Administrators NorthGeorgiaWX Posted December 26, 2023 Administrators Share Posted December 26, 2023 SPC 0700Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1229 AM CST Tue Dec 26 2023 Valid 271200Z - 281200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected on Wednesday. ...Synopsis... A large upper cyclone will be centered over the Mid-MS Valley on Wednesday. This system and associated upper trough will move only modestly eastward through the period. Deep-layer southwesterly flow ahead of the upper low/trough will be maintained over the eastern third of the CONUS. At the surface, low pressure off the SC coast will lift north/northeast. The center of the low will pass near or just offshore from the NC Outer Banks. Showers will be ongoing across the Mid-Atlantic Wednesday morning. While generally poor lower-level lapse rates and little heating will limited instability, some modest midlevel lapse rates will support modest elevated instability, and isolated thunderstorms are possible across coastal NC. A surface cold front will move offshore the Mid-Atlantic during the evening/overnight hours. Severe thunderstorms are not expected. Across the West, a weak upper shortwave trough will quickly move across the Pacific Northwest. A few lightning flashes are possible offshore from the northern CA/OR/WA coasts, but overall chances for inland lightning appear lower than previously indicated given meager elevated instability. ..Leitman.. 12/26/2023 Read more View the full article Quote Link to comment Share on other sites More sharing options...
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