

000 

WWUS20 KWNS 142330

SEL1

SPC WW 142330

NMZ000-TXZ000-150600-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 831

NWS STORM PREDICTION CENTER NORMAN OK

630 PM CDT THU AUG 14 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       PARTS OF SOUTHEASTERN NEW MEXICO

       MUCH OF SOUTHERN TEXAS PANHANDLE



EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 630 PM

UNTIL 100 AM 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 40 MILES SOUTH

SOUTHEAST OF CHILDRESS TEXAS TO 30 MILES NORTH NORTHWEST OF

ROSWELL NEW MEXICO.  FOR A COMPLETE DEPICTION OF THE WATCH SEE

THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).



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 828...WW 829...WW 830...



DISCUSSION...SEVERE THUNDERSTORMS OVER NRN TX PANHANDLE INTO

ECENTRAL NM DEVELOPING COLD POOLS WHICH WILL SUPPORT SEWD

DEVELOPMENT ACROSS THE WATCH AREA.  WITH STEEP LOW LEVEL LAPSE RATES

AND 30KT OF DEEP LAYER SHEAR DAMAGING WINDS ALONG WITH LARGE HAIL

WILL SPREAD SEWD THRU THE EVENING.



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 550. MEAN STORM

MOTION VECTOR 32025.





...HALES

