE OF VERY LARGE HAIL AND DAMAGING WIND GUSTS.



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

TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

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

MOTION VECTOR 28025.





...MEAD

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