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 4, 2010
First Accumulating Snow of the Season

A clipper system dropped southeast across the Ohio Valley on Saturday, December 4. This system brought periods of snow to much of the region through the day, with the heaviest snow falling across eastern Indiana, northern Kentucky and far southwest Ohio where widespread 2-3" of snow fell. Areas further northeast received less snow, with only a few tenths of an inch falling across the Columbus metro.