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Tornado Watch 424
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WW0424 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
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.
   SEL4
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 424
   NWS STORM PREDICTION CENTER NORMAN OK
   530 PM CDT FRI JUN 3 2011
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          NORTHEAST MINNESOTA INCLUDING THE ARROWHEAD
          NORTHWEST WISCONSIN
   
   EFFECTIVE THIS FRIDAY AFTERNOON FROM 530 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 60 STATUTE
   MILES EAST AND WEST OF A LINE FROM 25 MILES NORTH OF ELY
   MINNESOTA TO 40 MILES EAST SOUTHEAST OF BRAINERD MINNESOTA.  FOR
   A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU4).
   
   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 423...
   
   DISCUSSION...TSTMS ARE DEVELOPING ALONG A COLD FRONT WITHIN A MOIST
   AND MODERATELY UNSTABLE AIR MASS WHERE MLCAPE HAS INCREASED TO
   1500-2500 J/KG.  THIS AREA OF INITIATION COINCIDES WITH THE SERN
   EDGE OF 70-75 KT MIDLEVEL JET STREAK...RESULTING IN 45-50+ KT
   DEEP...SWLY SHEAR.  AS SUCH...SETUP WILL FAVOR SUPERCELL EVOLUTION
   WITH THE PRIMARY HAZARD BEING VERY LARGE HAIL.  A COUPLE OF
   TORNADOES WILL BE POSSIBLE WITH ANY MATURE SUPERCELLS THAT CAN
   FAVORABLY INTERACT WITH WELL-DEFINED LAKE BREEZE BOUNDARY.
   
   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.
   
   
   ...MEAD
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