ACUS02 KWNS 040522
SWODY2
SPC AC 040521

Day 2 Convective Outlook  
NWS Storm Prediction Center Norman OK
1221 AM CDT Sun Oct 04 2026

Valid 051200Z - 061200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Severe storms are unlikely across the USA on Monday.

...Synopsis...
An upper low will continue to deepen as it moves eastward across
Quebec on Monday, with the speed max at the base of the trough
sweeping across the Northeast. Behind this trough, northwest flow
will persist from the Northern Plains into the Great Lakes, with a
weak midlevel trough moving across the Great Basin.

At the surface, a large area of high pressure will provide stable
conditions to much of the central and eastern States, with the more
substantial low-level moisture and instability relegated to the Gulf
Coast area. Scattered thunderstorms will thus be possible along the
northern Gulf Coast, and across much of Florida, though severe
storms are unlikely.

Elsewhere, sporadic lightning flashes may occur over parts of
southern CO, and into parts of NV where cool air aloft will steepen
lapse rates. Instability will be weak, as will low-level wind
fields. A few strong gusts cannot be ruled out due to the deeply
mixed boundary layer.

..Jewell.. 10/04/2026

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