349
ACUS01 KWNS 211225
SWODY1
SPC AC 211224
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0624 AM CST WED JAN 21 2026
VALID 211300Z - 221200Z
..NO SEVERE THUNDERSTORM AREAS FORECAST
..SUMMARY
ISOLATED THUNDERSTORMS SHOULD OCCUR ACROSS PARTS OF EAST/SOUTHEAST
TEXAS INTO THE LOWER MISSISSIPPI VALLEY TODAY AND TONIGHT.
..SYNOPSIS AND DISCUSSION
MODEST LOW-LEVEL MOISTURE WILL MAKE SOME INLAND ADVANCEMENT TODAY
ACROSS EAST/SOUTHEAST TX INTO THE LOWER MS VALLEY AHEAD OF A SURFACE
COLD FRONT AS LONGWAVE UPPER TROUGHING PERSISTS ACROSS THE
CENTRAL/EASTERN CONUS. A LOW-AMPLITUDE SHORTWAVE TROUGH ROUNDING THE
BASE OF THE LARGE-SCALE UPPER TROUGH SHOULD CONTINUE TO ENCOURAGE
SHOWERS AND ISOLATED/MAINLY ELEVATED CONVECTION ACROSS THESE AREAS
THROUGH TONIGHT. INSTABILITY IS EXPECTED TO REMAIN TOO WEAK TO
SUPPORT SEVERE THUNDERSTORMS.
..GLEASON/DEAN.. 01/21/2026
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