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Severe Thunderstorm Watch 327
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WW0327 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.
   SEL7

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 327
   NWS Storm Prediction Center Norman OK
   100 AM CDT Sun Aug 5 2018

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Northwest Iowa
     Southwest Minnesota
     Southeast South Dakota

   * Effective this Sunday morning from 100 AM until 700 AM CDT.

   * Primary threats include...
     Scattered damaging wind gusts to 70 mph possible
     Isolated very large hail events to 2 inches in diameter possible

   SUMMARY...Strong to severe thunderstorms are expected to continue
   overnight across southeast South Dakota and spread southeastward
   into portions of northwest Iowa and southwest Minnesota. Isolated
   large hail will be possible, along with severe-caliber winds,
   particularly if storms increasingly organize into a cluster early in
   the overnight.

   The severe thunderstorm watch area is approximately along and 40
   statute miles north and south of a line from 20 miles south
   southwest of Mitchell SD to 35 miles south of Worthington MN. For a
   complete depiction of the watch see the associated watch outline
   update (WOUS64 KWNS WOU7).

   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 inches. Extreme turbulence and surface wind gusts to 60 knots. A
   few cumulonimbi with maximum tops to 600. Mean storm motion vector
   30025.

   ...Guyer
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Page last modified: August 05, 2018
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