New York

Storm History: Seneca County, New York

237 episodes, 320 events since 1971

Every storm the National Weather Service has filed in Seneca 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
320
Deaths
0
Injuries
2
Damage
$6.7 million
Episodes
237

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.

Open the live radar over Seneca County

Every year

From 1996 the record holds 48 kinds of event with each office’s narrative; before that, tornadoes, hail and thunderstorm wind only, and before 1955 tornadoes alone.

By kind of event

Counted under the kind that heads each episode.

Kind of eventEventsDeathsInjuriesDamage
Hail8701$532,000
Thunderstorm Wind6601$489,000
Heavy Snow3600$428,000
Flash Flood3100$2.7 million
Tornado2600$118,000
Winter Storm1900
High Wind1400$325,000
Cold/Wind Chill1100$20,000
Ice Storm800$2.0 million
Drought400
Heat300
Flood300$40,000
Winter Weather200
Extreme Cold/Wind Chill200
Strong Wind200$10,000
Lake-Effect Snow200
Blizzard200
Heavy Rain100
Excessive Heat100

The deadliest

None recorded.

The costliest

Damage within this county, in the dollars of its year.

The largest hail

The largest stone in each episode, which may have fallen in a neighboring county of the same episode.

The strongest tornadoes

Every tornado in Seneca County, with its track

Every episode, newest first

More

Tornadoes in Seneca CountyEvery warning in Seneca 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.