483
ACUS01 KWNS 211957
SWODY1
SPC AC 211956
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0156 PM CST WED JAN 21 2026
VALID 212000Z - 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.
..20Z UPDATE
NO CHANGES ARE NEEDED TO THE ONGOING FORECAST.
..WENDT.. 01/21/2026
PREV DISCUSSION
/ISSUED 1017 AM CST WED JAN 21 2026/
..ARKLATEX REGION
THE PERSISTENT UPPER TROUGH OVER THE EASTERN STATES WILL MAINTAIN
FAST CYCLONIC FLOW ALOFT OVER THE GULF COAST STATES TODAY. A
SURFACE COLD FRONT WILL SAG SOUTHWARD ACROSS PARTS OF TX/AR/LA AND
EVENTUALLY INTO MS. THE AIR MASS AHEAD OF THE FRONT IS MODERATELY
MOIST, WITH MUCAPE OF LESS THAN 500 J/KG. THIS WILL RESULT IN
OCCASIONAL CLUSTERS OF THUNDERSTORMS, BUT NO SEVERE STORMS ARE
ANTICIPATED.
..SOUTH FL
A SUBTLE SOUTHERN-STREAM SHORTWAVE TROUGH WILL MOVE ACROSS THE GULF
AND APPROACH FL LATE TONIGHT. THIS WILL RESULT IN AN INCREASE IN
THE RISK OF ISOLATED THUNDERSTORMS OVER SOUTHEAST FL - MAINLY AFTER
MIDNIGHT.
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