The third and latest storm to hit the state within a week is expected to inundate rivers in Northern California and flood parts of Napa Valley wine country, while also blanketing the frigid Sierra Nevada in heavy snowfall, according to state officials.
The storm, which is expected to last through Thursday, could dump up to 7 feet of snow across the Sierra, greatly bolstering the state’s snow-water supply. Mountain snowpack on Tuesday measured 135% of the seasonal average, according to the California Department of Water Resources.
On Monday, it was at 126% of its average for this time of year.
A few big...