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2017’s Billion-Dollar Disasters

Publication Date: January 18, 2018
Map of US denoting regions for the billion-dollar disasters. Counterclockwise from top left: North Dakota, South Dakota, Montana Drought, Western Wildfires California Firestorm, California Flooding, Colorado Hail Storm & Central Severe Weather, Severe weather in the Midwest, Central, South & Southeast, Hurricanes Harvey, Irma, & Maria, Tornado Outbreaks in the South, Midwest, West, Central & Southeast, Southeast Freeze, Missouri & Arkansas Flooding, Minnesota Hail Storm
Disaster Type Number of Events Percent Frequency CPI-Adjusted Losses
(billions of dollars)
Percent of Total Losses Average Event Cost
(billions of dollars)
Deaths
Drought 25 11.4% $236.6 15.4% $9.5 2.993
Flooding 28 12.8% $119.9 7.8% $4.3 540
Freeze 8 3.7% $27.6 1.8% $3.5 162
Severe Storm 91 41.6% $206.1 13.4% $2.3 1,578
Tropical Cyclone 38 17.4% $850.5 55.3% $22.4 3,461
Wildfire 15 6.8% $53.6 3.5% $3.6 238
Winter Storm 14 6.4% $43.1 2.8% $3.1 1,013
All Disasters 219 100.0% $1,537.4 100.0% $7.0 9,985
Deaths associated with drought are the result of heat waves. (Not all droughts are accompanied by extreme heat waves.)