Ice Storm Risk in Massachusetts
All Massachusetts counties ranked by FEMA National Risk Index ice storm score
Ice Storm risk — freezing rain that coats surfaces in heavy, damaging ice — is rated for 14 of 14 Massachusetts counties in FEMA's National Risk Index. Middlesex County carries the state's highest ice storm score at 99.7, with $8M in expected annual ice storm losses.
7 Massachusetts counties are rated High or Very High for ice storm, and expected annual losses from ice storm total roughly $20M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Ice Storm
| # | County | Ice Storm Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Middlesex County | Very High | 2.70 / yr | $8M | |
| 2 | Worcester County | Very High | 2.99 / yr | $4M | |
| 3 | Essex County | Very High | 1.46 / yr | $3M | |
| 4 | Hampden County | High | 2.32 / yr | $1M | |
| 5 | Norfolk County | High | 1.78 / yr | $1M | |
| 6 | Bristol County | High | 0.60 / yr | $558K | |
| 7 | Plymouth County | High | 0.62 / yr | $690K | |
| 8 | Suffolk County | Medium | 1.01 / yr | $329K | |
| 9 | Hampshire County | Medium | 1.99 / yr | $493K | |
| 10 | Franklin County | Medium | 1.82 / yr | $363K | |
| 11 | Berkshire County | Medium | 1.23 / yr | $293K | |
| 12 | Barnstable County | Low | 0.15 / yr | $76K | |
| 13 | Dukes County | Very Low | 0.24 / yr | $7K | |
| 14 | Nantucket County | Very Low | 0.01 / yr | $162 |
14 Massachusetts counties with measurable ice storm risk. See the national ice storm ranking or all Massachusetts counties by overall risk.
Frequently Asked Questions
Which Massachusetts county has the highest ice storm risk?
Middlesex County has the highest FEMA ice storm risk score in Massachusetts at 99.7 (Very High), with $8M in expected annual losses and about 2.70 events per year.
How many Massachusetts counties face significant ice storm risk?
14 Massachusetts counties record measurable ice storm risk in FEMA's National Risk Index; 7 of them are rated High or Very High.