Atmospheric River in the Pacific Northwest and Northern Rockies this Weekend

A Pacific storm and atmospheric river will impact the Pacific Northwest states and northern Rockies this weekend, bringing locally heavy low elevations rain and heavy high elevation snow in the mountains. By Sunday over the Interior Northwest, rain combined with snowmelt will increase the risk of flood hazards. Flood Watches are in effect. 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.