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Tornado Watch 105
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WW0105 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood High 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.
   SEL5
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 105
   NWS STORM PREDICTION CENTER NORMAN OK
   925 AM CDT THU APR 2 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          EXTREME SOUTHEAST ARKANSAS
          PARTS OF EASTERN LOUISIANA
          CENTRAL MISSISSIPPI
   
   EFFECTIVE THIS THURSDAY MORNING AND AFTERNOON FROM 925 AM UNTIL
   500 PM CDT.
   
   TORNADOES...HAIL TO 2.5 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 100 STATUTE
   MILES EAST AND WEST OF A LINE FROM 15 MILES NORTHWEST OF
   GREENWOOD MISSISSIPPI TO 40 MILES EAST OF BATON ROUGE LOUISIANA. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU5).
   
   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 102...WW 103...WW 104...
   
   DISCUSSION...A SQUALL LINE IN LA WILL CONTINUE TO MOVE EWD ACROSS
   LA/MS THROUGH THIS AFTERNOON IN ASSOCIATION WITH A LEAD SHORTWAVE
   TROUGH AHEAD OF THE PRIMARY SYNOPTIC LOW OVER N TX/SRN OK.  12Z
   SOUNDINGS IN ADVANCE OF THE CONVECTION REVEALED AN ENVIRONMENT OF
   STEEP MID LEVEL LAPSE RATES ABOVE A MOIST BOUNDARY LAYER...WHICH
   WILL SUPPORT STRONG INSTABILITY WITH DAYTIME HEATING.  DEEP LAYER
   AND LOW-LEVEL VERTICAL SHEAR WILL BECOME FAVORABLE FOR BOWING
   SEGMENTS WITH DAMAGING WINDS IN THE LINE...WHILE SUPERCELLS WILL BE
   POSSIBLE BOTH WITHIN THE LINE AND PERHAPS E OF THE LINE THIS
   AFTERNOON AS CONVECTIVE INHIBITION WEAKENS.  THE SUPERCELLS WILL BE
   CAPABLE OF PRODUCING TORNADOES...PERHAPS AN ISOLATED STRONG TORNADO
   OR TWO...IN ADDITION TO VERY LARGE HAIL AND DAMAGING WINDS.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   500. MEAN STORM MOTION VECTOR 25040.
   
   
   ...THOMPSON
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