Tioga County, Pennsylvania severe weather history spans 338 recorded events between 1967 and 2026. The dominant hazard is thunderstorm wind, accounting for 69.5% of all recorded events. It ranks #1,566 nationally and #46 in Pennsylvania.
338
Recorded events
0
Direct deaths
15
Direct injuries
$6.8M
Property damage
The record
What the Tioga County, Pennsylvania severe weather history record shows
Across the archive, Tioga County, Pennsylvania severe weather history averages 5.7 recorded events a year. The busiest stretch on record is the 2000s, with 92 events logged in that decade alone. Roughly 27 events fall before 1990 and 311 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.
The costliest is flash flood, with $2.9M in reported property damage. In total, 7 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in Tioga County
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Thunderstorm Wind | 235 | 0 | $857K | 87 | 1971–2025 |
| Hail | 54 | 0 | $10K | 2.5 | 1967–2025 |
| Flash Flood | 27 | 0 | $2.9M | 0 | 1996–2021 |
| Flood | 13 | 0 | $450K | 0 | 2007–2026 |
| Tornado | 7 | 0 | $2.6M | F2 | 1970–2019 |
| Lightning | 1 | 0 | $0 | 0 | 2005–2005 |
| Funnel Cloud | 1 | 0 | $0 | 0 | 2018–2018 |
Decade by decade
Tioga County, Pennsylvania severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
Tornado tracks
Paths crossing this county
7 mapped tornado paths intersect this county: 7 touched down inside it and 0 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.
| Date | Scale | Deaths | Injuries | Path length | Origin |
|---|---|---|---|---|---|
| 1983-05-02 | EF2 | 0 | 0 | 9.8 mi | Touched down here |
| 2018-07-23 | EF1 | 0 | 0 | 2.1 mi | Touched down here |
| 2011-05-29 | EF1 | 0 | 0 | 2.5 mi | Touched down here |
| 1997-07-08 | EF1 | 0 | 0 | 8.0 mi | Touched down here |
| 1970-08-30 | EF1 | 0 | 0 | 0.3 mi | Touched down here |
| 2019-05-29 | EF0 | 0 | 0 | 1.1 mi | Touched down here |
| 2005-06-06 | EF0 | 0 | 0 | 2.0 mi | Touched down here |
Significant events
Deadliest events on record in Tioga County
| Date | Type | Location | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| May 26, 2011 | Thunderstorm Wind | BLOSSBURG | 0 | 9 | $5K |
| Nov 20, 1989 | Thunderstorm Wind | 0 | 2 | $0 | |
| Sep 22, 2012 | Thunderstorm Wind | CHARLESTON | 0 | 1 | $10K |
| Aug 13, 2005 | Lightning | COVINGTON | 0 | 1 | $0 |
| Jul 31, 2005 | Thunderstorm Wind | COVINGTON | 0 | 1 | $0 |
| Jun 17, 1986 | Thunderstorm Wind | 0 | 1 | $0 |
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
A section of Business Route 15 near Mansfield was closed Wednesday night (9/7) into Thursday morning (9/8) by flood waters from the Tioga River and Canoe Camp Creek. The impacted stretch of roadway reopened by Thursday afternoon. This relatively short section of road runs from the southern edge of Mansfield Borough southward into Richmond Township, near the highway access to new Route 15.||A few homes were evacuated along a private road near Mill Creek. Some secondary township roads were also closed. Damages were estimated at $449,652 for public facilities in the county.
At 1935 EDT Tioga County is activating their EOC to an enhanced level due to flooding conditions throughout the county. Trailer park on Benedict Lane in Roseville is being evacuated, one foot of water and rising. Rt 660 in Delmar Township is flooded. Route 6 in Mansfield is flooding. Numerous roadways washed out and flooded. |At 2020 EDT Roseville area at 73 Benedict Road (in Mansfield) a Mobile Home Park is flooding, 10 residents are being evacuated to the Mansfield Fire Department. Route 549 and Route 6 in Roseville are underwater in multiple locations. Route 549 is passable, but has substantial debris on the roadway from the flooding. At 2246 EDT a total of 38 persons were evacuated from the Roseville area this evening. Route 549 remains closed. Route 6 has reopened. Route 287 has reopened.
An NWS Storm Survey confirmed that a downburst, with maximum winds estimated near 100 mph, occurred along Balsam Road in Tioga County during the afternoon hours of March 16, 2025. Numerous pine trees were snapped and uprooted, leading to some roof damage at households on Balsam Road. A utility pole was downed along with several shingles of a couple of buildings being blown off in the vicinity. On the northwest side of Balsam Road, multiple softwood trees had their trunks snapped.
Context
Risk, population and federal disasters
Relatively Low
FEMA NRI risk rating
40,945
Population (ACS)
$181K
Median home value
20
Federal declarations
| Declared | Incident | Title | Type |
|---|---|---|---|
| Sep 11, 2024 | Tropical Storm | TROPICAL STORM DEBBY | DR |
| Mar 30, 2020 | Biological | COVID-19 PANDEMIC | DR |
| Mar 13, 2020 | Biological | COVID-19 | EM |
| Nov 27, 2018 | Severe Storm | SEVERE STORMS AND FLOODING | DR |
| Oct 29, 2012 | Hurricane | HURRICANE SANDY | EM |
| Sep 12, 2011 | Flood | TROPICAL STORM LEE | DR |
Quick answers
Frequently asked
How many severe weather events have been recorded in Tioga County, Pennsylvania?
338 events are on record between 1967 and 2026, causing 0 direct deaths and $6.8M in property damage.
What is the most common severe weather hazard in Tioga County?
Thunderstorm Wind, with 235 recorded events — 69.5% of everything in the archive for this county.
How many tornadoes have crossed Tioga County?
7 mapped tornado paths intersect the county boundary; 7 of them touched down inside it. This is derived from path geometry, not county-tagged reports.
How many federal disaster declarations cover Tioga County?
20 federal disaster declarations from FEMA include Tioga County, each tied to a specific incident period.
How risky is Tioga County compared with the rest of the country?
FEMA's National Risk Index rates Tioga County as relatively low risk, placing it in the 60 percentile of its state for expected annual loss.
Where does the Tioga County, Pennsylvania severe weather history data come from?
Every figure is drawn from United States federal public-domain records: NOAA/NCEI Storm Events for the event archive, NOAA SPC SVRGIS for mapped tornado paths, FEMA for disaster declarations and risk ratings, and the U.S. Census for population context. Dates are shown in UTC and recent entries may still be revised by NOAA.
Nearby
Neighbouring counties
- Union County 185
- Susquehanna County 514
- Venango County 598
- Sullivan County 178
- Warren County 403
- Somerset County 416
Cite this page
“Tioga County, Pennsylvania.” Severe Weather History. severeweatherhistory.com/county/pennsylvania/tioga-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.