Cold Wave Risk in Connecticut
All Connecticut counties ranked by FEMA National Risk Index cold wave score
Cold Wave risk — prolonged spells of dangerously low temperatures — is rated for 9 of 9 Connecticut counties in FEMA's National Risk Index. Capitol Planning Region carries the state's highest cold wave score at 94.8, with $12M in expected annual cold wave losses.
1 Connecticut county is rated High or Very High for cold wave, and expected annual losses from cold wave total roughly $23M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Cold Wave
| # | County | Cold Wave Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Capitol Planning Region | High | 1.74 / yr | $12M | |
| 2 | Naugatuck Valley Planning Region | Medium | 1.39 / yr | $2M | |
| 3 | South Central Connecticut Planning Region | Medium | 0.92 / yr | $2M | |
| 4 | Western Connecticut Planning Region | Medium | 1.19 / yr | $2M | |
| 5 | Greater Bridgeport Planning Region | Low | 1.04 / yr | $958K | |
| 6 | Northwest Hills Planning Region | Low | 2.63 / yr | $1M | |
| 7 | Southeastern Connecticut Planning Region | Low | 0.90 / yr | $814K | |
| 8 | Lower Connecticut River Valley Planning Region | Low | 0.92 / yr | $525K | |
| 9 | Northeastern Connecticut Planning Region | Low | 1.64 / yr | $529K |
9 Connecticut counties with measurable cold wave risk. See the national cold wave ranking or all Connecticut counties by overall risk.
Frequently Asked Questions
Which Connecticut county has the highest cold wave risk?
Capitol Planning Region has the highest FEMA cold wave risk score in Connecticut at 94.8 (High), with $12M in expected annual losses and about 1.74 events per year.
How many Connecticut counties face significant cold wave risk?
9 Connecticut counties record measurable cold wave risk in FEMA's National Risk Index; 1 of them are rated High or Very High.