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Tornado Watch 107
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WW0107 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Moderate
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
Moderate 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 107
   NWS STORM PREDICTION CENTER NORMAN OK
   135 PM CDT THU APR 2 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          WESTERN AND CENTRAL ALABAMA
          THE WESTERN FLORIDA PANHANDLE
          SOUTHEAST MISSISSIPPI
          SOUTHERN MIDDLE TENNESSEE
          COASTAL WATERS
   
   EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 135 PM UNTIL
   800 PM CDT.
   
   TORNADOES...HAIL TO 2 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 EAST AND WEST OF A LINE FROM 90 MILES NORTH OF HUNTSVILLE
   ALABAMA TO 50 MILES SOUTHWEST OF PENSACOLA FLORIDA.  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 103...WW 104...WW
   105...WW 106...
   
   DISCUSSION...A PRE-FRONTAL BAND OF SEVERE STORMS IN MS WILL SPREAD
   EWD/NEWD INTO AL/TN DURING THE NEXT FEW HOURS IN ASSOCIATION WITH A
   LEAD SHORTWAVE TROUGH EJECTING AHEAD OF THE PRIMARY SYNOPTIC WAVE
   NEAR TXK.  THOUGH THE ONGOING GULF COAST CONVECTION HAS DISRUPTED
   MOIST INFLOW ACROSS AL AND WILL TEND TO LIMIT THE ERN EXTENT OF THE
   SEVERE THREAT FOR THE NEXT FEW HOURS...BOUNDARY LAYER DEWPOINTS IN
   THE 60S AND SOME HEATING IN CLOUD BREAKS WILL CONTRIBUTE TO
   SUFFICIENT INSTABILITY TO MAINTAIN A SEVERE STORM THREAT A LITTLE
   FARTHER W THROUGH THE AFTERNOON.  LOCAL VWP/S ALSO SHOW SUFFICIENT
   VEERING AND SPEED INCREASES WITH HEIGHT TO SUPPORT SUPERCELLS AND AN
   ATTENDANT THREAT FOR A FEW TORNADOES...LARGE HAIL...AND DAMAGING
   WINDS THROUGH THE AFTERNOON.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   500. MEAN STORM MOTION VECTOR 25035.
   
   
   ...THOMPSON
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