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Tornado Watch 2
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WW0002 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Low 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.
   SEL2
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 2
   NWS STORM PREDICTION CENTER NORMAN OK
   1035 PM CST FRI JAN 20 2012
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          NORTHERN ALABAMA
          NORTHERN MISSISSIPPI
          SOUTHWEST AND MIDDLE TENNESSEE
   
   EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 1035 PM
   UNTIL 500 AM 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 65 STATUTE
   MILES NORTH AND SOUTH OF A LINE FROM 70 MILES NORTHWEST OF
   GREENWOOD MISSISSIPPI TO 75 MILES NORTHEAST OF HUNTSVILLE
   ALABAMA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).
   
   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.
   
   DISCUSSION...THUNDERSTORMS ARE BEGINNING TO DEVELOP ALONG A FRONT
   ACROSS TN.  STORM COVERAGE/INTENSITY ARE EXPECTED TO INCREASE AND
   STORMS WILL SPREAD EWD/SEWD OVERNIGHT AS A WEAK LOW DEVELOPS ACROSS
   TN...AND A MIDLEVEL TROUGH MOVES EWD FROM OK/AR/MO.  THE WARM SECTOR
   S OF THE FRONT IS WEAKLY UNSTABLE WITH LOW-LEVEL AND DEEP-LAYER
   VERTICAL SHEAR THAT IS FAVORABLE FOR EMBEDDED SUPERCELLS AND BOWING
   SEGMENTS.  DAMAGING WINDS WILL BE THE MAIN SEVERE THREAT
   OVERNIGHT...BUT A TORNADO OR TWO MAY OCCUR IN THE MOIST/STRONGLY
   SHEARED ENVIRONMENT...AND MARGINALLY SEVERE HAIL WILL ALSO BE
   POSSIBLE.
   
   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 450.
   MEAN STORM MOTION VECTOR 26040.
   
   
   ...THOMPSON
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Page last modified: January 21, 2012
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