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Tornado Watch 640
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WW0640 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
Moderate 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.
   SEL0
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 640
   NWS STORM PREDICTION CENTER NORMAN OK
   410 PM CDT THU JUL 30 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          PARTS OF NORTHEAST ARKANSAS
          MUCH OF NORTHERN MISSISSIPPI
          WESTERN AND PARTS OF MIDDLE TENNESSEE
   
   EFFECTIVE THIS THURSDAY AFTERNOON FROM 410 PM UNTIL MIDNIGHT 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 70 STATUTE
   MILES EAST AND WEST OF A LINE FROM 40 MILES SOUTH SOUTHWEST OF
   OXFORD MISSISSIPPI TO 80 MILES NORTHEAST OF JACKSON TENNESSEE. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU0).
   
   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 639...
   
   DISCUSSION...SEVERAL ROTATING THUNDERSTORMS HAVE DEVELOPED VICINITY
   MS RIVER AND WILL BE MOVING INTO A VERY MOIST AND FAVORABLY SHEARED
   AIR MASS.  SUPERCELLS INCLUDING TORNADOES ARE LIKELY TO DEVELOP EWD
   ACROSS THE WATCH THROUGH THE EVENING.
   
   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 24035.
   
   
   ...HALES
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