Hail history for Sullivan County, NY

Sullivan County has 119 recorded hail events in the NOAA Storm Events Database — 67 of them 1″ or larger and 6 at 2″ or larger. The largest on record: 2.5″ (tennis ball) on June 20, 1995.

Records 1950–present Data through April 2026 Peak month June

Core sample · every recorded event, 1955–2026

Mark size = measured hail diameter; slivers are events with no recorded size. Amber ≥2″, red ≥2.75″ (baseball class). Denser recent decades partly reflect better reporting, not only more storms.

Recorded events 119 since 1972

1″ or larger 67 NWS severe threshold

2″ or larger 6 hen egg class and up

Largest recorded 2.5″ tennis ball · June 20, 1995

Read the record honestly: Storm Events contains what was reported to the National Weather Service. Sparse or rural counties under-report, and coverage improved sharply after the mid-1990s — a quiet-looking stretch is not proof nothing fell.

When it hails in Sullivan County

Recorded events by month, 1950–present. The amber bar marks Sullivan County's peak: June.

Most recent recorded events

Latest 8 of 119 recorded events · data through April 2026
Date	Size	Comparable to
May 22, 2024	1.0″	Quarter
September 7, 2023	1.0″	Quarter
April 22, 2023	1.75″	Golf ball
April 22, 2023	1.75″	Golf ball
August 12, 2021	0.75″	Penny
July 6, 2020	1.0″	Quarter
July 6, 2020	0.75″	Penny
July 6, 2020	1.0″	Quarter

Looking for a specific storm? Use the did-it-hail date lookup for Sullivan County.

From the storm reports

Narratives as filed with the NOAA Storm Events Database (public records; lightly trimmed for length).

July 6, 2020 · 1.0″ (quarter)

Hail from a thunderstorm damaged an RV and house roofs.

May 22, 2013 · 1.75″ (golf ball)

Person injured by falling hail at the campground in Roscoe as he was trying to seek shelter in bath house at campground.

June 20, 1995 · 2.5″ (tennis ball)

An isolated severe thunderstorm dropped hail the size of tennis balls in Wurtsboro, damaging several cars. Other reports of golf ball-size hail were received from Wurtsboro around the same time.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
0	0	1	7	5	52	43	11

The climb across decades is largely a reporting story: spotter networks, radar, and digital filing pulled far more storms into the record after the 1990s.

Questions about hail in Sullivan County

Has it ever hailed in Sullivan County?

Yes — 119 hail events have been recorded for Sullivan County, NY in the NOAA Storm Events Database since 1972, including 67 of 1″ (quarter size) or larger.

When did it last hail in Sullivan County?

The most recent recorded hail event for Sullivan County, NY is May 22, 2024, with 1.0″ (quarter) hail. The database is currently updated through April 2026, so a storm from the last few weeks may not appear yet. To check a specific day, use the did-it-hail date lookup.

What is the largest hail ever recorded in Sullivan County?

2.5″ (tennis ball), recorded on June 20, 1995. Hail that size meets or exceeds the National Weather Service severe threshold. See how big that really is on the actual-size hail chart.

Does a recorded hail event mean my roof was damaged?

No. This page reports storm records, not damage. Hail size and damage vary block by block within a county, and only an inspection can establish what happened to a specific roof. If you suspect damage, talk to your insurer or a licensed roofer — they can pull the same NOAA records for your claim.

More New York hail history

All 62 New York counties, ranked by recorded hail →

Source: NOAA/NCEI Storm Events Database, public domain, updated monthly by NCEI — this site's copy runs through April 2026. HailHistory reports records; it does not give insurance advice or assess damage.