Storm Prediction Center Mesoscale Discussion 1030











Mesoscale Discussion 1030
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   Mesoscale Discussion 1030
   NWS Storm Prediction Center Norman OK
   0626 PM CDT Wed May 28 2025

   Areas affected...portions of central Texas

   Concerning...Severe Thunderstorm Watch 343...

   Valid 282326Z - 290100Z

   The severe weather threat for Severe Thunderstorm Watch 343
   continues.

   SUMMARY...Threat for large to very large hail (2+ inches) continues
   within WW343.

   DISCUSSION...Two strong supercells continue within WW343 across
   central Texas this evening, with a history of producing hail up to 2
   inches. The environment within this region continues to be very
   favorably unstable, with steep lapse rates, and strong deep layer
   shear. This will continue to support strong supercells over the next
   few hours. 

   Some mesoscale enhancement has occurred with the cell over
   Williamson/Travis counties as it interacted with a remnant outflow
   boundary. This storm produced hail up to 2 inches as it topped out
   around 50kft. It will continue southward and local extension of
   WW343 may be needed to account for this threat.

   ..Thornton.. 05/28/2025

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

   ATTN...WFO...FWD...EWX...SJT...

   LAT...LON   31420016 31989977 32219914 31979867 31499796 31019725
               30779713 30409734 30129747 30049780 30099839 30599949
               31420016 

   MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 95 MPH
   MOST PROBABLE PEAK WIND GUST...55-70 MPH
   MOST PROBABLE PEAK HAIL SIZE...1.50-2.50 IN


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