By NASA Summer heat has significant effects in the mountainous regions of the western United States. Melted snow washes from snowy peaks into the rivers, reservoirs, and streams that supply millions of Americans with freshwater—as much as 75% of the...
By Robin Meadows In the late 1990s, hardly anyone had heard of the storms called atmospheric rivers. That includes Marty Ralph, founding director of Center for Western Weather and Water Extremes (CW3E) and a leading expert on these relatively recently...
From NOAA Research: For more than 75 years, high-hazard structures in the United States, including dams and nuclear power plants, have been engineered to withstand floods resulting from the most unlikely but possible precipitation, termed Probable Maximum Precipitation or PMP....
As drought becomes a more regular occurrence, a new study looks at the U.S. Drought Monitor, the nation’s preeminent drought classifier, to see how it has reflected climate change since 2000. By Aaron Sidder, Science Writer Every Thursday at 8:30...
Berkeley Lab scientists are investigating the characteristics and impacts of back-to-back atmospheric river events By Julie Bobyock, Berkeley Lab In...
Last month’s massive snowstorm in the Sierra Nevada followed a dry start to winter. Such extremes in precipitation may become the norm. By Andrew Chapman, EOS In late February 2024, residents of California and Nevada communities surrounding Lake Tahoe were...