Jefferson County, New York
Tornadoes, hail, floods and severe storms recorded here between 1958 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
4
Tornado reports
27
Hail reports
41
Floods since 1996
699
All events
3
Deaths
$149.8M
Property damage
Tornado paths in Jefferson County
The part of each tornado’s path NOAA recorded in this county, 4 in all. Zoom in and the paths widen to their surveyed width.
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Year by year
All storm eventsTornadoes
NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.
Most significant events
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
Multiple trees and wires were reported down throughout the county through the event.
Thunderstorm Wind Thunderstorm Wind
Widespread trees and power lines down in the Cape Vincent area.
Thunderstorm Wind Thunderstorm Wind
Widespread trees and power lines down in the Clayton area.
Thunderstorm Wind Thunderstorm Wind
There was a large branch down.
Thunderstorm Wind Thunderstorm Wind
There was a large tree branch down.
Thunderstorm Wind Thunderstorm Wind
Report of a few trees and wires downed in the Town of Champion.
Hail Hail
Several social media reports of large hail up to 1 inch in diameter relayed by a trained spotter. Location approximate, time based on radar.
Hail Hail
Social media reports. Hail damage to several vehicles and crop damage to a corn field.
Frost/Freeze Frost/Freeze
Winter Storm Winter Storm
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Wind chill value down to -41 Fahrenheit at the NYS Mesonet location in Philadelphia.
Lake-Effect Snow Lake-Effect Snow
Winter Storm Winter Storm
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Numerous observations and reports from around Jefferson County of wind chill values between -30 and -47 degrees Fahrenheit.
Winter Storm Winter Storm
Winter Storm Winter Storm
Winter Storm Winter Storm
High Wind High Wind
A 68 MPH gust was also measured at Fort Drum (KGTB).
Lake-Effect Snow Lake-Effect Snow
Lake-Effect Snow Lake-Effect Snow
Winter Storm Winter Storm
Lake-Effect Snow Lake-Effect Snow
Thunderstorm Wind Thunderstorm Wind
Tree downed on Dog Hill Rd.
Thunderstorm Wind Thunderstorm Wind
Tree downed down on Alexander Street.
Thunderstorm Wind Thunderstorm Wind
Trees and powerlines downed in Cape Vincent.
Thunderstorm Wind Thunderstorm Wind
Tree downed across County Route 1.
Thunderstorm Wind Thunderstorm Wind
Two utility poles snapped on County Road 138.
Thunderstorm Wind Thunderstorm Wind
At least three trees downed on Route 3 in Great Bend.
Thunderstorm Wind Thunderstorm Wind
Utility pole snapped with wires downed on Old State Route 3.
Thunderstorm Wind Thunderstorm Wind
A couple of trees downed across Glass Road.
Thunderstorm Wind Thunderstorm Wind
Tree downed across rail road tracks and County Rd 85.
Thunderstorm Wind Thunderstorm Wind
Tree downed onto a house on Academy Street.
Thunderstorm Wind Thunderstorm Wind
Tree downed at Main and Mill Street.
Thunderstorm Wind Thunderstorm Wind
Several trees downed in Adams Center.
Thunderstorm Wind Thunderstorm Wind
Tree downed on North Harbor Road.
Thunderstorm Wind Thunderstorm Wind
Tree and wires downed at Franklin and Hamilton St.
Thunderstorm Wind Thunderstorm Wind
Power lines and pole downed on Sherman Street.
Thunderstorm Wind Thunderstorm Wind
Large tree downed on Keyes Ave and Clay Street.
Thunderstorm Wind Thunderstorm Wind
Tree downed across County Road 160.
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2026 | 16 | 0 |
| 2025 | 48 | 0 |
| 2024 | 38 | 1 |
| 2023 | 13 | 0 |
| 2022 | 28 | 0 |
| 2021 | 19 | 0 |
| 2020 | 23 | 0 |
| 2019 | 33 | 0 |
| 2018 | 24 | 0 |
| 2017 | 40 | 0 |
| 2016 | 26 | 0 |
| 2015 | 9 | 0 |
| 2014 | 31 | 0 |
| 2013 | 26 | 0 |
| 2012 | 25 | 0 |
| 2011 | 16 | 0 |
| 2010 | 28 | 0 |
| 2009 | 13 | 0 |
| 2008 | 29 | 0 |
| 2007 | 19 | 0 |
| 2006 | 10 | 0 |
| 2005 | 14 | 0 |
| 2004 | 7 | 0 |
| 2003 | 12 | 1 |
| 2002 | 17 | 0 |
| 2001 | 6 | 0 |
| 2000 | 8 | 0 |
| 1999 | 15 | 0 |
| 1998 | 22 | 0 |
| 1997 | 11 | 0 |
| 1996 | 12 | 0 |
| 1995 | 10 | 0 |
| 1994 | 3 | 0 |
| 1992 | 2 | 0 |
| 1991 | 3 | 0 |
| 1990 | 4 | 0 |
| 1989 | 2 | 0 |
| 1988 | 4 | 0 |
| 1987 | 6 | 0 |
| 1986 | 2 | 0 |
| 1984 | 2 | 0 |
| 1983 | 7 | 1 |
| 1979 | 1 | 0 |
| 1976 | 1 | 0 |
| 1975 | 2 | 0 |
| 1969 | 1 | 0 |
| 1968 | 3 | 0 |
| 1964 | 1 | 0 |
| 1963 | 1 | 0 |
| 1962 | 1 | 0 |
| 1960 | 2 | 0 |
| 1959 | 1 | 1 |
| 1958 | 2 | 0 |
Search your address
See every tornado that passed within 25 miles of a place in Jefferson County, measured to its path.
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