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Mesoscale Discussion 454
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MD 454 graphic

   Mesoscale Discussion 0454
   NWS Storm Prediction Center Norman OK
   0322 AM CDT Tue Apr 16 2024

   Areas affected...South-central and southeast NE

   Concerning...Tornado Watch 114...

   Valid 160822Z - 160915Z

   The severe weather threat for Tornado Watch 114 continues.

   SUMMARY...QLCS tornadoes and severe wind gusts should remain the
   primary threats with a north-northeast moving line of storms over
   south-central NE.

   DISCUSSION...Numerous but generally brief, mesovortices were noted
   earlier along the north to eastern flank of a QLCS in south-central
   NE. Measured severe wind gusts up to 67 mph have been common. The
   attendant MCV centered over Dawson County appears to be advancing
   north, along with its immediate downstream deep convection arc. This
   orientation has become perpendicular to the low and deep-layer shear
   vector which is aligned from the south, and should move along the
   fringe of 60-61 F surface dew points. Farther southeast closer to
   the KS border, the bowing arc is closer to slightly richer surface
   dew points (62-63 F), and its orientation should favor sporadic
   transient mesovortices within 40-50 kt of south-southwesterly 0-1 km

   ..Grams.. 04/16/2024

   ...Please see for graphic product...


   LAT...LON   41099918 41719910 41969878 42139821 42129765 41859709
               41139671 40539670 40039692 40069780 41099918 

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