A map from AccuWeather shows ... "A Pacific storm with atmospheric river will bring heavy mountain snow and strong winds to ...

Map of Sierra Nevada in California showing how an atmospheric river develops. Most atmospheric rivers are weak and do not cause damage. In fact, they can provide much-needed rain or snow.

said the outlook for Northern Nevada pointed to warm and “relatively dry” weather through April. “Mountain soil moisture is near normal for this time of year in the Sierra basins, and below normal for ...