Disaster planning and response

Helmut Shea Kaukver III looks on from a boat alongside Tim Rockford Monday, March 18, 2019, in Bellwood, Neb. The men were returning to their neighborhood which was only accessible by boat because of floodwaters. (Brendan Sullivan/Omaha World-Herald via AP)

People on a boat float down floodwaters that cover Washington Street Wednesday, March 20, 2019, in Hamburg, Iowa. As some communities along the Missouri River start to shift their focus to flood recovery after a late-winter storm, residents in two Iowa cities are still in crisis mode because their treatment plants have shut down and they lack fresh water. (Chris Machian/Omaha World-Herald via AP)

Zimbabwean President Emmerson Mnangagwa, center with scarf, visits Chimanimani about 600 km south east of Harare, Zimbabwe, Wednesday March 20, 2019. Mnangagwa visited a part of Chimanimnani affected by cyclone Idai and promised assitance in the form of food and rebuilding of homes. Hundreds are dead, many more missing and thousands at risk from massive flooding in Mozambique, Malawi and Zimbabwe caused by Cyclone Idai. (AP Photo/Tsvangirayi Mukwazhi)

A family dig for their son who got buried in the mud when Cyclone Idai struck in Chimanimani about 600 kilometres south east of Harare, Zimbabwe, Tuesday, March, 19, 2019. According to the government, Cyclone Idai has killed more than 100 people in Chipinge and Chimanimani and according to residents the figures could be higher because the hardest hit areas are still inaccessible. Some hundreds are dead, many more are missing, and some thousands at risk from the massive flooding in Mozambique, Malawi and Zimbabwe caused by Cyclone Idai.(AP Photo/Tsvangirayi Mukwazhi)

CORRECTS MONTH TO MARCH NOT MAY - The Elkhorn River consumes a section of western Douglas County Sunday, March 17, 2019, in Omaha, Neb. Hundreds of people were evacuated from their homes in Nebraska and Iowa as levees succumbed to the rush of water. (Jeff Bundy/Omaha World-Herald via AP)

Water seeps into the west side of town with sandbags lining the intersection of Ridge Road and Military Avenue in Fremont, Neb., on Saturday, March 16, 2019. The flooding followed days of snow and rain — record-setting, in some places — that swept through the West and Midwest. (Kent Sievers/Omaha World-Herald via AP)

Jim Freeman tries to saw through thick ice slabs on his property in Fremont, Neb., Thursday, March 14, 2019, after the ice-covered Platte River flooded it's banks. Evacuations forced by flooding have occurred in several eastern Nebraska communities. (AP Photo/Nati Harnik)

Mary Roncka and her husband Gene Roncka, right, accompanied by neighbor Kevin Mandina are evacuated as floodwaters rise Thursday, March 13, 2019, in Ashland, Neb. Evacuations forced by flooding have occurred in several eastern Nebraska communities, as western Nebraska residents struggled with blizzardlike conditions. (Brendan Sullivan/Omaha World-Herald via AP)

Stephanie Dunson, right, rests her head on the shoulder of her daughter, Jesi, Sunday, March 10, 2019, at Providence Baptist Church in Beauregard, Ala. Sunday church services were a step towards normalcy as the community continues to recover following deadly tornados that hit the area last week. The Dunsons sought shelter at the church in the storm, and avoided weather that damaged their home. (AP Photo/Vasha Hunt)