Nurse Katie Leonard uses a kayak to bring supplies to Patsy Costello, 88, as she sits trapped in her vehicle Dec. 31 on Astrid Drive in Pleasant Hill, Calif.. Costello drove her car on the flooded street thinking she could make it, but it stalled in the two feet of water. Jose Carlos Fajardo/Bay Area News Group via AP hide caption
The downtown Chicago skyline is obscured by blowing snow and steam rising from Lake Michigan, as seen from Montrose Harbor on Friday, in Chicago. Erin Hooley/AP hide caption
A person wrapped in a blanket crosses a snow-covered street Thursday in St. Louis. Jeff Roberson/AP hide caption
Cars slowly travel through an intersection after a second round of snow storm passed through northern Minnesota Thursday, Dec. 15, 2022, in Duluth, Minn. Holden Law/AP hide caption
A person shovels out homes and cars near the Bunker Hill Monument in Boston, Mass., on Sunday. Blinding snow whipped up by powerful winds pummeled the eastern United States into the early hours Sunday as one of the strongest winter storms in years triggered transport chaos and power outages across a region of some 70 million people. Joseph Prezioso/AFP via Getty Images hide caption
Caltrans maintenance supervisor Matt Martin walks by a landslide covering Highway 70 in the Dixie Fire zone Sunday in Plumas County, Calif. Heavy rains blanketing Northern California created slide and flood hazards in land scorched during last summer's wildfires. Noah Berger/AP hide caption
A jet waits for takeoff Tuesday at Denver International Airport, where travelers have seen hundreds of flights canceled amid heavy snow. Joe Mahoney/Getty Images hide caption
"Two back to back powerful storms will produce widespread heavy snow" in parts of the western and central U.S., the National Weather Service says. NOAA/NESDIS/STAR/GOES-East hide caption
A massive spring storm is bringing blizzard conditions to several central U.S. states, leading officials to close hundreds of schools and hundreds of miles of roads. NASA/NOAA GOES Project hide caption
Blizzard warnings have been issued for the Rockies and Plains areas, where a second bomb cyclone is predicted. Here, a man uses a bulldozer to clear snow in Limon, Colo., that was left by a bomb cyclone that swept across much of the state last month. RJ Sangosti/MediaNews Group/Denver Post via Getty Images hide caption
Tom Wilke, his son Chad, and Nick Kenny launch a boat into the swollen waters of the Elkhorn River to check on Wilke's flooded property, in Norfolk, Neb., on Friday, March 15. Nati Harnik/AP hide caption
A massive late winter storm is bringing blizzard conditions to a number of central U.S. states Thursday. In affected areas, many agencies are shutting down and urging people to stay off the roads. NASA/NOAA GOES Project hide caption
A satellite image from Wednesday morning shows a powerful storm system heading east across the U.S. The storm is expected to bring high winds, snow and rain to much of the central U.S. in the coming days. GOES-East/NOAA hide caption
Power lines smolder behind a fallen tree outside the Lincoln School in Providence, R.I., during the nor'easter Friday. Matt O'Brien/AP hide caption