SPC 0830Z Day 3 Outlook

Day 3 Outlook Image

Day 3 Convective Outlook  
NWS Storm Prediction Center Norman OK
0214 AM CST Sun Nov 15 2020

Valid 171200Z - 181200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Organized severe thunderstorms are not expected Tuesday or Tuesday
night.

...Synopsis/Discussion...
The upper-level pattern will remain amplified but progressive over
the CONUS on Tuesday. A shortwave trough will quickly overspread the
Pacific Northwest and advance toward the Canadian Rockies, while
upper ridging and surface high pressure prevail over the Plains and
Midwest.

As a cold front continues to settle southward, thermodynamic
profiles may marginally support a few thunderstorms near the far
southern Florida Peninsula and Florida Keys. 

In the West, isolated thunderstorms will also be possible across
coastal portions of Washington/Oregon and northern California in
association with steepening lapse rates/weak buoyancy related to an
inland-advancing shortwave trough and associated frontal band. While
organized severe thunderstorms are not currently expected, a few
stronger storms capable of gusty winds and small hail cannot be
ruled out.

..Guyer.. 11/15/2020

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