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Mesoscale Discussion 1416
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   Mesoscale Discussion 1416
   NWS Storm Prediction Center Norman OK
   0153 PM CDT Sun Aug 01 2021

   Areas affected...Central/Eastern NC...Northeastern SC

   Concerning...Severe Thunderstorm Watch 408...

   Valid 011853Z - 012030Z

   The severe weather threat for Severe Thunderstorm Watch 408
   continues.

   SUMMARY...Severe threat across much of central/eastern NC and
   northeast SC is expected to continue throughout the afternoon.

   DISCUSSION...Cluster of thunderstorms ahead of the surface low about
   30 miles west of GSB continues to show sporadic updraft
   intensification as a generally multicell-in-cluster mode dominates.
   Winds north of Pamlico Sound have mostly veered southwesterly, but
   south of the Sound winds are still southeasterly. These
   southeasterly winds may contribute to an increase in low-level
   vertical shear, resulting in slightly greater severe risk across
   this region as both low-level convergence and storm-relatively
   helicity increase. 

   Another round of showers and thunderstorms has also developed across
   central NC/north-central SC. The downstream area across southern NC
   and adjacent northeast SC remains very moist and moderately
   unstable, suggesting the potential for damaging downbursts will
   persist throughout the afternoon.

   ..Mosier.. 08/01/2021

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

   ATTN...WFO...AKQ...MHX...RAH...ILM...CAE...GSP...

   LAT...LON   34267744 33857938 34338065 35597991 36027777 36127625
               35617562 34267744 

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Page last modified: August 01, 2021
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