Sullivan storm history
Storm events recorded in Sullivan, New York between 1950 and 2025.
686
Total events
12
Tornadoes
119
Hail
86
Floods
3
Deaths
$215.6M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
Heavy rain caused flooding of numerous roads throughout the county, including Rockland. A vehicle fatality occurred at about 5:00 AM on the morning of October 1st in the Town of Neversink. The driver was traveling to work and was swept by floodwaters into Willowemoc Creek. The bo…
Heavy rain from thunderstorms caused significant flash flooding. All roads in the towns of Colchester were closed, and a State of Emergency was declared. 15-20 residents were evacuated near County Highway 7. Serious damage occurred to a bridge on the highway. Portions of the road…
The Delaware River at Barryville went above its flood stage of 17 feet the morning of the 18th, crested at 24.1 feet at 3:15 PM EST on the 18th, then fell back below the flood stage late morning on the 19th. Rainfall amounts were 4 to 7 inches due to the remnants of hurricane Iva…
Heavy rain with amounts of 3 to 6 inches caused flash flooding. The heaviest amounts were at the highest elevations in the northwest section of the county. The rain which fell from the 16th to the 18th was due to the remnants of hurricane Ivan. Most streams and creeks went out of…
Heavy rain caused flash flooding. Numerous roads were flooded. Reports of power poles being washed out of the ground. One residence was undermined enough to partially collapse. Evacuations took place. Rainfall amounts were 1 to 4 inches.
Persistent rains associated with a nearly stationary upper level low pressure system produced a prolonged period of very heavy rain across Sullivan county. Extensive flooding was reported in Cochecton, Delaware, and Tusten where a State of Emergency was declared because of numero…
Winter Storm Winter Storm
Snow accumulated between 6 and 8 inches.
Winter Weather Winter Weather
Snow accumulated between 4 and 7 inches.
Heavy Snow Heavy Snow
Snow accumulated between 5 and 10 inches.
Tornado EF0 Tornado
Just before noon, a thunderstorm along a warm front separated from the rest of a line of showers and storms and began to rotate. With a favorable environment but low instability, a weak tornado touched down near Callicoon Center. With near peak foliage in parts of the Catskills, …
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down a tree onto the road.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down a tree onto a propane tank. Unknown if tank was damaged.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down multiple trees.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds moved a shed onto Old Monticello Road.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down trees and wires on Elk Drive.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down multiple trees and wires.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down a tree on Highway 209.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down a pole and wires on Highway 209.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down a tree on wires between Gamble Road and Willow Heights Road.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked a tree down across the roadway at Route 97 and Viaduct Road.
Drought Drought
The U.S. Drought Monitor declared Severe Drought over the eastern half of the county as a result of insufficient rainfall during the past 90 days coupled with low streamflows, groundwater levels and drier than average soil moisture.
Heavy Snow Heavy Snow
Snow accumulated between 4 and 13 inches.
Drought Drought
The U.S. Drought Monitor declared Severe Drought over the eastern half of the county as a result of insufficient rainfall during the past 90 days coupled with low streamflows, groundwater levels and drier than average soil moisture.
Thunderstorm Wind Thunderstorm Wind
A microburst occurred in Roscoe, NY. The microburst went down a hillside and downed numerous trees in a uniform direction. Some additional damage from downed trees occurred on a few residential properties on Dutch Hill road. The microburst ended before reaching Dutch Hill road.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down trees and wires on Topaz Lane.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down a tree onto wires.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down a tree on Stanton Corners Road.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down a tree on NY 17 Eastbound.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down trees and wires on Discovery Ridge Road.
Thunderstorm Wind Thunderstorm Wind
The New York State Mesonet station WBOU (Woodbourne) measured a gust of 59 mph.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down trees and wires.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down trees and wires on Myers Road.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down trees and wires.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down trees and wires on Riverside Drive.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down trees and wires on Claryville and Frost Valley Roads.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down trees and wires.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down trees on Knickerbocker Road.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down power poles.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down a tree and wires on a road.
Hail Hail
Heavy Snow Heavy Snow
Snow accumulated between 6 and 12 inches.
Flash Flood Flash Flood
Flood waters are spreading into the first floor of a house.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down trees and wires near Roeblings Bridge.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down multiple tree limbs at a campground.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 14 | 1 |
| 2024 | 21 | 0 |
| 2023 | 31 | 1 |
| 2022 | 17 | 0 |
| 2021 | 46 | 0 |
| 2020 | 25 | 0 |
| 2019 | 24 | 0 |
| 2018 | 30 | 0 |
| 2017 | 5 | 0 |
| 2016 | 4 | 0 |
| 2015 | 6 | 0 |
| 2014 | 23 | 1 |
| 2013 | 16 | 0 |
| 2012 | 9 | 0 |
| 2011 | 34 | 0 |
| 2010 | 16 | 0 |
| 2009 | 43 | 0 |
| 2008 | 27 | 0 |
| 2007 | 24 | 0 |
| 2006 | 16 | 0 |
| 2005 | 34 | 0 |
| 2004 | 17 | 0 |
| 2003 | 10 | 1 |
| 2002 | 21 | 0 |
| 2001 | 14 | 0 |
| 2000 | 30 | 1 |
| 1999 | 11 | 0 |
| 1998 | 13 | 0 |
| 1997 | 5 | 0 |
| 1996 | 29 | 2 |
| 1995 | 12 | 0 |
| 1994 | 5 | 0 |
| 1993 | 1 | 0 |
| 1992 | 4 | 0 |
| 1991 | 12 | 0 |
| 1990 | 8 | 1 |
| 1989 | 3 | 1 |
| 1988 | 4 | 0 |
| 1987 | 3 | 0 |
| 1986 | 4 | 1 |
| 1985 | 3 | 0 |
| 1983 | 4 | 0 |
| 1973 | 1 | 0 |
| 1972 | 2 | 1 |
| 1971 | 1 | 0 |
| 1963 | 1 | 0 |
| 1962 | 1 | 0 |
| 1961 | 1 | 1 |
| 1957 | 1 | 0 |