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Tornado Watch 202
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WW0202 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood High Moderate
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
High High

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 202
   NWS STORM PREDICTION CENTER NORMAN OK
   510 PM CDT SAT MAY 22 2010
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          SOUTHEAST NORTH DAKOTA
          EASTERN SOUTH DAKOTA
   
   EFFECTIVE THIS SATURDAY AFTERNOON AND SUNDAY MORNING FROM 510 PM
   UNTIL 100 AM CDT.
   
   TORNADOES...HAIL TO 4 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 30 MILES NORTHEAST OF
   JAMESTOWN NORTH DAKOTA TO 55 MILES EAST SOUTHEAST OF PIERRE SOUTH
   DAKOTA.  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.
   
   DISCUSSION...SUPERCELL THUNDERSTORMS ARE EXPECTED TO RAPIDLY
   INTENSIFY THIS AFTERNOON NEAR SURFACE LOW OVER CENTRAL SD...AND
   TRACK NORTHEASTWARD ACROSS THE WATCH AREA.  EXTREME
   INSTABILITY...COUPLED WITH FAVORABLE LOW LEVEL AND DEEP LAYER
   VERTICAL SHEAR WILL PROMOTE A RISK OF VERY LARGE HAIL AND TORNADOES.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 4 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   550. MEAN STORM MOTION VECTOR 25035.
   
   
   ...HART
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