SPC 1200Z Day 1 Outlook

Day 1 Outlook Image

Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
1145 PM CST Mon Jan 04 2021

Valid 051200Z - 061200Z


Thunderstorms are not expected across the continental U.S. today.

A mid-level trough will eject into the Atlantic as a second trough
aloft traverses the Plains states through the day. Surface high
pressure and associated cooler temperatures will promote widespread
atmospheric stability across much of the CONUS, with little in the
way of deep, moist convection expected. Some low-topped convection
may produce a couple of flashes just off of the North Carolina coast
this afternoon as the aforementioned trough aloft departs the
region. However, the greater concentration of flashes will likely be
over sea. Similarly, an upper trough will also approach the West
Coast towards the end of the period, promoting widespread ascent and
associated potential for a lightning flash or two off of the
California coast. However, very scant buoyancy suggests that any
flashes that do occur will be too sparse to warrant general thunder
delineations at this time.

..Squitieri.. 01/05/2021

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