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 17-18, 2019
Severe Weather & Heavy Rain/Flooding


A strong mesoscale convective system (MCS) tracked through the southern Ohio Valley during the evening hours on the 17th into the early morning hours on the 18th. Strong straight-line winds resulted in numerous reports of trees downed across the southern part of Ohio and northern Kentucky. Additionally, very heavy rain rates resulted in renewed flooding and flash flooding, continuing the stretch of very wet weather across much of the Ohio Valley.