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Tornado Watch 572
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WW0572 Radar
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 572
   NWS STORM PREDICTION CENTER NORMAN OK
   445 PM CDT WED AUG 8 2007
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          SOUTHERN IOWA
          NORTHEAST KANSAS
          NORTHERN MISSOURI
          SOUTHEAST NEBRASKA
   
   EFFECTIVE THIS WEDNESDAY AFTERNOON FROM 445 PM UNTIL MIDNIGHT 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 50 STATUTE
   MILES NORTH AND SOUTH OF A LINE FROM 20 MILES SOUTHWEST OF
   BEATRICE NEBRASKA TO 25 MILES NORTHEAST OF KIRKSVILLE MISSOURI. 
   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.
   
   OTHER WATCH INFORMATION...CONTINUE...WW 568...WW 569...WW
   570...WW 571...
   
   DISCUSSION...SUPERCELL THUNDERSTORMS ARE EXPECTED TO RAPIDLY DEVELOP
   IN THE NEXT 1-2 HOURS OVER SOUTHEAST NEB AND NORTHEAST KS...WHERE
   EXTREMELY UNSTABLE AIR MASS AND FAVORABLE VERTICAL SHEAR PROFILES
   ARE PRESENT.  THESE STORMS ARE LIKELY TO TRACK EASTWARD ALONG
   SURFACE BOUNDARY ACROSS NORTHERN MO AND EXTREME SOUTHERN IA DURING
   THE EVENING.  DAMAGING WINDS AND LARGE HAIL ARE THE MAIN THREATS. 
   HOWEVER...DEGREE OF INSTABILITY...SURFACE DEWPOINTS IN THE MID/UPPER
   70S...AND SUFFICIENT LOW LEVEL SHEAR INDICATE A RISK OF ISOLATED
   TORNADOES.
   
   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
   600. MEAN STORM MOTION VECTOR 27030.
   
   
   ...HART
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Page last modified: August 09, 2007
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