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Mesoscale Discussion 1420
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   Mesoscale Discussion 1420
   NWS Storm Prediction Center Norman OK
   0802 PM CDT Fri Aug 07 2020

   Areas affected...the central and northern Minnesota vicinity

   Concerning...Severe Thunderstorm Watch 420...

   Valid 080102Z - 080300Z

   The severe weather threat for Severe Thunderstorm Watch 420
   continues.

   SUMMARY...A small cluster of strong/severe storms continues across
   north-central Minnesota, where severe weather remains a threat.

   DISCUSSION...A small cluster of strong to severe storms is moving
   across north-central Minnesota at this time, in tandem with an
   eastward-moving MCV.  The storms are occurring on the northern
   fringe of a zone of moderate instability, where veering/increasing
   flow with height is supporting storm organization/rotation.

   One storm in particular -- now moving eastward across southern
   Hubbard County at around 20 kt -- has shown recent radar indications
   of updraft rotation.  The storms -- and associated severe risk --
   will continue over the next couple of hours, particularly across the
   northern half of WW 420.  A more stable airmass exists with eastward
   extent, and particularly east of the Mississippi Valley, which --
   combined with gradual diurnal cooling -- should eventually lead to a
   gradual decrease in convective intensity.

   ..Goss.. 08/08/2020

   ...Please see www.spc.noaa.gov for graphic product...

   ATTN...WFO...DLH...MPX...FGF...

   LAT...LON   47579428 47139197 45429220 45349374 45749497 46669578
               46879586 47329557 47579428 

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