Avalanche Risk in Maryland
All Maryland counties ranked by FEMA National Risk Index avalanche score
Avalanche risk — fast-moving snow and debris sliding down steep mountain slopes — is rated for 7 of 24 Maryland counties in FEMA's National Risk Index. Allegany County carries the state's highest avalanche score at 57.2, with $853 in expected annual avalanche losses.
No Maryland county reaches the High band for avalanche, and expected annual losses from avalanche total roughly $2K statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Avalanche
| # | County | Avalanche Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Allegany County | Very Low | 0.01 / yr | $853 | |
| 2 | Garrett County | Very Low | 0.01 / yr | $919 | |
| 3 | Washington County | Very Low | 0.01 / yr | $139 | |
| 4 | Frederick County | Very Low | 0.01 / yr | $66 | |
| 5 | Baltimore County | Very Low | 0.01 / yr | $8 | |
| 6 | Carroll County | Very Low | 0.01 / yr | $9 | |
| 7 | Harford County | Very Low | 0.01 / yr | $3 |
7 Maryland counties with measurable avalanche risk. See the national avalanche ranking or all Maryland counties by overall risk.
Frequently Asked Questions
Which Maryland county has the highest avalanche risk?
Allegany County has the highest FEMA avalanche risk score in Maryland at 57.2 (Very Low), with $853 in expected annual losses and about 0.01 events per year.
How many Maryland counties face significant avalanche risk?
7 Maryland counties record measurable avalanche risk in FEMA's National Risk Index; 0 of them are rated High or Very High.