Lightning Risk in Delaware
All Delaware counties ranked by FEMA National Risk Index lightning score
Lightning risk — electrical discharges from storms that ignite fires and cause casualties — is rated for 3 of 3 Delaware counties in FEMA's National Risk Index. Sussex County carries the state's highest lightning score at 82.9, with $665K in expected annual lightning losses.
1 Delaware county is rated High or Very High for lightning, and expected annual losses from lightning total roughly $2M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Lightning
| # | County | Lightning Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Sussex County | High | 32.75 / yr | $665K | |
| 2 | New Castle County | Medium | 35.11 / yr | $847K | |
| 3 | Kent County | Medium | 33.57 / yr | $585K |
3 Delaware counties with measurable lightning risk. See the national lightning ranking or all Delaware counties by overall risk.
Frequently Asked Questions
Which Delaware county has the highest lightning risk?
Sussex County has the highest FEMA lightning risk score in Delaware at 82.9 (High), with $665K in expected annual losses and about 32.75 events per year.
How many Delaware counties face significant lightning risk?
3 Delaware counties record measurable lightning risk in FEMA's National Risk Index; 1 of them are rated High or Very High.