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Tornado Watch 767
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WW0767 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Low Very 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.
   SEL7
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 767
   NWS STORM PREDICTION CENTER NORMAN OK
   730 AM CST FRI DEC 31 2010
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          NORTHERN ARKANSAS
          WEST CENTRAL ILLINOIS
          SOUTHERN...CENTRAL...AND EASTERN MISSOURI
   
   EFFECTIVE THIS FRIDAY MORNING AND AFTERNOON FROM 730 AM UNTIL 300
   PM CST.
   
   TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
   TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE
   MILES EAST AND WEST OF A LINE FROM 50 MILES NORTHWEST OF SAINT
   LOUIS MISSOURI TO 20 MILES WEST OF RUSSELLVILLE ARKANSAS.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU7).
   
   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...CONTINUE...WW 765...
   
   DISCUSSION...SCTD TSTMS EXPECTED TO CONTINUE ALONG AND AHEAD OF
   EWD-MOVING COLD FRONT NOW OVER WRN MO/ERN OK AS LARGE SCALE ASCENT
   ASSOCIATED WITH NEG TILT SHORTWAVE IMPULSE CONTINUES NE ACROSS
   REGION.  WHILE SFC-BASED INSTABILITY WILL BE WEAK...STRENGTH OF
   SHEAR...CONTINUED MOIST INFLOW...AND CONVERGENCE ALONG
   FRONT/EXISTING OUTFLOW BOUNDARIES SUGGEST POSSIBILITY FOR A FEW
   SUSTAINED STORMS AND POSSIBLY A COUPLE SUPERCELLS.  THESE COULD
   YIELD BRIEF TORNADOES AND LOCALLY DMGG WIND.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
   GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400.
   MEAN STORM MOTION VECTOR 24050.
   
   
   ...CORFIDI
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Page last modified: December 31, 2010
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