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Severe Thunderstorm Watch 369
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WW0369 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
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.
   SEL9

   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 369
   NWS STORM PREDICTION CENTER NORMAN OK
   820 PM CDT SUN JUN 29 2014

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
     EASTERN IOWA
     NORTHWEST ILLINOIS
     SOUTHWEST WISCONSIN

   * EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 820 PM
     UNTIL 300 AM CDT.

   * PRIMARY THREATS INCLUDE...
     SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
       INCHES IN DIAMETER POSSIBLE
     SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
     A TORNADO OR TWO POSSIBLE

   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 40 MILES NORTH OF
   KNOXVILLE IOWA TO 30 MILES EAST SOUTHEAST OF LONEROCK WISCONSIN. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU9).

   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 367...WW 368...

   DISCUSSION...INITIAL RIGHT- AND LEFT-MOVING SUPERCELLS WILL SPREAD
   GENERALLY EWD INTO THE WATCH AREA FROM CENTRAL/NE IA THE NEXT FEW
   HOURS.  THE STORM ENVIRONMENT WILL REMAIN FAVORABLE FOR ROTATING
   STORMS...THOUGH LOW-LEVEL SHEAR IS NOT PARTICULARLY STRONG AND STORM
   INTERACTIONS COULD EVENTUALLY LEAD TO MORE OF A CLUSTER STORM MODE. 
   LARGE HAIL AND DAMAGING WINDS WILL BE THE MAIN THREATS...THOUGH AN
   ISOLATED TORNADO CANNOT BE RULED OUT LATE THIS EVENING ACROSS
   EXTREME NE IA.

   AVIATION...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 550. MEAN STORM
   MOTION VECTOR 27030.


   ...THOMPSON
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Page last modified: June 30, 2014
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