The Recent spring storm dropped more than three and a half feet of snow in hte eastern Sierra Nevada. The UC Berkeley Central Sierra Snow Lab says the storm helped the late-season snowpack, but warm winter temperatures mean snow levels are still low. On April 1st, the Sierra snowpack was just 18 percent of average. Officials warn the low snow levels could make drought and water shortages worse unless heavy rain or snow arrives. According to the US Drought Monitor, much of the state is already abnormally dry. Several Northeastern counties are already experiencing moderate drought conditions, including portions of Lassen, Plumas, Sierra, Placer and El Dorado Counties.