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.
As they prepare for a satellite that will measure the height and areal extent of rivers in unprecedented detail, hydrologists have released a better map of North American river widths.
The Advanced Land Imager on NASA's Earth Observing-1 satellite captured these natural-color views of snow cover, melting, and developing floods around Fargo, N.D., and Moorhead, Minn. in spring 2011.