Day 1 Severe Weather Outlook

Valid 200100Z – 201200Z


Severe thunderstorms are not expected through tonight.

…Texas into the lower Mississippi Valley region…

Shallow convection will persist within plume of subtropical moisture
along an east-west oriented baroclinic zone from TX into the lower
MS Valley tonight. Weak progressive vorticity maxima embedded within
a zonal flow regime will maintain pockets of enhanced ascent.
Isolated lightning flashes have occurred within this zone, but
coverage is expected remain sparse. A somewhat greater coverage of
thunderstorms might occur late tonight from southeast TX into LA.
Here, weak theta-e advection along a strengthening southerly
low-level jet will contribute to a corridor of enhanced ascent and
modest destabilization.

..Dial.. 02/20/2020


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