April 6, 2019
A car drives down Route 66 in Flagstaff, Arizona, on Thursday, Feb. 21, 2019. Schools across northern Arizona canceled classes and some government offices decided to close amid a winter storm that's expected to dump heavy snow in the region. Forecasters say part of the reason Arizona had so many storms this winter was a climatological pattern known as El Niño. (AP Photo/Felicia Fonseca)