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Severe Thunderstorm Watch 483
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WW0483 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.
   SEL3

   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 483
   NWS STORM PREDICTION CENTER NORMAN OK
   140 PM CDT SUN AUG 9 2015

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
     NORTHWEST IOWA
     SOUTHWEST MINNESOTA
     NORTHEAST NEBRASKA
     SOUTH DAKOTA

   * EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 140 PM UNTIL
     1000 PM CDT.

   * PRIMARY THREATS INCLUDE...
     SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5
       INCHES IN DIAMETER POSSIBLE
     SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
     A TORNADO OR TWO POSSIBLE

   SUMMARY...SEVERE THUNDERSTORMS ARE EXPECTED TO INCREASE THROUGH
   MID/LATE AFTERNOON...INITIALLY ACROSS NORTHERN AND EAST-CENTRAL
   SOUTH DAKOTA AND NORTHEAST NEBRASKA. LARGE HAIL AND DAMAGING WINDS
   WILL BE POSSIBLE AND A BRIEF TORNADO COULD ALSO OCCUR. STORMS MAY
   ULTIMATELY MERGE AND DEVELOP INTO A SOUTHEASTWARD-MOVING LINE OF
   SEVERE CONVECTION BY EARLY EVENING.

   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 30 MILES SOUTH
   SOUTHWEST OF PIERRE SOUTH DAKOTA TO 55 MILES EAST SOUTHEAST OF
   SIOUX FALLS SOUTH DAKOTA.  FOR A COMPLETE DEPICTION OF THE WATCH
   SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).

   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.

   &&

   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
   MOTION VECTOR 29030.


   ...GUYER
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Page last modified: August 10, 2015
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