Delaware County, New York
Tornadoes, hail, floods and severe storms recorded here between 1956 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
11
Tornado reports
108
Hail reports
137
Floods since 1996
759
All events
16
Deaths
$378.4M
Property damage
Tornado paths in Delaware County
The part of each tornado’s path NOAA recorded in this county, 11 in all. Zoom in and the paths widen to their surveyed width.
EF0EF1EF2EF3EF4EF5Unrated
Year by year
All storm eventsTornadoes
NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.
Most significant events
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
Tornado F3 Tornado
The same tornadic supercell that moved through southern portions of Broome county crossed into Delaware county in Deposit around 6:45 pm EDT. At that point, the tornado was still quite strong and maintained an intensity of category F3. Several more homes were severely damaged as …
A severe microburst with estimated wind speeds of up to 90 mph, occurred just northwest to north of Cooks Falls, NY near the southeastern edge of Delaware County. There was sporadic damage spread across southern Delaware County from the severe thunderstorm that tracked through th…
Catastrophic flash flooding occurred through the town of Fleischmanns. Homes were washed off foundations, slamming into other homes. Over 200 people were evacuated before the flash flood hit. Some people who did not evacuate had to be rescued. One woman was killed when the buildi…
A catastrophic flash flood occurred the evening of June 19th. The area along the border of Delaware and Sullivan Counties received between 8 and 11 inches of rain in 2 to 3 hours. The water washed out one bridge, damaged several other bridges and roads, destroyed all land-line an…
Heavy rainfall led to excessive runoff into the East Branch Delaware River below the Pepacton Reservoir. The stream gage located near Harvard, NY reached a crest of 12.76 feet on April 8th at 2:30 PM. This is considered to be moderate flooding. Several roads were closed in the ar…
Moderate flooding occurred on the West Branch Delaware River near Hale Eddy, NY. The river gauge located near Hale Eddy crested at 14.71 feet on September 8, 2011 at 10:45 AM.
Moderate flooding occurred along the East Branch Delaware River near Harvard, NY. The river crested at 14.71 feet on September 7, 2011 at 9:45 AM.
Moderate flooding occurred along the West Branch Delaware River near Walton, NY. The river gauge located near Walton recorded at crest of 14.40 feet at 6:00 AM on September 8, 2011.
Approximately 100 homes and businesses were flooded by a wall of water flowing down the East Branch of the Delaware River. Numerous roads and bridges were severely flooded. Mass evacuations took place before the flood occurred. Some people did not evacuate and were rescued by hel…
Heavy rain fell across the county, with 6.65 inches in Andes and 5.16 inches in Walton. Flash flooding occurred throughout much of the county. Numerous road closures were reported in Hancock and in Walton among others due to flooding and mudslides. State Route 10 was closed due t…
Heavy rain from thunderstorms caused significant flash flooding. All roads in the towns of Andes, Stamford and Middletown were closed, and States of Emergency were declared. The flash flooding caused up to 10 million dollars worth of damage to roads and bridges.
Heavy rain with amounts of 4 to 6 inches caused flash flooding. 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 their banks. In addition the east and west branches of the Delaware River and the Beaver Ki…
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds brought multiple trees down in Downsville.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked a tree down on Overlook Drive.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked a tree down on road.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorms knocked a tree down on road.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked multiple trees down around Colchester.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down two trees onto roadway.
Hail Hail
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked wires down.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds knocked down a tree and wires over a road.
Hail Hail
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds knocked down trees on roads around the Downsville area.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Wind chill values ranged from -25 to -33 F.
Winter Storm Winter Storm
Snow accumulated between 10 and 18 inches.
Winter Storm Winter Storm
Snow accumulated between 6 and 10 inches.
Winter Weather Winter Weather
Snow accumulated between 2 and 8 inches.
Flash Flood Flash Flood
Flooding washed out the intersection of Dufton Hollow Road and State Highway 268 north of the Village of Hancock.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down multiple trees and wires on NY 357 which closed all lanes.
Flash Flood Flash Flood
Route 357 between Franklin and Unadilla was closed due to widespread flooding in the area.
Flash Flood Flash Flood
Flooding reported on State Highway 206.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down a tree onto a road.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down a tree onto a road.
Flash Flood Flash Flood
Water was flowing across the roads.
Flash Flood Flash Flood
Flooding was occurring across County Route 23.
Flash Flood Flash Flood
The road was closed along Route 30 near Hubbell Corners Road due to flooding.
Flash Flood Flash Flood
Flooding was occurring near the intersection of Odell Lake Road and State Route 23.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds resulted in multiple reports of trees down near West Main Street.
Thunderstorm Wind Thunderstorm Wind
Strong thunderstorm winds knocked down a tree on a road.
Hail Hail
Thunderstorm Wind Thunderstorm Wind
A thunderstorm moved through parts of the Town of Hancock. This storm produced a weak microburst, which resulted in uprooted trees and some snapped smaller trees along its path. Some of the uprooted trees may have also been aided by saturated soil conditions. The first visible tr…
Flash Flood Flash Flood
Flooding from East Brook was affecting county road CR-22.
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2026 | 13 | 0 |
| 2025 | 18 | 0 |
| 2024 | 28 | 0 |
| 2023 | 26 | 1 |
| 2022 | 32 | 1 |
| 2021 | 23 | 0 |
| 2020 | 36 | 0 |
| 2019 | 23 | 0 |
| 2018 | 12 | 0 |
| 2017 | 13 | 0 |
| 2016 | 9 | 0 |
| 2015 | 4 | 0 |
| 2014 | 16 | 0 |
| 2013 | 17 | 1 |
| 2012 | 14 | 0 |
| 2011 | 34 | 0 |
| 2010 | 25 | 0 |
| 2009 | 28 | 0 |
| 2008 | 28 | 0 |
| 2007 | 30 | 0 |
| 2006 | 27 | 0 |
| 2005 | 30 | 0 |
| 2004 | 35 | 1 |
| 2003 | 20 | 0 |
| 2002 | 22 | 1 |
| 2001 | 13 | 0 |
| 2000 | 26 | 0 |
| 1999 | 19 | 0 |
| 1998 | 16 | 3 |
| 1997 | 13 | 0 |
| 1996 | 23 | 0 |
| 1995 | 14 | 0 |
| 1994 | 4 | 0 |
| 1993 | 3 | 0 |
| 1992 | 5 | 0 |
| 1991 | 7 | 0 |
| 1990 | 19 | 2 |
| 1989 | 12 | 0 |
| 1988 | 2 | 0 |
| 1987 | 4 | 0 |
| 1986 | 3 | 1 |
| 1983 | 3 | 0 |
| 1979 | 1 | 0 |
| 1974 | 1 | 0 |
| 1973 | 1 | 0 |
| 1967 | 1 | 0 |
| 1966 | 2 | 0 |
| 1964 | 1 | 0 |
| 1962 | 2 | 0 |
| 1956 | 1 | 0 |
Search your address
See every tornado that passed within 25 miles of a place in Delaware County, measured to its path.
We couldn’t get your location. Check that location access is allowed for this site, or type an address.