Avalanche Risk in Massachusetts

All Massachusetts counties ranked by FEMA National Risk Index avalanche score

Avalanche risk — fast-moving snow and debris sliding down steep mountain slopes — is rated for 4 of 14 Massachusetts counties in FEMA's National Risk Index. Berkshire County carries the state's highest avalanche score at 66.2, with $3K in expected annual avalanche losses.

No Massachusetts county reaches the High band for avalanche, and expected annual losses from avalanche total roughly $4K statewide. The full ranking below links to each county's complete 18-hazard risk profile.

County Rankings — Avalanche

#CountyAvalanche ScoreRatingAnn. Freq.Ann. Loss
1 Berkshire County
66.2
Very Low 0.01 / yr $3K
2 Franklin County
55.3
Very Low 0.01 / yr $1K
3 Hampden County
38.7
Very Low 0.01 / yr $199
4 Hampshire County
27.2
Very Low 0.01 / yr $106

4 Massachusetts counties with measurable avalanche risk. See the national avalanche ranking or all Massachusetts counties by overall risk.

Frequently Asked Questions

Which Massachusetts county has the highest avalanche risk?

Berkshire County has the highest FEMA avalanche risk score in Massachusetts at 66.2 (Very Low), with $3K in expected annual losses and about 0.01 events per year.

How many Massachusetts counties face significant avalanche risk?

4 Massachusetts counties record measurable avalanche risk in FEMA's National Risk Index; 0 of them are rated High or Very High.

Other Hazards in Massachusetts