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Mesoscale Discussion 772
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   Mesoscale Discussion 0772
   NWS Storm Prediction Center Norman OK
   0257 PM CDT Sun May 15 2022

   Areas affected...North-Central/Northeast OK

   Concerning...Severe Thunderstorm Watch 217...

   Valid 151957Z - 152100Z

   The severe weather threat for Severe Thunderstorm Watch 217
   continues.

   SUMMARY...Additional thunderstorm development may occur across
   north-central and northeast OK. Some storms could produce strong
   wind gusts and/or hail, and trends are being monitored for
   additional watch issuance.

   DISCUSSION...Visible satellite imagery depicts a well-defined
   outflow boundary extending from near END eastward through TQH.
   Convection has recently deepened over Adair County OK with deepening
   cumulus noted west into Creek and Tulsa Counties as well. Low to
   mid-level temperatures are quite warm across the region, as sampled
   by the 18Z OUN sounding. However, continued heating and modest
   convergence along this outflow could reduce convective inhibition
   enough to foster additional thunderstorm development. With a
   strongly unstable air mass in place, any storms that do develop
   should have robust updrafts capable of damaging wind gusts and
   isolated hail. While there is some question regarding storm
   coverage, trends are being monitored for additional watch issuance
   across north-central and northeast OK.

   ..Mosier.. 05/15/2022

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

   ATTN...WFO...TSA...OUN...

   LAT...LON   36519566 35969455 35389469 35259551 35549719 35919846
               36739816 36519566 

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