61
Recorded events
0
Direct deaths
0
Direct injuries
$266.3M
Property damage
Flash Flood in Tioga County, New York: 61 recorded events between 1996 and 2026. The strongest on record measured 0. That places the county #440 nationally and #28 statewide for this hazard.
Decade by decade
Flash Flood in Tioga County, New York: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flash flood in Tioga County is the 2010s, when 36 of the county's 61 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.
Within the Tioga County archive, flash flood makes up 14.6% of all recorded severe weather across 8 hazard types. Nationally the county sits at #440 for this hazard and #28 within New York, putting it in the 85.3 percentile of all U.S. counties.
Seasonality
Events by month
Jul is the peak month for flash flood in Tioga County with 16 recorded events, while Feb is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Mar 31, 2026 | WEST NEWARK | — | $15K |
| Jul 14, 2025 | WILLSEYVILLE | 0 | $100K |
| Jul 13, 2025 | WEST NEWARK | 0 | $250K |
| Jul 13, 2025 | WEST NEWARK | 0 | $50K |
| Jul 13, 2025 | EAST BERKSHIR | 0 | $3K |
| Jul 13, 2025 | WEST NEWARK | 0 | $5K |
| Dec 25, 2020 | OWEGO | 0 | $5K |
| Nov 1, 2019 | NICHOLS | 0 | $25K |
| Jun 19, 2019 | LITCHFIELD | 0 | $5K |
| Sep 18, 2018 | TIOGA CENTER | 0 | $250K |
Other hazards here
More from Tioga County
- Thunderstorm Wind 245
- Hail 87
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
The Engelbert farm which is just east of Lounsberry on East River Road is several feet under water and has been since mid-afternoon. There is significant damage to equipment, buildings and crops. Some livestock were lost in the flash flood.
Major flash flooding occurred in several areas of the county during the overnight hours on the 28th, especially along the State Route 38 corridor. The town of Owego had 1.5 million in damages to roads, five major stream crossings, ditches, culverts and road shoulders. The Town of Newark Valley had $800,000 in damages, including 50 homes that were impacted, as well as road washouts and closures. Schools were closed in the town due to impassable roads.
Heavy rain with amounts of 3 to 6 inches caused flash flooding. The rain which fell from the 16th to the 18th was due to the remnants of hurricane Ivan. Many creeks and streams went out of their banks. The Susquehanna River also flooded.
Quick answers
Frequently asked
How many flash flood events are on record in Tioga County, New York?
61 flash flood events are recorded in Tioga County between 1996 and 2026, causing 0 direct deaths.
What is the strongest flash flood recorded in Tioga County?
The strongest flash flood on record in Tioga County measured 0.
Where does the flash flood data for Tioga County come from?
All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.
Cite this page
“Flash Flood in Tioga County, New York.” Severe Weather History. severeweatherhistory.com/county/new-york/tioga-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.