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 >

June 27, 2010
Severe Storms & Flooding


Two waves of thunderstorms impacted the region on June 27. The first moved from the Tri-State region east and northeast during the afternoon hours. The second moved southeast through the region during the evening hours. There were scattered reports of wind damage during both events, and flash flooding occurred with the slow moving evening line of storms (mainly from Wilmington to Cincinnati).