

835 

WWUS20 KWNS 252326

SEL9

SPC WW 252326

NMZ000-TXZ000-260500-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 219

NWS STORM PREDICTION CENTER NORMAN OK

625 PM CDT SAT MAY 25 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  SOUTHEAST NEW MEXICO

  A SMALL PART OF WEST TEXAS



* EFFECTIVE THIS SATURDAY NIGHT FROM 625 PM UNTIL MIDNIGHT CDT.



* PRIMARY THREATS INCLUDE...

  A FEW DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  A FEW LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55

STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES NORTH

NORTHEAST OF HOBBS NEW MEXICO TO 45 MILES WEST SOUTHWEST OF WINK

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

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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 217...WW 218...



DISCUSSION...ONGOING STORMS IN SE NM WILL CONTINUE TO SPREAD

EWD/SEWD TOWARD ADJACENT AREAS OF W TX THIS EVENING.  THE STORMS

WILL BE MAINTAINED BY A RELATIVELY WARM/DEEPLY-MIXED INFLOW AIR MASS

WITH MLCAPE APPROACHING 2000 J/KG...AND MARGINALLY SUFFICIENT

DEEP-LAYER VERTICAL SHEAR FOR ORGANIZED CLUSTERS/SUPERCELLS.  GIVEN

THE STEEP LAPSE RATES IN THE LOW-MID LEVELS...THE PRIMARY THREATS

WILL BE LARGE HAIL AS WELL AS DAMAGING GUSTS.



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

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM

MOTION VECTOR 29015.





...THOMPSON

