450
ACUS03 KWNS 030649
SWODY3
SPC AC 030649
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0149 AM CDT FRI OCT 03 2025
VALID 051200Z - 061200Z
..NO SEVERE THUNDERSTORM AREAS FORECAST
..SUMMARY
SEVERE THUNDERSTORM ARE NOT FORECAST FOR SUNDAY.
..CENTRAL PLAINS
AN UPPER SHORTWAVE TROUGH OVER THE NORTHERN PLAINS SUNDAY MORNING
WILL DEVELOP NORTHEAST INTO ONTARIO THROUGH THE AFTERNOON. MEANWHILE
A LARGER-SCALE POSITIVE-TILT UPPER TROUGH WILL PERSIST ACROSS THE
WESTERN U.S. AS A SECOND UPPER SHORTWAVE TROUGH DEVELOPS SOUTHEAST
ACROSS THE CANADIAN PRAIRIES INTO THE NORTHERN PLAINS TOWARD THE END
OF THE PERIOD. AT THE SURFACE, A COLD FRONT WILL DEVELOP
EAST/SOUTHEAST ACROSS THE UPPER MIDWEST INTO THE CENTRAL PLAINS.
MODEST BOUNDARY LAYER MOISTURE WILL BE IN PLACE AHEAD OF THE FRONT
(MID 50S TO LOW 60S F DEWPOINTS). DESTABILIZATION IS EXPECTED REMAIN
MODEST, GENERALLY BELOW 1000 J/KG NEAR THE SURFACE FRONT, IN
PARTICULAR FROM WESTERN KS INTO THE EASTERN NE VICINITY. ISOLATED TO
SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE DURING THE LATE
AFTERNOON/EVENING. WARM MIDLEVEL TEMPERATURES WILL LIKELY PRECLUDE
STRONGER CONVECTION BY LIMITING INSTABILITY, THOUGH A STRONG STORM
OR TWO COULD PRODUCE GUSTY WINDS.
..LEITMAN.. 10/03/2025
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