Ohio

Comprehensive climate risk and disaster history profile

Billion-Dollar Events

$429.6B

Total Economic Impact

Counties

45.69

Avg Risk Score

Top Natural Hazards

Based on FEMA National Risk Index data across all 88 counties

Ice Storm

63.79 Avg Risk Score

Riverine Flooding

63.68 Avg Risk Score

Winter Weather

62.55 Avg Risk Score

Tornado

60.38 Avg Risk Score

Strong Wind

59.37 Avg Risk Score

Lightning

59.09 Avg Risk Score

Earthquake

57.62 Avg Risk Score

Heat Wave

54.95 Avg Risk Score

Historical billion-dollar events by category (1980-2024)

severe-storm 57 events

$148.4B

winter-storm 6 events

$8.4B

drought 5 events

$17.5B

tropical-cyclone 4 events

$240.6B

flooding 4 events

$12.6B

freeze 1 events

$2.0B

How disaster frequency and costs have changed over time

Counties with the highest overall risk scores based on FEMA NRI

Rank	County	Risk Score	Risk Rating	SVI Percentile
1	Hamilton	93.45	Relatively Moderate	59.1%
2	Franklin	92.46	Relatively Moderate	65.0%
3	Cuyahoga	91.25	Relatively Moderate	73.0%
4	Butler	87.97	Relatively Moderate	43.5%
5	Montgomery	86.1	Relatively Moderate	69.0%
6	Summit	85.52	Relatively Moderate	44.1%
7	Lucas	84.06	Relatively Moderate	67.8%
8	Stark	82.12	Relatively Low	31.5%
9	Trumbull	81.42	Relatively Low	55.3%
10	Mahoning	73.88	Relatively Low	61.8%