SPC 0830Z Day 3 Outlook

Day 3 Outlook Image

Day 3 Convective Outlook  
NWS Storm Prediction Center Norman OK
0124 AM CST Sat Dec 19 2020

Valid 211200Z - 221200Z


Thunderstorms are not expected on Monday.

Lead shortwave trough will likely move off the GA/Mid-Atlantic Coast
Monday morning while another shortwave trough moves through the
Upper Midwest, Upper Great Lakes, and OH Valley. Farther west, a
strong shortwave trough is forecast to move into the Pacific
Northwest late Monday night/early Tuesday morning. 

At the surface, stable conditions are expected in the wake of the
GA/Mid-Atlantic shortwave trough, with offshore trajectories keeping
low-level moisture offshore. The lack of low-level moisture and
instability will preclude thunderstorm development across the CONUS.

..Mosier.. 12/19/2020

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