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Severe Thunderstorm Watch 356
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WW0356 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Low
Severe Wind 65 kt+ Wind
High Moderate
Severe Hail 2"+ Hail
High 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.
   SEL6

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 356
   NWS Storm Prediction Center Norman OK
   110 PM CDT Sat Jul 11 2020

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Northern and East-Central Iowa
     Southern Minnesota

   * Effective this Saturday afternoon and evening from 110 PM until
     800 PM CDT.

   * Primary threats include...
     Scattered damaging winds likely with isolated significant gusts
       to 75 mph possible
     Scattered large hail likely with isolated very large hail events
       to 2.5 inches in diameter possible

   SUMMARY...Thunderstorms will continue to intensify and organize
   initially across southern Minnesota and into northern Iowa. Some
   initial supercells are expected, with large and damaging winds
   expected. Storms may gradually merge into southeastward-moving
   clusters with a broader damaging wind potential evolving later this
   afternoon.

   The severe thunderstorm watch area is approximately along and 100
   statute miles north and south of a line from 30 miles south
   southwest of Redwood Falls MN to 15 miles north northeast of
   Waterloo IA. For a complete depiction of the watch see the
   associated watch outline update (WOUS64 KWNS WOU6).

   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 65 knots. A
   few cumulonimbi with maximum tops to 550. Mean storm motion vector
   31030.

   ...Guyer
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