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Severe Thunderstorm Watch 344
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WW0344 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Low
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
Low 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.
   SEL4

   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 344
   NWS STORM PREDICTION CENTER NORMAN OK
   835 PM CDT SAT JUN 21 2014

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
     NORTHWESTERN IOWA
     SOUTHWESTERN MINNESOTA
     NORTHEASTERN NEBRASKA
     SOUTHEASTERN SOUTH DAKOTA

   * EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 835 PM
     UNTIL 300 AM CDT.

   * PRIMARY THREATS INCLUDE...
     SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75
       MPH POSSIBLE
     ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE

   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 55 MILES WEST
   SOUTHWEST OF MITCHELL SOUTH DAKOTA TO 15 MILES SOUTH SOUTHEAST OF
   WORTHINGTON MINNESOTA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE
   THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).

   PRECAUTIONARY/PREPAREDNESS ACTIONS...

   REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
   FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
   DO PRODUCE TORNADOES.

   &&

   OTHER WATCH INFORMATION...CONTINUE...WW 340...WW 341...WW
   342...WW 343...

   DISCUSSION...MERGER OF TWO TSTM AREAS AND THEIR OUTFLOW BOUNDARIES
   NOW IN WW 341 IS EXPECTED TO YIELD MCS WITH PRIMARY RISK OF DAMAGING
   WIND...SHIFTING EWD TO ESEWD ACROSS THIS REGION INTO TONIGHT. 
   FORCED ASCENT WILL OVERCOME GRADUAL INCREASE IN MLCINH TO MAINTAIN
   SOME DAMAGING WIND THREAT AT LEAST AS FAR E AS EXTREME SWRN MN/NWRN
   IA.

   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
   MOTION VECTOR 28030.


   ...EDWARDS
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Page last modified: June 22, 2014
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