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Mesoscale Discussion 473
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   Mesoscale Discussion 0473
   NWS Storm Prediction Center Norman OK
   0743 PM CDT Fri Apr 24 2020

   Areas affected...portions of east/southeast Texas into northern and
   central Louisiana

   Concerning...Severe potential...Watch possible 

   Valid 250043Z - 250145Z

   Probability of Watch Issuance...60 percent

   SUMMARY...Risk for large hail and locally damaging winds will
   continue to increase over parts of east/southeast Texas and into
   northern and central Louisiana.  A new WW may be needed.

   DISCUSSION...Latest visible satellite imagery shows storms
   developing southwestward along the east Texas cold front -- with new
   development near and just south of the southern edge of Tornado
   Watch 146.  Meanwhile, couple of new updrafts are initiating over
   northern Louisiana, and with time, expect the ongoing east Texas
   storms to spread eastward into/across northern and central
   Louisiana.

   Evening RAOBs and RAP-based objective analysis show ample
   instability (mixed-layer CAPE 1000 to 1500 J/kg), and shear
   favorable for supercells.  As such, potential for large hail and
   damaging winds -- and possibly a tornado -- should evolve and
   persist well into the evening, especially over parts of Louisiana
   east of Tornado Watch 146.

   ..Goss.. 04/25/2020

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

   ATTN...WFO...JAN...LCH...SHV...HGX...FWD...

   LAT...LON   33049321 32919210 31969188 31229293 30329520 30619719
               31499582 31339481 31629376 33049321 

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