SPC 0830Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0124 AM CST Sat Dec 19 2020 Valid 211200Z - 221200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected on Monday. ...Synopsis... 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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