Disaster planning and response

Rescue crews work work at the site of an avalanche site in the ski resort of Crans-Montana, Switzerland, Tuesday, Feb. 19, 2019. Swiss mountain rescue teams pulled out several people who were buried in a mid-afternoon avalanche Tuesday at the popular ski resort of Crans-Montana and were searching for others, police said. (Denis Mentha/Keystone via AP)

Kevin Tovornik exits his travel camper located in the back yard of his home damaged by flooding from Hurricane Florence near the Crabtree Swamp Friday, Feb. 1, 2019, in Conway, S.C. Tovornik lost his air conditioner and duct work in the 2016 flood. In 2018, he saved his furniture, but still ended up losing the house.

Families react after hearing eight artisanal miners survived after rains flooded mines on the outskirts of Kadoma, west of Harare, Zimbabwe, Saturday, Feb, 16, 2019. About 40 people were trapped underground, said a police spokesman. (AP Photo/Tsvangirayi Mukwazhi)

President Donald Trump speaks during an event in the Rose Garden at the White House in Washington, Friday, Feb. 15, 2019, to declare a national emergency in order to build a wall along the southern border. (AP Photo/Susan Walsh)

Cars and a large tree are seen in a debris trail in the aftermath of a mudslide that destroyed three homes on a hillside in Sausalito, Calif., Thursday, Feb. 14, 2019. The National Weather Service says the atmospheric river sagged southward from Northern California overnight and is pointed at the southwestern corner of the state early Thursday. (AP Photo/Michael Short)

FILE - In this Dec. 3, 2018, file photo, a vehicle rests in front of a home leveled by the Camp Fire in Paradise, Calif. Two statewide officials want California to take out insurance to help cover taxpayers' costs in bad wildfire seasons. Insurance Commissioner Ricardo Lara and Treasurer Fiona Ma said Thursday, Feb. 14, 2019, that California should follow the lead of Oregon and the federal government, after outspending its emergency fund in seven of the last 10 years. (AP Photo/Noah Berger, File)

Volunteers distribute donations to those affected by last week's tornado in El Roble, on the outskirts of Havana, Cuba, Wednesday, Feb. 6, 2019. More than a week after a rare tornado struck Havana, the worst-hit neighborhoods are filled with government crews restoring power and phone service and starting repairs to devastated homes. There are also hundreds of young people in jeans and designer t-shirts hauling black plastic bags full of clothes, food and water donated by entrepreneurs, artists and other members of Cuba's independent upper-middle class. (AP Photo/Ramon Espinosa)

FILE - In this Dec. 16, 2017, file photo provided by the Santa Barbara County Fire Department, flames burn near power lines in Sycamore Canyon near West Mountain Drive in Montecito, Calif. The nation's largest utility on Wednesday, Feb. 6, 2019, promised to overhaul its wildfire-prevention measures in response to growing legal, financial and public pressure for its role in starting some of the most destructive blazes in California history. (Mike Eliason/Santa Barbara County Fire Department via AP, File)

A Flint resident scrapes ice off of the windshield of another woman's car to help her as freezing rain covers the streets in ice on Wednesday, Feb. 6, 2019 in Flint, Mich. (Jake May/The Flint Journal via AP)