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 >

January 31 - February 2, 2011
Winter Storm

A significant winter storm affected the Ohio Valley during the period with a mixture of snow, sleet and freezing rain. Significant ice accumulations were observed north of the Cincinnati Tri-State region, and into the Whitewater and Miami Valley regions, as well as central Ohio. Heavy snow and sleet affected parts of the northern Miami Valley and west-central Ohio. Northern Kentucky and south-central Ohio experienced relatively light wintry precipitation early in the event before temperatures warmed above freezing during the day January 31st.