Ice Storm Risk in New York
All New York 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 62 of 62 New York counties in FEMA's National Risk Index. Nassau County carries the state's highest ice storm score at 98.7, with $4M in expected annual ice storm losses.
17 New York counties are rated High or Very High for ice storm, and expected annual losses from ice storm total roughly $28M 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 | Nassau County | Very High | 0.72 / yr | $4M | |
| 2 | Onondaga County | Very High | 1.45 / yr | $2M | |
| 3 | Suffolk County | Very High | 0.67 / yr | $2M | |
| 4 | Erie County | High | 2.67 / yr | $1M | |
| 5 | Kings County | High | 0.74 / yr | $775K | |
| 6 | Queens County | High | 0.74 / yr | $662K | |
| 7 | Oneida County | High | 1.07 / yr | $926K | |
| 8 | Westchester County | High | 1.27 / yr | $927K | |
| 9 | Monroe County | High | 1.53 / yr | $814K | |
| 10 | New York County | High | 0.74 / yr | $528K | |
| 11 | Niagara County | High | 2.96 / yr | $760K | |
| 12 | St. Lawrence County | High | 0.66 / yr | $606K | |
| 13 | Bronx County | High | 0.74 / yr | $385K | |
| 14 | Cayuga County | High | 1.10 / yr | $726K | |
| 15 | Albany County | High | 0.68 / yr | $700K | |
| 16 | Clinton County | High | 0.55 / yr | $560K | |
| 17 | Oswego County | High | 1.39 / yr | $558K | |
| 18 | Jefferson County | Medium | 1.04 / yr | $502K | |
| 19 | Franklin County | Medium | 0.49 / yr | $382K | |
| 20 | Saratoga County | Medium | 0.56 / yr | $621K | |
| 21 | Rockland County | Medium | 1.09 / yr | $286K | |
| 22 | Ontario County | Medium | 0.94 / yr | $379K | |
| 23 | Orange County | Medium | 0.83 / yr | $356K | |
| 24 | Schenectady County | Medium | 0.70 / yr | $345K | |
| 25 | Dutchess County | Medium | 1.52 / yr | $347K | |
| 26 | Essex County | Medium | 0.24 / yr | $265K | |
| 27 | Genesee County | Medium | 1.94 / yr | $287K | |
| 28 | Wayne County | Medium | 1.15 / yr | $283K | |
| 29 | Broome County | Medium | 0.49 / yr | $248K | |
| 30 | Lewis County | Medium | 0.73 / yr | $294K | |
| 31 | Ulster County | Medium | 0.62 / yr | $246K | |
| 32 | Madison County | Medium | 0.95 / yr | $254K | |
| 33 | Rensselaer County | Medium | 0.84 / yr | $240K | |
| 34 | Seneca County | Medium | 0.74 / yr | $161K | |
| 35 | Columbia County | Medium | 1.10 / yr | $187K | |
| 36 | Putnam County | Medium | 1.96 / yr | $328K | |
| 37 | Chautauqua County | Medium | 1.06 / yr | $149K | |
| 38 | Herkimer County | Medium | 0.44 / yr | $181K | |
| 39 | Richmond County | Medium | 0.75 / yr | $151K | |
| 40 | Livingston County | Medium | 0.96 / yr | $161K | |
| 41 | Orleans County | Medium | 2.24 / yr | $158K | |
| 42 | Tompkins County | Medium | 0.52 / yr | $160K | |
| 43 | Yates County | Medium | 0.32 / yr | $100K | |
| 44 | Fulton County | Medium | 0.64 / yr | $154K | |
| 45 | Chenango County | Low | 0.60 / yr | $117K | |
| 46 | Cortland County | Low | 0.79 / yr | $128K | |
| 47 | Washington County | Low | 0.40 / yr | $122K | |
| 48 | Wyoming County | Low | 1.48 / yr | $138K | |
| 49 | Montgomery County | Low | 0.63 / yr | $94K | |
| 50 | Greene County | Low | 0.63 / yr | $98K | |
| 51 | Schuyler County | Low | 0.26 / yr | $99K | |
| 52 | Warren County | Low | 0.22 / yr | $115K | |
| 53 | Sullivan County | Low | 0.58 / yr | $92K | |
| 54 | Cattaraugus County | Low | 0.71 / yr | $63K | |
| 55 | Tioga County | Low | 0.50 / yr | $79K | |
| 56 | Steuben County | Low | 0.25 / yr | $67K | |
| 57 | Otsego County | Low | 0.50 / yr | $60K | |
| 58 | Delaware County | Low | 0.30 / yr | $42K | |
| 59 | Chemung County | Low | 0.34 / yr | $47K | |
| 60 | Schoharie County | Low | 0.51 / yr | $44K | |
| 61 | Allegany County | Low | 0.36 / yr | $39K | |
| 62 | Hamilton County | Very Low | 0.11 / yr | $8K |
62 New York counties with measurable ice storm risk. See the national ice storm ranking or all New York counties by overall risk.
Frequently Asked Questions
Which New York county has the highest ice storm risk?
Nassau County has the highest FEMA ice storm risk score in New York at 98.7 (Very High), with $4M in expected annual losses and about 0.72 events per year.
How many New York counties face significant ice storm risk?
62 New York counties record measurable ice storm risk in FEMA's National Risk Index; 17 of them are rated High or Very High.