SPC 0100Z Day 1 Outlook

Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
0641 PM CST Thu Jan 21 2021

Valid 220100Z - 221200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Thunderstorms will be possible through tonight from parts of east
Texas to southern and central Mississippi.

...DISCUSSION...
Westerly mid-level flow will be in place across much of the southern
U.S. this evening as a shortwave trough moves through the southern
Rockies. At the surface, a moist airmass will be located from
southeast Texas eastward to southern Mississippi. Convection will
continue to develop due to warm advection along the northern edge of
the moist airmass this evening into tonight. Isolated thunderstorm
development will be possible but instability will be insufficient
for a severe threat. Elsewhere across the continental United States,
thunderstorms are not expected this evening or tonight.

..Broyles.. 01/22/2021

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