NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Copenhagen, NY
Every tropical system within 75 miles since 1851 and every tornado within 25 miles since 1950.
Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated
5 tropical systems have passed within 75 miles of Copenhagen, New York since 1851, 0 of them at hurricane strength; the most recent was Hugo in 1989. Since 1950, 15 tornadoes have touched down within 25 miles, 1 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 5
- Tornadoes
- 15
- EF3 or stronger
- 1
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
no recorded deaths
What the records show for Copenhagen
None of the 5 tropical systems was at hurricane strength as it passed Copenhagen; the strongest was an unnamed storm in 1900, a tropical storm with 72 mph winds when its centre passed 75 miles away. The record near Copenhagen begins with an unnamed storm in 1876; the most recent system was Hugo in 1989, a tropical storm 67 miles away. The busiest decade was the 1900s, with 2 systems. None of the 5 systems has come since 2000. Of the 809 New York cities on this site, 94% have more tropical storms and hurricanes within 75 miles than Copenhagen. The strongest of the 15 tornadoes within 25 miles was an EF3 on August 7, 2023; its path came within 21 miles. Of the 15, none had a path within 5 miles of the city centre, and 9 have come since 2000. August has had the most tornadoes, 8. The most recent tornado was on September 9, 2024. Of the 809 New York cities, 84% have more tornadoes within 25 miles than Copenhagen. Hail has been reported within 10 miles 2 times since 2008, with stones up to 1.25 inches (half dollar size). Of the 809 New York cities, 99% have more hail reports within 10 miles than Copenhagen.
Compare Copenhagen's storm record with another city →
Tropical storms and hurricanes near Copenhagen
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 1989 | HugoSep 23 | 67 mi | Tropical storm (44 mph) | Category 5 |
| 1903 | Unnamed 1903 stormSep 17 | 63 mi | Tropical storm (40 mph) | Category 2 |
| 1900 | Unnamed 1900 stormSep 12 | 75 mi | Tropical storm (72 mph) | Category 4 |
| 1893 | Unnamed 1893 stormOct 14 | 67 mi | Tropical storm (69 mph) | Category 3 |
| 1876 | Unnamed 1876 stormSep 18 | 59 mi | Tropical storm (44 mph) | Category 3 |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Copenhagen: a hurricane's worst winds sit within a few dozen miles of its centre, and inland cities are usually past that.
Tornadoes within 25 miles of Copenhagen
By decade
- 2020s5(1 EF3+)
- 2010s2
- 2000s2
- 1990s2
- 1980s2
- 1960s1
- 1950s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Aug 7, 2023 | EF3 | 21 mi | 16 mi | 0 / 0 |
| Jul 10, 2024 | EF1 | 18 mi | 2.2 mi | 0 / 0 |
| Jul 8, 2014 | EF1 | 9 mi | 12.32 mi | 0 / 0 |
| Aug 1, 2005 | F1 | 9 mi | 1.5 mi | 0 / 0 |
| Aug 28, 1983 | F1 | 20 mi | 6 mi | 0 / 1 |
| Jul 12, 1969 | F1 | 23 mi | 0.8 mi | 0 / 0 |
| Jul 1, 1959 | F1 | 14 mi | 0.1 mi | 0 / 0 |
| Jul 24, 2024 | EF0 | 21 mi | 0.2 mi | 0 / 0 |
| Aug 16, 2016 | EF0 | 25 mi | 0.22 mi | 0 / 0 |
| Aug 5, 2003 | F0 | 15 mi | 0.1 mi | 0 / 0 |
| Aug 20, 1993 | F0 | 23 mi | 0.2 mi | 0 / 0 |
| Aug 20, 1993 | F0 | 20 mi | 0.2 mi | 0 / 0 |
The strongest 12 of 15, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Copenhagen
The Storm Prediction Center has 2 hail reports within 10 miles of Copenhagen since 2008. All were 1 inch across or larger, and none reached 2 inches. The largest, 1.25 inches (half dollar size), fell on June 17, 2014, the most recent report.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Copenhagen
The nearest NOAA station with 1991–2020 climate normals is Watertown, NY, 11 miles northwest of Copenhagen at 497 feet. July is the warmest, with an average high of 80°F and low of 62°F; January is the coolest, at 29°F and 11°F. October is the wettest at 5.0 inches of precipitation on average and March the driest at 2.8 inches; the year adds up to 44.5 inches over 102 days with at least a tenth of an inch. Highs reach 90°F on about 3 days a year, almost all from July to August. Lows fall below freezing on about 144 nights a year. Snowfall averages 116.4 inches a year, most of it in January. That 44.5 inches is more than at 79 of the 137 New York stations used on this site (58%). Lowville, 14 miles east, has its own station (Lowville, NY): 42.0 inches a year, 2.5 less than here, and a July average high of 78°F against 80°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 29 | 11 | 3.6 | 10 | 34.0 |
| Feb | 31 | 12 | 2.9 | 8 | 29.6 |
| Mar | 40 | 22 | 2.8 | 8 | 13.6 |
| Apr | 54 | 35 | 3.5 | 8 | 2.7 |
| May | 67 | 47 | 3.7 | 8 | 0.0 |
| Jun | 75 | 57 | 3.7 | 8 | 0.0 |
| Jul | 80 | 62 | 3.5 | 7 | 0.0 |
| Aug | 79 | 61 | 3.8 | 7 | 0.0 |
| Sep | 72 | 52 | 3.9 | 8 | 0.0 |
| Oct | 59 | 41 | 5.0 | 10 | 0.5 |
| Nov | 46 | 31 | 4.2 | 9 | 9.1 |
| Dec | 35 | 20 | 3.9 | 10 | 26.9 |
| Year | 55 | 37 | 44.5 | 102 | 116.4 |
Averages for 1991–2020 at Watertown, NY (497 ft), from NOAA NCEI U.S. Climate Normals. Normals describe the station; the farther a place is from it, and the bigger the difference in height, the more its weather can differ.
Floods, thunderstorm wind and lightning near Copenhagen
Since 1996, the National Weather Service has logged 31 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Copenhagen: 26 thunderstorm wind reports, 4 floods and 1 lightning strike. None is recorded as killing or injuring anyone; the NWS estimated $185,000 in property and crop damage. The strongest thunderstorm gust on record here was 86 mph, on June 30, 2026.
Source: NOAA NCEI Storm Events Database, events whose starting point is on record, 1996 to June 30, 2026. Damage is the NWS estimate in the dollars of the year, not insured losses, and NWS notes that some reports are unverified.
Flood insurance claims, disaster declarations and FEMA risk ratings
Lewis County, which includes Copenhagen, has been named in 28 federal disaster or emergency declarations since 1977, 17 of them major disasters (by incident: 9 snowstorms, 6 severe storms, 4 floods, 3 hurricanes). The latest major disaster declaration was Severe Storm and Flooding, on October 21, 2024. FEMA's National Risk Index gives Lewis County a Very Low rating for natural hazard risk overall; by hazard: Relatively Low for inland flooding and strong wind; Very Low for hurricanes, tornadoes, hail, lightning and heat waves. It models the county's expected loss from all 18 hazards it covers at $9.1 million a year, the 59th highest of 62 New York counties; of the hazards above, the largest share, $7.3 million (80%), is from inland flooding.
Claims: FEMA, OpenFEMA Dataset FIMA NFIP Redacted Claims – v3, summed over ZIP codes; payments in the dollars of each year, not adjusted for inflation. Declarations: Disaster Declarations Summaries – v2, by county. Retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
Risk ratings: FEMA, National Risk Index county table, December 2025 (v1.20), retrieved October 26, 2026; ratings compare counties nationwide, are meant for planning and are no substitute for a local risk assessment. This product uses the Federal Emergency Management Agency's National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
What counts as a pass, the distances and the sources: how this storm history is built.
Cities near Copenhagen
- Carthage, NY10 mi
- Black River, NY10 mi
- Watertown, NY12 mi
- Fort Drum, NY13 mi
- Lowville, NY14 mi
- Adams Center, NY14 mi
- Castorland, NY14 mi
- Adams, NY16 mi
- Evans Mills, NY17 mi
- Sackets Harbor, NY19 mi
- Dexter, NY20 mi
- Mannsville, NY21 mi
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