* WHAT...Heavy snow possible above 4000 feet. Total snow accumulations 8 to 12 inches, with up to 2 feet possible over the highest peaks. Winds could gust as high as 40 mph.
* WHERE...Coast Range above 4000 ft and Shasta County mountains above 4000 feet.
* WHEN...From Tuesday evening through early Thursday morning.
* IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Wednesday morning and evening commutes. Gusty winds could bring down tree branches and significant reductions in visibilities.
* ADDITIONAL DETAILS...Snow levels around 4500-5000 feet Tuesday night, lowering to 4000-4500 feet by Wednesday morning. Heaviest snow Tuesday night into Wednesday, with snowfall rates 1-2+ inches per hour.