ACUS02 KWNS 190535
SWODY2
SPC AC 190533

Day 2 Convective Outlook  
NWS Storm Prediction Center Norman OK
1233 AM CDT Mon Oct 19 2026

Valid 201200Z - 211200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
No severe thunderstorms are expected on Tuesday.

...Synopsis...
An upper trough will deepen along the West Coast on Tuesday,
resulting in a broad low-level mass response with a return flow of
low-level moisture across the Desert Southwest into the Great Basin
and central High Plains regions. Deep-layer ascent associated with
this broad axis of low-level moisture will result in at least widely
scattered thunderstorm development through the day across the Great
Basin into the Desert Southwest and High Plains. A couple instances
of strong surface wind gusts may accompany thunderstorms in the
Lower Colorado River Basin given stronger flow fields aloft. At the
moment though, buoyancy appears too limited to support an organized
severe gust threat, so severe probabilities have been withheld this
outlook. By later Tuesday night, cooler mid-level temperatures
associated with the upper trough will overspread a marine boundary
layer along the CA coastline, promoting thunderstorm chances here as
well.

..Squitieri.. 10/19/2026

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