Tornado Risk in Maine
All Maine counties ranked by FEMA National Risk Index tornado score
Tornado risk — violently rotating columns of air capable of catastrophic local damage — is rated for 16 of 16 Maine counties in FEMA's National Risk Index. York County carries the state's highest tornado score at 46.5, with $1M in expected annual tornado losses.
No Maine county reaches the High band for tornado, and expected annual losses from tornado total roughly $5M 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 | York County | Low | 0.12 / yr | $1M | |
| 2 | Penobscot County | Low | 0.11 / yr | $627K | |
| 3 | Kennebec County | Very Low | 0.06 / yr | $421K | |
| 4 | Cumberland County | Very Low | 0.10 / yr | $703K | |
| 5 | Androscoggin County | Very Low | 0.04 / yr | $249K | |
| 6 | Oxford County | Very Low | 0.17 / yr | $154K | |
| 7 | Somerset County | Very Low | 0.09 / yr | $163K | |
| 8 | Hancock County | Very Low | 0.03 / yr | $169K | |
| 9 | Aroostook County | Very Low | 0.25 / yr | $125K | |
| 10 | Waldo County | Very Low | 0.03 / yr | $160K | |
| 11 | Lincoln County | Very Low | 0.04 / yr | $147K | |
| 12 | Sagadahoc County | Very Low | 0.02 / yr | $130K | |
| 13 | Knox County | Very Low | 0.02 / yr | $133K | |
| 14 | Franklin County | Very Low | 0.08 / yr | $96K | |
| 15 | Washington County | Very Low | 0.04 / yr | $56K | |
| 16 | Piscataquis County | Very Low | 0.14 / yr | $51K |
16 Maine counties with measurable tornado risk. See the national tornado ranking or all Maine counties by overall risk.
Frequently Asked Questions
Which Maine county has the highest tornado risk?
York County has the highest FEMA tornado risk score in Maine at 46.5 (Low), with $1M in expected annual losses and about 0.12 events per year.
How many Maine counties face significant tornado risk?
16 Maine counties record measurable tornado risk in FEMA's National Risk Index; 0 of them are rated High or Very High.