New York tornado risk

62 counties scored 0 rated Very High

Erie County has the highest tornado risk in New York, scoring 95.4 out of 100 — rated "Relatively High" by FEMA's National Risk Index. Recorded tornado events across New York have increased 60% over the past five years compared to the prior five-year period.

# County NRI score Rating NOAA events
2016–2026
1 Erie County 95.4 Relatively High 9
2 Kings County 94.2 Relatively High 0
3 Queens County 90.6 Relatively High 1
4 New York County 89.4 Relatively Moderate 0
5 Albany County 88 Relatively Moderate 0
6 Ulster County 87.6 Relatively Moderate 3
7 Onondaga County 87.3 Relatively Moderate 0
8 Monroe County 87.2 Relatively Moderate 1
9 Bronx County 85.2 Relatively Moderate 0
10 Broome County 83.6 Relatively Moderate 3
11 Richmond County 83.4 Relatively Moderate 0
12 Orange County 81.9 Relatively Moderate 2
13 Rockland County 77.5 Relatively Moderate 1
14 Rensselaer County 76.6 Relatively Moderate 1
15 Nassau County 76.2 Relatively Moderate 1
16 Chautauqua County 76.1 Relatively Moderate 2
17 Suffolk County 74.7 Relatively Moderate 10
18 Westchester County 72.7 Relatively Moderate 1
19 Oneida County 71.9 Relatively Moderate 11
20 Sullivan County 71.3 Relatively Moderate 2
21 Schenectady County 70.7 Relatively Moderate 0
22 Saratoga County 69.9 Relatively Moderate 5
23 Columbia County 68.7 Relatively Moderate 0
24 Cattaraugus County 68.4 Relatively Moderate 2
25 Dutchess County 63.3 Relatively Low 5
26 Tompkins County 59 Relatively Low 2
27 Steuben County 58.1 Relatively Low 1
28 Delaware County 55.6 Relatively Low 2
29 Greene County 54.5 Relatively Low 2
30 Chemung County 52.8 Relatively Low 0
31 Niagara County 52.4 Relatively Low 0
32 Chenango County 46.4 Relatively Low 1
33 Otsego County 46.3 Relatively Low 0
34 Ontario County 44 Relatively Low 2
35 Tioga County 43.8 Relatively Low 0
36 Washington County 43.7 Relatively Low 1
37 Oswego County 43.1 Relatively Low 2
38 Madison County 41.9 Relatively Low 4
39 Montgomery County 41.7 Relatively Low 1
40 Allegany County 41.5 Relatively Low 3
41 Fulton County 40 Relatively Low 3
42 Livingston County 39.8 Relatively Low 1
43 Cayuga County 39.2 Relatively Low 0
44 Warren County 39 Relatively Low 4
45 Herkimer County 38.6 Relatively Low 4
46 Wayne County 38.3 Relatively Low 1
47 Cortland County 37.4 Relatively Low 2
48 Schoharie County 33 Relatively Low 0
49 Seneca County 30.8 Relatively Low 0
50 Putnam County 29.8 Relatively Low 2
51 Yates County 29.7 Relatively Low 1
52 Genesee County 29.5 Relatively Low 4
53 Wyoming County 29.2 Relatively Low 1
54 Jefferson County 27.9 Relatively Low 1
55 Clinton County 26.3 Relatively Low 1
56 St. Lawrence County 24.2 Very Low 1
57 Essex County 23.8 Very Low 0
58 Orleans County 22.4 Very Low 0
59 Schuyler County 22.1 Very Low 0
60 Franklin County 18.9 Very Low 0
61 Lewis County 17.2 Very Low 3
62 Hamilton County 11.2 Very Low 3

Source: FEMA National Risk Index v1.20.0, December 2025. Scores are 0–100 percentile rankings among all US counties. See the methodology page for definitions. Download the full CSV for all counties.

Tornado risk nationally:

Other hazard risks in New York:

Frequently asked questions

What is the highest tornado risk county in New York?

Erie County, NY has the highest tornado risk in New York, with a FEMA National Risk Index score of 95.4 out of 100 (rated "Relatively High").

What causes tornado risk in New York?

Tornado risk concentrates in the central and southern plains ("Tornado Alley") and the Southeast ("Dixie Alley"), where atmospheric conditions favor supercell thunderstorm development. The highest scores often belong to counties with significant mobile home and manufactured housing stock, which carries disproportionate tornado mortality risk.