National Weather Service United States Department of Commerce

Monitoring Tsunami Impacts Across the Pacific; Air Quality Concerns; Dangerous Heat; Critical Fire Weather for the West

Tsunami impacts continue for portions of the Pacific basin. Wildfire smoke causes unhealthy air in Midwest to Great Lakes. Heat dome spans Mississippi Valley to Mid-Atlantic with excessive heat warnings and advisories. Critical fire weather in Great Basin to Pacific Northwest (dry thunderstorms). Cold front spawns severe storms/heavy rain in Central U.S. today, shifts to East Coast Thursday. Read More >

December 12-13, 2010
Snow Event

Snow developed across the region during the morning hours of Sunday, December 12th as a strong low pressure system moved through the Great Lakes. The snow continued into Sunday night before tapering off during the morning hours of Monday, December 13th. Much of the area saw 2 to 4 inches. Heavier amounts of up to 6 inches fell in areas between Dayton and Cincinnati. Additionally, westerly winds of 10-20 mph with higher gusts caused blowing and drifting of the snow.