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Tornado Watch 227
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WW0227 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Moderate
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
High 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.
   SEL7
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 227
   NWS STORM PREDICTION CENTER NORMAN OK
   300 PM CDT SAT MAY 2 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          NORTHERN ALABAMA
          NORTH-CENTRAL MISSISSIPPI
   
   EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 300 PM UNTIL
   900 PM CDT.
   
   TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND
   GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
   AREAS.
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
   MILES NORTH AND SOUTH OF A LINE FROM 20 MILES SOUTH SOUTHWEST OF
   GREENVILLE MISSISSIPPI TO 30 MILES EAST NORTHEAST OF GADSDEN
   ALABAMA.  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 225...WW 226...
   
   DISCUSSION...STORMS INCREASING WITHIN REMNANT MCV AND ALONG FRONTAL
   ZONE NEAR AL/MS BORDER HAVE RECENTLY REACHED SEVERE LEVELS WITH SOME
   REPORTS OF TORNADOES. THIS CONVECTION WAS WELL IN ADVANCE OF
   STRONGER SYSTEM DEVELOPING EAST FROM NERN TX BUT THE ACTIVITY WILL
   CONTINUE TO MOVE EAST INTO RECOVERING AIR MASS ACROSS NRN AL.
   INCREASING DEEP-LAYER FLOW IN A BAND SOUTH OF THE MCV...AND
   INCREASING INSTABILITY OVER AL SHOULD CONTINUE TO SUPPORT SOME
   SEVERE STORMS WITH WIND AND PERHAPS SOME HAIL. GREATER AND MORE
   WIDESPREAD TORNADO AND WIND THREAT EXPECTED TO EVOLVE EWD FROM AR
   INTO MS AND THEN AGAIN AL LATER TODAY. THIS CONVECTION WILL BE
   ASSOCIATED WITH LARGE SCALE ASCENT AHEAD OF EWD MOVING MID/UPPER
   LEVEL WAVE. CELLS TRACKING ALONG NEAR THE FRONTAL ZONE AND VARIOUS
   OUTFLOW BOUNDARIES FROM ONGOING ACTIVITY WILL HAVE ACCESS TO
   STRONGER LOW LEVEL SHEAR AND COULD PRODUCE A FEW TORNADOES IN
   ADDITION TO LARGE HAIL AND WIND.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   500. MEAN STORM MOTION VECTOR 27025.
   
   
   ...CARBIN
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