Storm History: Onondaga County, New York
Every storm the National Weather Service has filed in Onondaga County, New York: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.
The record
- Events
- 1,005
- Deaths
- 9
- Injuries
- 39
- Damage
- $146 million
- Episodes
- 560
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
Every year
By kind of event
Counted under the kind that heads each episode.
| Kind of event | Events | Deaths | Injuries | Damage |
|---|---|---|---|---|
| Hail | 311 | 4 | 11 | $91 million |
| Thunderstorm Wind | 188 | 1 | 12 | $2.9 million |
| Tornado | 149 | 0 | 8 | $15 million |
| Flash Flood | 91 | 2 | 0 | $27 million |
| Heavy Snow | 83 | 1 | 1 | $618,000 |
| Lake-Effect Snow | 55 | 0 | 0 | $55,000 |
| High Wind | 27 | 0 | 1 | $630,000 |
| Winter Storm | 26 | 0 | 0 | |
| Lightning | 18 | 1 | 6 | $332,000 |
| Cold/Wind Chill | 13 | 0 | 0 | $30,000 |
| Flood | 13 | 0 | 0 | $74,000 |
| Ice Storm | 8 | 0 | 0 | $7.0 million |
| Drought | 5 | 0 | 0 | |
| Extreme Cold/Wind Chill | 4 | 0 | 0 | |
| Heat | 3 | 0 | 0 | |
| Blizzard | 3 | 0 | 0 | |
| Winter Weather | 2 | 0 | 0 | |
| Strong Wind | 2 | 0 | 0 | $10,000 |
| Excessive Heat | 2 | 0 | 0 | |
| Heavy Rain | 1 | 0 | 0 | |
| Funnel Cloud | 1 | 0 | 0 |
The deadliest
The costliest
Damage within this county, in the dollars of its year.
- Hail, September 6, 1998
- Tornado, April 25, 2011
- Flash Flood, January 19, 1996
- Ice Storm, April 4, 2003
- Flash Flood, July 1, 2017
- Flash Flood, July 8, 2016
- Flash Flood, June 30, 2015
- Tornado, May 2, 1983
- Flash Flood, June 14, 2002
- Tornado, July 28, 2002
- Flash Flood, August 30, 2004
- Thunderstorm Wind, July 28, 2002
- Thunderstorm Wind, July 3, 1999
- Tornado, August 2, 1993
- Tornado, August 24, 1993
- Flash Flood, July 1, 2015
- Flash Flood, July 14, 2005
- Heavy Snow, January 3, 2003
- Tornado, July 13, 1986
- Hail, August 24, 2025
The largest hail
The largest stone in each episode, which may have fallen in a neighboring county of the same episode.
- Hail, May 23, 2004
- Hail, May 22, 2013
- Flood, August 3, 2007
- Hail, August 7, 1986
- Tornado, June 2, 1969
- Hail, June 20, 2016
- Flash Flood, May 29, 2013
- Hail, September 2, 2013
- Hail, May 29, 2012
- Hail, May 25, 2011
- Hail, July 21, 2010
- Hail, June 16, 2008
- Hail, July 26, 2008
- Flash Flood, May 10, 2000
- Hail, August 24, 2025
The strongest tornadoes
Every episode, newest first
- Tornado, June 18, 2026
- Thunderstorm Wind, June 11, 2026
- Thunderstorm Wind, May 29, 2026
- Hail, May 13, 2026
- Lake-Effect Snow, February 11, 2026
- Winter Storm, January 25, 2026
- Lake-Effect Snow, January 14, 2026
- Lake-Effect Snow, January 1, 2026
- Winter Storm, December 29, 2025
- Winter Storm, December 26, 2025
- Lake-Effect Snow, December 11, 2025
- Lake-Effect Snow, November 28, 2025
- Hail, August 24, 2025
- Thunderstorm Wind, July 7, 2025
- Hail, May 17, 2025
- Flash Flood, May 6, 2025
- Thunderstorm Wind, April 29, 2025
- Thunderstorm Wind, March 16, 2025
- Lake-Effect Snow, February 18, 2025
- Lake-Effect Snow, February 16, 2025
- Lake-Effect Snow, February 13, 2025
- Lake-Effect Snow, January 14, 2025
- Lake-Effect Snow, January 1, 2025
- Heavy Snow, December 4, 2024
- Tornado, July 16, 2024
- Tornado, July 15, 2024
- Tornado, July 10, 2024
- Thunderstorm Wind, May 27, 2024
- Hail, May 22, 2024
- Heavy Snow, March 22, 2024
- Lake-Effect Snow, February 28, 2024
- Heavy Snow, January 6, 2024
- Flash Flood, December 18, 2023
- Flash Flood, August 7, 2023
- Hail, July 24, 2023
- Hail, July 13, 2023
- Thunderstorm Wind, July 7, 2023
- Hail, June 26, 2023
- Heavy Snow, March 13, 2023
- Hail, February 21, 2023
- Winter Storm, December 15, 2022
- Thunderstorm Wind, August 21, 2022
- Hail, July 13, 2022
- Thunderstorm Wind, June 16, 2022
- Hail, May 16, 2022
- Lake-Effect Snow, March 27, 2022
- Heavy Snow, February 3, 2022
- Extreme Cold/Wind Chill, January 22, 2022
- Extreme Cold/Wind Chill, January 15, 2022
- High Wind, December 11, 2021
- Lake-Effect Snow, November 22, 2021
- Flash Flood, October 26, 2021
- Flash Flood, August 17, 2021
- Thunderstorm Wind, August 17, 2021
- Thunderstorm Wind, July 13, 2021
- Tornado, July 8, 2021
- Thunderstorm Wind, July 6, 2021
- Hail, June 30, 2021
- Hail, June 29, 2021
- Flash Flood, June 29, 2021
- Hail, June 21, 2021
- Hail, June 13, 2021
- Thunderstorm Wind, May 26, 2021
- Lake-Effect Snow, February 19, 2021
- Winter Storm, February 1, 2021
- Lake-Effect Snow, December 29, 2020
- Thunderstorm Wind, November 15, 2020
- Thunderstorm Wind, October 7, 2020
- Hail, August 27, 2020
- Thunderstorm Wind, July 27, 2020
- Thunderstorm Wind, May 7, 2020
- Lake-Effect Snow, February 19, 2020
- Heavy Snow, February 6, 2020
- Heavy Snow, December 1, 2019
- Hail, August 18, 2019
- Hail, August 17, 2019
- Hail, August 16, 2019
- Hail, August 15, 2019
- Thunderstorm Wind, August 9, 2019
- Hail, July 30, 2019
- Thunderstorm Wind, July 29, 2019
- Thunderstorm Wind, July 20, 2019
- Flood, May 19, 2019
- Hail, May 19, 2019
- Lake-Effect Snow, April 1, 2019
- Lake-Effect Snow, March 31, 2019
- Blizzard, February 25, 2019
- High Wind, February 25, 2019
- Heavy Snow, January 19, 2019
- Lake-Effect Snow, January 9, 2019
- High Wind, January 1, 2019
- Extreme Cold/Wind Chill, November 23, 2018
- Heavy Snow, November 15, 2018
- Thunderstorm Wind, August 6, 2018
- Thunderstorm Wind, July 2, 2018
- Thunderstorm Wind, June 1, 2018
- High Wind, April 4, 2018
- Heavy Snow, March 13, 2018
- Blizzard, March 1, 2018
- Heavy Snow, February 7, 2018
- Heavy Snow, January 12, 2018
- Lake-Effect Snow, January 4, 2018
- Heavy Snow, December 12, 2017
- Lake-Effect Snow, November 19, 2017
- Thunderstorm Wind, October 15, 2017
- Tornado, August 22, 2017
- Thunderstorm Wind, July 24, 2017
- Flash Flood, July 1, 2017
- Hail, May 31, 2017
- Thunderstorm Wind, May 30, 2017
- Hail, May 18, 2017
- Thunderstorm Wind, May 1, 2017
- Blizzard, March 14, 2017
- High Wind, March 2, 2017
- Heavy Snow, February 12, 2017
- Lake-Effect Snow, February 9, 2017
- Lake-Effect Snow, December 15, 2016
- Lake-Effect Snow, November 19, 2016
- Drought, September 1, 2016
- Thunderstorm Wind, August 16, 2016
- Thunderstorm Wind, August 13, 2016
- Drought, August 1, 2016
- Thunderstorm Wind, July 13, 2016
- Flash Flood, July 8, 2016
- Drought, July 1, 2016
- Hail, June 20, 2016
- Hail, June 7, 2016
- Thunderstorm Wind, May 29, 2016
- Lake-Effect Snow, January 17, 2016
- Lake-Effect Snow, January 13, 2016
- Thunderstorm Wind, August 18, 2015
- Thunderstorm Wind, July 7, 2015
- Flash Flood, July 1, 2015
- Flash Flood, June 30, 2015
- Hail, June 12, 2015
- Thunderstorm Wind, June 8, 2015
- Heavy Snow, February 14, 2015
- Heavy Snow, February 8, 2015
- Heavy Snow, February 1, 2015
- Lake-Effect Snow, January 5, 2015
- Winter Storm, December 9, 2014
- Hail, October 25, 2014
- Flash Flood, August 3, 2014
- Hail, August 2, 2014
- Hail, July 31, 2014
- Tornado, July 8, 2014
- Tornado, June 17, 2014
- Winter Storm, March 12, 2014
- Winter Storm, February 13, 2014
- Winter Storm, February 5, 2014
- Winter Storm, January 1, 2014
- Lake-Effect Snow, November 23, 2013
- Hail, September 2, 2013
- Thunderstorm Wind, July 19, 2013
- Hail, July 10, 2013
- Hail, June 17, 2013
- Flash Flood, May 29, 2013
- Hail, May 22, 2013
- Hail, May 21, 2013
- Lake-Effect Snow, April 1, 2013
- Lake-Effect Snow, February 19, 2013
- Heavy Snow, February 8, 2013
- Lake-Effect Snow, February 4, 2013
- Lake-Effect Snow, February 1, 2013
- High Wind, January 31, 2013
- Lake-Effect Snow, January 20, 2013
- Winter Storm, December 26, 2012
- Lake-Effect Snow, December 22, 2012
- Flash Flood, September 18, 2012
- Thunderstorm Wind, September 8, 2012
- Hail, August 9, 2012
- Tornado, July 23, 2012
- Hail, May 29, 2012
- Heat, March 17, 2012
- High Wind, January 17, 2012
- Heavy Snow, January 13, 2012
- Heavy Snow, January 2, 2012
- Hail, August 21, 2011
- Hail, August 10, 2011
- Excessive Heat, July 21, 2011
- Hail, May 25, 2011
- Tornado, April 26, 2011
- Tornado, April 25, 2011
- Heavy Snow, March 6, 2011
- Winter Storm, February 25, 2011
- High Wind, February 18, 2011
- Lake-Effect Snow, January 16, 2011
- Lake-Effect Snow, December 14, 2010
- Lake-Effect Snow, December 4, 2010
- Flood, August 22, 2010
- Hail, August 16, 2010
- Hail, July 21, 2010
- Hail, July 17, 2010
- Hail, June 6, 2010
- Hail, May 4, 2010
- Winter Storm, February 25, 2010
- Lake-Effect Snow, January 28, 2010
- Lake-Effect Snow, January 2, 2010
- Lake-Effect Snow, December 28, 2009
- Thunderstorm Wind, October 7, 2009
- Hail, September 28, 2009
- Flash Flood, August 10, 2009
- Flash Flood, August 9, 2009
- Hail, July 26, 2009
- Hail, July 7, 2009
- Flash Flood, June 25, 2009
- Lake-Effect Snow, February 19, 2009
- Winter Storm, January 27, 2009
- Lake-Effect Snow, January 8, 2009
- Winter Storm, December 31, 2008
- Lake-Effect Snow, December 22, 2008
- Winter Storm, December 19, 2008
- Winter Storm, December 11, 2008
- Lake-Effect Snow, November 21, 2008
- Hail, July 26, 2008
- Flash Flood, July 23, 2008
- Hail, July 20, 2008
- Hail, July 19, 2008
- Hail, July 16, 2008
- Hail, June 23, 2008
- Hail, June 16, 2008
- Hail, June 15, 2008
- Hail, June 10, 2008
- Hail, June 8, 2008
- Tornado, May 17, 2008
- Thunderstorm Wind, April 12, 2008
- Ice Storm, March 7, 2008
- Winter Storm, February 26, 2008
- Thunderstorm Wind, January 9, 2008
- Winter Storm, December 15, 2007
- Heavy Snow, December 13, 2007
- Lake-Effect Snow, December 3, 2007
- Excessive Heat, October 5, 2007
- Hail, August 25, 2007
- Flood, August 3, 2007
- Hail, July 27, 2007
- Hail, July 9, 2007
- Tornado, June 21, 2007
- Flash Flood, June 19, 2007
- Hail, June 8, 2007
- Hail, May 25, 2007
- Thunderstorm Wind, April 23, 2007
- Winter Storm, April 15, 2007
- Hail, March 26, 2007
- Flood, March 14, 2007
- Ice Storm, March 2, 2007
- Lake-Effect Snow, February 15, 2007
- Winter Storm, February 13, 2007
- Lake-Effect Snow, February 8, 2007
- Lake-Effect Snow, January 29, 2007
Earlier years, state by state:
More
Tornadoes in Onondaga CountyEvery warning in Onondaga County since 1986Every county in New York
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.