http://www.newsweek.com/melting-snow-yosemite-river-flood-1796539

Rapidly melting snow amid high temperatures in California could see the Merced river flood.

The Merced River is 145 miles long and is a tributary of the San Joaquin River. It flows from the Sierra Nevada into the San Joaquin Valley. The river also flows through the Yosemite National Park, and gets 85 percent of its flow—above the Happy Isles—from melting snow.