New York

Storm History: Sullivan County, New York

416 episodes, 701 events since 1957

Every storm the National Weather Service has filed in Sullivan 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
701
Deaths
3
Injuries
18
Damage
$216 million
Episodes
416

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 Sullivan 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
Hail23803$754,000
Thunderstorm Wind15800$924,000
Flash Flood8421$176 million
Heavy Snow5700$557,000
Tornado56014$30 million
Winter Storm2800$10,000
Flood1700$5.1 million
High Wind1600$1.5 million
Cold/Wind Chill1000$20,000
Ice Storm900$15,000
Drought600$200,000
Winter Weather500$40,000
Lightning510$310,000
Heat300
Strong Wind300$30,000
Extreme Cold/Wind Chill200
Blizzard200$250,000
Heavy Rain100
Excessive Heat100

The deadliest

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 Sullivan County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Sullivan CountyEvery warning in Sullivan 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.