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Mesoscale Discussion 31 |
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Mesoscale Discussion 0031
NWS Storm Prediction Center Norman OK
1137 PM CST Tue Jan 03 2023
Areas affected...Mississippi/Alabama
Concerning...Tornado Watch 11...
Valid 040537Z - 040700Z
The severe weather threat for Tornado Watch 11 continues.
SUMMARY...Severe wind/tornado risk will spread east across
Mississippi into Alabama over the next several hours.
DISCUSSION...Pre-frontal band of broken convection is gradually
expanding in areal coverage late this evening. Numerous
robust/severe thunderstorms extend along a corridor from southeast
LA, through east-central MS, into northwest AL. Within this
corridor, several long-lived supercells continue with one
potentially tornadic storm over Clarke County MS, moving toward
Choctaw County AL. This activity is maturing within a strongly
sheared environment coincident with a 35kt LLJ. Instability has
gradually recovered ahead of this convection with roughly 2000 J/kg
MUCAPE now evident across the southern half of ww011. Damaging
winds, along with some tornado risk, continue.
..Darrow.. 01/04/2023
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...BMX...HUN...MOB...MEG...JAN...LIX...
LAT...LON 30818975 32528900 34158801 34168700 32428742 31108849
30818975
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