The governors of California, Nevada and Arizona have asked President Donald Trump for disaster declarations after severe storms caused flooding and power outages in their states. In California, Gov. Gavin Newsom requested aid for counties hit by heavy rain and mudslides. In Nevada, Gov. Steve Sisolak asked for help after a winter storm knocked out power to thousands. In Arizona, Gov. Doug Ducey requested aid for Maricopa County, which was hit by heavy rain and high winds.