SPC 2000Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0139 PM CST Tue Nov 11 2025 Valid 112000Z - 121200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not forecast across the contiguous United States through tonight. ...20z Update... No changes are needed to the D1 Convective Outlook. See previous discussion below for more information. ..Thornton.. 11/11/2025 .PREV DISCUSSION... /ISSUED 1001 AM CST Tue Nov 11 2025/ ...Synopsis... A large-scale mid-level trough over the East will be maintained as a series of additional upstream disturbances over western Ontario and the Upper Midwest act to reinforce troughing over the eastern U.S. An arctic surface high centered over the northeast Gulf Coast will result in seasonably cool/stable conditions east of the Rockies. Farther west, a mid-level ridge will lead to tranquil conditions across the Rockies to the Pacific coast.
