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Severe Thunderstorm Watch 160
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WW0160 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
Moderate Low

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL0
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 160
   NWS STORM PREDICTION CENTER NORMAN OK
   1040 PM CDT WED MAY 12 2010
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          SOUTHWEST OKLAHOMA
          WEST AND NORTHWEST TEXAS
   
   EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 1040 PM
   UNTIL 500 AM 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 80
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM MIDLAND TEXAS TO 55
   MILES SOUTH SOUTHEAST OF ALTUS OKLAHOMA.  FOR A COMPLETE
   DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
   (WOUS64 KWNS WOU0).
   
   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...THIS SEVERE THUNDERSTORM WATCH REPLACES
   SEVERE THUNDERSTORM WATCH NUMBER 156. WATCH NUMBER 156 WILL NOT
   BE IN EFFECT AFTER 1040 PM CDT. CONTINUE...WW 157...WW 158...WW
   159...
   
   DISCUSSION...STORM DEVELOPMENT ALONG RETREATING DRYLINE IS FORECAST
   TO GRADUALLY EVOLVE INTO FORWARD PROPAGATING MCS THROUGH LATE
   TONIGHT/EARLY THURSDAY. THIS PROCESS WILL BE AIDED AS DEEP-LAYER WSW
   FLOW INCREASES ACROSS THE AREA AND LOW LEVEL JET MAINTAINS MASS AND
   MOISTURE INFLOW INTO THE DEVELOPING CONVECTION. INITIAL THREAT WILL
   BE FOR HAIL AND HEAVY RAIN WITH THE POTENTIAL FOR DAMAGING WINDS TO
   EVOLVE AS COLD POOLS CONGEAL AND MAINTAIN STORM-SCALE/MESOSCALE
   ASCENT EWD INTO VERY MOIST UNSTABLE REGIME ACROSS NW TX AND SW OK.
   
   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 550. MEAN STORM
   MOTION VECTOR 24035.
   
   
   ...CARBIN
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