SPC 1730Z Day 2 Outlook

Day 2 Convective Outlook  
NWS Storm Prediction Center Norman OK
1056 AM CST Mon Feb 01 2021

Valid 021200Z - 031200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Severe thunderstorms are not expected on Tuesday.

...Synopsis...

A mature upper cyclone over the mid-Atlantic will continue to deepen
as it pivots northeast toward southern New England on Tuesday. Snow
showers associated with this system will continue across much of the
Northeast for at least parts of Tuesday. Further west, an amplified
upper ridge will migrate eastward across the Plains while a
shortwave trough moves inland over the Pacific Northwest and
northern Rockies. A few lightning flashes are possible near the
WA/OR coasts as the upper trough approaches and a surface low
develops southward from the BC coast into western WA. Steepening
midlevel lapse rates and cold temperatures aloft will foster weak
instability near the coast, and a few thunderstorms are possible
during the afternoon and evening ahead of a surface cold front.

..Leitman.. 02/01/2021

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