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Severe Thunderstorm Watch 139
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WW0139 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Low Low
Severe Hail 2"+ Hail
Moderate Moderate

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL9
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 139
   NWS STORM PREDICTION CENTER NORMAN OK
   320 PM CDT SAT APR 11 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          SOUTHEAST NEW MEXICO
          SOUTHWEST INTO WEST CENTRAL TEXAS
   
   EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 320 PM UNTIL
   1100 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 70
   STATUTE MILES EAST AND WEST OF A LINE FROM 75 MILES NORTH
   NORTHEAST OF HOBBS NEW MEXICO TO 20 MILES EAST OF DRYDEN TEXAS. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU9).
   
   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.
   
   DISCUSSION...LARGE SCALE ASCENT WILL CONTINUE TO INCREASE STRONG TO
   SEVERE THUNDERSTORM DEVELOPMENT ACROSS WW THIS EVENING AHEAD OF
   UPPER LOW NOW MOVING INTO THE SRN ROCKIES.  MOISTENING SELY LOW
   LEVEL FLOW SHOULD SUPPORT AXIS OF MODEST INSTABILITY...WITH
   DESTABILIZATION SPREADING ENEWD WITH TIME.  SHEAR IS MORE THAN
   ADEQUATE FOR SUPERCELLS...ALTHOUGH PRIMARY THREAT WILL BE LARGE
   HAIL.  ISOLATED DAMAGING WINDS AND POSSIBLY A TORNADO MAY ACCOMPANY
   SURFACE-BASED STORMS...ESPECIALLY IN SRN PORTIONS OF WW INTO THE
   EARLY 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 450. MEAN STORM
   MOTION VECTOR 22030.
   
   
   ...EVANS
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