Tornado Risk in Maryland
All Maryland counties ranked by FEMA National Risk Index tornado score
Tornado risk — violently rotating columns of air capable of catastrophic local damage — is rated for 24 of 24 Maryland counties in FEMA's National Risk Index. Baltimore City carries the state's highest tornado score at 95.4, with $10M in expected annual tornado losses.
2 Maryland counties are rated High or Very High for tornado, and expected annual losses from tornado total roughly $54M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Tornado
| # | County | Tornado Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Baltimore City | High | 0.07 / yr | $10M | |
| 2 | Prince George's County | High | 0.37 / yr | $11M | |
| 3 | Anne Arundel County | Medium | 0.43 / yr | $7M | |
| 4 | Baltimore County | Medium | 0.50 / yr | $4M | |
| 5 | Montgomery County | Medium | 0.38 / yr | $4M | |
| 6 | Frederick County | Medium | 0.45 / yr | $3M | |
| 7 | Washington County | Low | 0.26 / yr | $2M | |
| 8 | Cecil County | Low | 0.27 / yr | $1M | |
| 9 | Howard County | Low | 0.19 / yr | $2M | |
| 10 | St. Mary's County | Low | 0.45 / yr | $1M | |
| 11 | Carroll County | Low | 0.32 / yr | $1M | |
| 12 | Allegany County | Low | 0.14 / yr | $520K | |
| 13 | Harford County | Low | 0.35 / yr | $1M | |
| 14 | Wicomico County | Low | 0.12 / yr | $701K | |
| 15 | Queen Anne's County | Low | 0.32 / yr | $691K | |
| 16 | Talbot County | Low | 0.29 / yr | $541K | |
| 17 | Dorchester County | Low | 0.47 / yr | $477K | |
| 18 | Charles County | Low | 0.45 / yr | $785K | |
| 19 | Caroline County | Very Low | 0.15 / yr | $295K | |
| 20 | Kent County | Very Low | 0.26 / yr | $298K | |
| 21 | Garrett County | Very Low | 0.15 / yr | $246K | |
| 22 | Calvert County | Very Low | 0.21 / yr | $315K | |
| 23 | Somerset County | Very Low | 0.21 / yr | $145K | |
| 24 | Worcester County | Very Low | 0.12 / yr | $151K |
24 Maryland counties with measurable tornado risk. See the national tornado ranking or all Maryland counties by overall risk.
Frequently Asked Questions
Which Maryland county has the highest tornado risk?
Baltimore City has the highest FEMA tornado risk score in Maryland at 95.4 (High), with $10M in expected annual losses and about 0.07 events per year.
How many Maryland counties face significant tornado risk?
24 Maryland counties record measurable tornado risk in FEMA's National Risk Index; 2 of them are rated High or Very High.