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 19-20, 2019
Ice and Snow Winter Storm

A potent low pressure system tracked east from the Rocky Mountains into the Tennessee Valley before pivoting into the Tri-State area early on Jan 19. The upper level jet dynamics of the atmosphere coincident with a very strong thermal gradient allowed for a sustained winter storm that produced a diverse range of weather from rain, freezing rain, sleet, snow, and blowing snow across the Ohio Valley.