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Tornado Watch 120
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WW0120 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
Severe Wind 65 kt+ Wind
Moderate Low
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
   TORNADO WATCH NUMBER 120
   NWS STORM PREDICTION CENTER NORMAN OK
   1055 PM CDT WED APR 17 2013
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   
   * TORNADO WATCH FOR PORTIONS OF 
     NORTHWEST ARKANSAS
     SOUTH CENTRAL TO EASTERN OKLAHOMA
   
   * EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 1055
     PM UNTIL 600 AM CDT.
   
   * PRIMARY THREATS INCLUDE...
     SEVERAL TORNADOES POSSIBLE
     SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
     SEVERAL LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
   MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH NORTHWEST OF
   FAYETTEVILLE ARKANSAS TO 30 MILES SOUTH SOUTHWEST OF ARDMORE
   OKLAHOMA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).
   
   PRECAUTIONARY/PREPAREDNESS ACTIONS...
   
   REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
   TORNADOES AND 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.
   
   &&
   
   OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO
   WATCH NUMBER 116. WATCH NUMBER 116 WILL NOT BE IN EFFECT AFTER
   1055 PM CDT. CONTINUE...WW 118...WW 119...
   
   DISCUSSION...EARLIER SUPERCELLS ALONG AND JUST AHEAD OF THE COLD
   FRONT HAVE BEEN WEAKENING GRADUALLY...AS CONVECTION BEGINS TO EVOLVE
   INTO MORE LINEAR STRUCTURES.  GIVEN THE PRESENCE OF 1000-1500 J/KG
   MLCAPE IN THE WARM SECTOR AND STRONG VERTICAL SHEAR...ORGANIZED
   BOWING SEGMENTS AND SOME EMBEDDED SUPERCELL STRUCTURES WILL REMAIN
   POSSIBLE OVERNIGHT.  THE MORE COMMON SEVERE STORM THREAT WILL BE
   DAMAGING WINDS AND LARGE HAIL...BUT EMBEDDED CIRCULATIONS/
   MESOVORTICES COULD POSE A RISK OF A TORNADO OR TWO.
   
   AVIATION...TORNADOES AND 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
   500. MEAN STORM MOTION VECTOR 24040.
   
   
   ...THOMPSON
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