- Day Three
acus03 kwns 200830
Storm Prediction Center ac 200829
Day 3 convective outlook
National Weather Service Storm Prediction Center Norman OK
0229 am CST Wed Nov 20 2019
Valid 221200z - 231200z
..there is a marginal risk of severe thunderstorms from southeast
Texas into western Louisiana...
Thunderstorms are expected from the Southern Plains into the lower
Mississippi Valley region Friday. A low probability of locally
strong wind gusts will exist from southeast Texas into western
Louisiana during the day.
..southeast Texas into western Louisiana...
Thunderstorms will likely be ongoing along a cold front as well as
in pre-frontal confluent zone within a moist (70f dewpoints) but
marginally unstable boundary layer. This activity will be embedded
within strong vertical shear associated with a progressive synoptic
southern-stream trough. Storms developing in pre-frontal confluent
zone should be surface based or only slightly elevated, and might
become capable of producing a couple of locally strong wind gusts
during the day. The weak thermodynamic environment should remain a