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Mesoscale Discussion 143
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MD 143 graphic

   Mesoscale Discussion 0143
   NWS Storm Prediction Center Norman OK
   0916 AM CST Tue Mar 03 2020

   Areas affected...Portions of east-central AL and west-central into
   southwestern GA

   Concerning...Tornado Watch 38...

   Valid 031516Z - 031645Z

   The severe weather threat for Tornado Watch 38 continues.

   SUMMARY...Overall severe threat across east-central AL appears to be
   slowly diminishing. Downstream watch issuance into
   west-central/southwestern GA appears unlikely this morning.

   DISCUSSION...A small, low-topped cluster of storms is ongoing across
   parts of east-central AL at 1515Z. Although strong flow aloft is
   present over this region, instability remains rather weak owing to
   persistent cloud cover and poor mid-level lapse rates. Better
   forcing for ascent should gradually shift northward and away from
   west-central/southwestern GA through the remainder of the morning
   and continuing into the afternoon. This should lead to a gradually
   diminishing trend to the ongoing convection. Regardless, an isolated
   strong wind gust cannot be ruled out across a small part of
   east-central AL in the short term (next hour or so). Given current
   observational trends, downstream watch issuance into
   west-central/southwestern GA will probably not be needed.

   ..Gleason.. 03/03/2020

   ...Please see for graphic product...


   LAT...LON   32318567 32558511 32488434 32158340 31838337 31568365
               31478413 31648497 31858553 32108580 32318567 

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