The Golden Hawk flew nearly 70 hours in three missions in 2011 deploying a total of 177 ÒsondesÓ (about the size of a paper towel) from nearly 60,000 feet altitude into atmospheric rivers, winter storms and the remote Arctic atmosphere. The unmanned high-altitude vehicle was remotely operated from NASA Dryden Flight Research Center at Edwards Air Force Base. NASA/Tony Landis photo

THE GOLDEN HAWK flew nearly 70 hours in three missions in 2011, deploying 177 "sondes" (about the size of a paper towel) from nearly 60,000 feet into atmospheric rivers and remote Arctic atmosphere. NASA/Tony Landis photo


Delta science: Atmospheric rivers govern California’s rainfall

By From page A1 | November 30, 2012

Rainfall patterns in California differ from any other place in the United States According to the U. S. Geological Survey (USGS), around 30 to 50 percent of average annual precipitation occurs in the form of a few large storms, or rapid series of storms.

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Roberta Long

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