El Niño brought more rain and snow to California this winter, but not enough to offset the water deficit built up over four years.
Published Apr 14, 2016
A succession of storms in January and February dumped huge amounts of snow on the Sierra Nevada.
Published Feb 13, 2019
NASA airborne snow surveys provide key information for California water managers.
Published Apr 22, 2017
From brown landscapes to snow-free mountains, California was startlingly dry as a serious drought prompted a state of emergency.
Published Jan 23, 2014
Thanks to a series of drought-busting storms, the mountain range has unusually thick and extensive snow cover this year.
Published Jun 15, 2017
Mount Shasta is usually snow-capped. But this winter, it is a lot more brown than white, as drought deepens in California.
Published Jan 17, 2014
Flying over the Sierras in a Twin Otter aircraft, NASA scientists are finding new ways to measure the amount of water stored in the winter snowpack with greater accuracy than ever before.
Published Apr 3, 2014
The winter of 2019-2020 was much drier than usual in California, as evidenced by the dearth of snow in the mountains.
Published Mar 13, 2020
Reservoirs, lakes, and mountainsides are brimming with water and snow, though scientists caution that underground aquifers are a long way from having the same bounty.
Published Apr 21, 2017
Snow cover in late March 2015 was significantly lower than the previous worst year on record. The landscape change is stark since 2010, the last time the region saw average snowfall.
Published Apr 3, 2015
Image of the Day Atmosphere Land Life Severe Storms Snow and Ice
