Mesoscale Discussion 1344
   NWS Storm Prediction Center Norman OK
   1213 PM CDT Sun Jul 26 2020

   Areas affected...south Texas

   Concerning...Tornado Watch 403...

   Valid 261713Z - 261915Z

   The severe weather threat for Tornado Watch 403 continues.

   SUMMARY...A modest threat for a couple of brief tornadoes will
   persist this afternoon across south Texas.

   DISCUSSION...Convective rainbands in the eastern semi-circle of
   tropical storm Hanna continue spreading inland from the western
   Gulf. Latest VWP and objective analysis indicate 0-1 km storm
   relative helicity from 150-250 m2/s2, and while not particularly
   large, low-level shear remains at least sufficient for a threat of
   low-level mesocyclones. Greater 0-1 km helicity is displaced west of
   the stronger surface destabilization which is occurring closer to
   the coast, and character of the convection has been somewhat
   disorganized overall. As Hanna continues in a west southwesterly
   direction, 0-1 km hodographs should undergo a gradual decrease. In
   the meantime, at least a modest threat for a couple of tornadoes
   will persist through mid afternoon.

   ..Dial.. 07/26/2020

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

   ATTN...WFO...CRP...BRO...

   LAT...LON   25989833 26799915 27669942 28029880 27819768 27249723
               26029701 25989833