DE
Delaware
Comprehensive climate risk and disaster history profile
15
Billion-Dollar Events
$9.8B
Total Economic Impact
3
Counties
89.49
Avg Risk Score
Top Natural Hazards
Based on FEMA National Risk Index data across all 3 counties
Heat Wave
95.77
Avg Risk Score
Winter Storm
93.97
Avg Risk Score
Tropical Cyclone
92.09
Avg Risk Score
CFLD
88.87
Avg Risk Score
Lightning
86.66
Avg Risk Score
ISTM
79.41
Avg Risk Score
Disaster Type Breakdown
Historical billion-dollar events by category (1980-2024)
Winter Storm
6 events
$0.8B
Severe Storm
4 events
$0.7B
Tropical Cyclone
3 events
$6.2B
Drought
1 events
$0.5B
Flooding
1 events
$1.5B
Disaster Trends by Decade
How disaster frequency and costs have changed over time
Highest Risk Counties
Counties with the highest overall risk scores based on FEMA NRI
| Rank | County | Risk Score | Risk Rating | SVI Percentile |
|---|---|---|---|---|
| 1 | Sussex | 92.94 | 4898.0% | |
| 2 | New Castle | 90.77 | 4733.0% | |
| 3 | Kent | 84.76 | 8444.0% |
Recent Major Events
Most costly billion-dollar disasters in the past 10 years
Drought
Jan 2024
$0.5B
12 fatalities
Tropical Cyclone
Aug 2020
$0.7B
2 fatalities
Severe Storm
Apr 2020
$0.1B
Winter Storm
Mar 2018
$0.2B
1 fatalities
Winter Storm
Feb 2015
$0.2B
1 fatalities
Severe Storm
May 2014
$0.4B
Severe Storm
Apr 2014
$0.1B
2 fatalities
Tropical Cyclone
Oct 2012
$5.0B
12 fatalities
Winter Storm
Feb 2010
$0.1B
Severe Storm
Apr 2007
$0.1B
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