Parts of Northern California and the Sierra Nevada have not seen this much rain and snow since 2005.
Published Jan 12, 2017
In late June 2019, a potent atmospheric river event carried soaking rain into southern Chile, dropping nearly a month’s worth of precipitation in just 48 hours.
Published Jul 6, 2019
Long, narrow bands of moisture—atmospheric rivers—bring the Pacific Northwest much of its rain and snow.
Published Oct 26, 2017
What a difference one year has made in the snow cover over North America.
Published Mar 30, 2012
Following an exceptionally wet January, an atmospheric river carried even more moisture into the region in February.
Published Feb 7, 2020
An unusual atmospheric river should give northern California a buffer against drought as the state enters the dry, summer months.
Published Apr 13, 2018
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
The water stored as snow in the 400-mile long range is now 185 percent of normal for the beginning of March.
Published Mar 3, 2017
Clear skies allowed the MODIS instrument on NASA’s Terra satellite to capture this view of snow over Dallas, Texas, on February 6, 2011, as the city hosted the Super Bowl.
Published Feb 8, 2011
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
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
This satellite map of snow cover shows that every state in the contiguous U.S., except for Florida, received snow in January 2011.
Published Feb 25, 2011
A fast-moving storm dropped a heavy dose of winter—and even a tornado—on the region.
Published Dec 31, 2019
A succession of storms in January and February dumped huge amounts of snow on the Sierra Nevada.
Published Feb 13, 2019
A blanket of snow imparted a wintery appearance to the eastern United States for the first few days of spring 2018.
Published Mar 23, 2018
Atmospheric rivers from the Pacific have soaked California and other western states with more than twice the usual amount of rain.
Published Feb 22, 2017
The Arctic Oscillation, La Niña, and North Atlantic Oscillation combine to steer winter's cold, snowy weather away from the United States.
Published Feb 8, 2012
A potent weather system with origins in Manitoba moved south across the Great Lakes on Halloween and blew all the way to Florida, bringing snow and hard frost to regions that don't see either in some winters.
Published Nov 4, 2014
Image of the Day Atmosphere Land Life Severe Storms Snow and Ice
