SPC 1200Z Day 1 Outlook

Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
1119 PM CST Sun Jan 31 2021

Valid 011200Z - 021200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Isolated thunderstorms are possible across southern Florida on
Monday morning. Severe thunderstorms are not expected.

...Synopsis...
Cool, stable conditions are expected today across a large part of
the CONUS in the wake of a deepening coastal low off the
Mid-Atlantic and a strong cold front sweeping southward across the
Gulf of Mexico and Gulf Stream.  Along the front in central/southern
Florida, forcing aloft associated with falling geopotential heights
and intensifying mid-level flow may foster a few thunderstorms along
the front in the 12-16Z timeframe.  The front (and associated
instability) should shift offshore after 16Z and effectively end the
thunder threat there.

Along the northern California/Oregon coastline, an approaching
mid-level system will produce widespread precipitation, with
occasional weak mid-level instability possibly supportive of an
isolated lightning strike or two after around 20Z or so. 
Indications are that the threat for lightning flashes will be too
sparse for a general thunder area, however.

..Cook.. 02/01/2021

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