Warren County, Pennsylvania
County storm and disaster record · FIPS 42123 · population 38,587 · 884 sq mi
NOAA's Storm Events Database holds 575 records for Warren County, Pennsylvania from 1950 through June 30, 2026, on 374 days; the most frequent are severe thunderstorm wind events (313 records). The deadliest single record is the June 23, 2015 thunderstorm wind: 1 death, 4 injuries and $3,735 in damage in 2025 dollars. FEMA has issued 10 declarations naming the county since 1972, 8 of them for natural hazards; the latest for a natural hazard was “Hurricane Sandy” on October 29, 2012.
The record, 1950 to 2026
Storm records filed for the county each year (2026 to June 30, 2026). Before 1996 NOAA recorded only tornadoes (from 1950), thunderstorm wind and hail (from 1955).
- recorded, no damage figure
- under $100,000
- $100,000 or more
- $1 million or more
- $10 million or more, or a death
- $100 million or more, or 10 deaths
- a year's colour: its recorded damage or deaths
- a year with a death
- 1955: wind and hail recorded from 1955
- 1996: all 48 event types from 1996
- Storm records
- 575on 374 days, 1950 to June 30, 2026
- Deaths recorded
- 316 injuries
- Damage, 2025 dollars
- $84Mas filed (scale steps before 1993)
- Tornadoes
- 19strongest F4
- FEMA declarations
- 10latest 2020
Source: NOAA NCEI Storm Events Database, records through June 30, 2026 (file revision 20260918); damage converted to 2025 dollars with the BLS CPI-U. Search the record at NCEI. BLS consumer price index.
What hazards hit Warren County most?
The most frequent records are severe thunderstorm wind events: 313 since 1967. 52% of its severe thunderstorm wind events since 1967 fell in June and July. The rank column places the county among Pennsylvania's counties by days with a record per 1,000 square miles of land over each hazard's complete period.
| Hazard | Records | Days | First, last | Killed | Injured | Damage | Rank in state |
|---|---|---|---|---|---|---|---|
| Severe thunderstorm wind | 313 | 173 | 1967-2026 | 2 | 6 | $1.6M | 52 of 67 |
| Winter storms | 108 | 108 | 1996-2026 | 0 | 0 | $8K | 46 of 67 |
| Hail | 44 | 37 | 1955-2025 | 0 | 0 | – | 52 of 67 |
| Floods | 36 | 31 | 1996-2026 | 0 | 0 | $80M | 60 of 67 |
| Extreme cold | 22 | 22 | 2004-2025 | 0 | 0 | – | 20 of 67 |
| High wind and dust storms | 21 | 21 | 1996-2024 | 1 | 2 | $454K | 52 of 67 |
| Tornadoes | 19 | 15 | 1970-2026 | 0 | 8 | $2.0M | 43 of 67 |
| Fog, smoke and funnel clouds | 6 | 4 | 2007-2025 | 0 | 0 | – | 19 of 67 |
| Drought | 4 | 4 | 1997-2025 | 0 | 0 | – | 56 of 67 |
| Lightning | 1 | 1 | 2013-2013 | 0 | 0 | $6K | 46 of 67 |
| Wildfires | 1 | 1 | 2021-2021 | 0 | 0 | – | 16 of 67 |
Source: NOAA NCEI Storm Events Database (county and forecast-zone records attributed to the county; a zone record shows its own totals on each county it covers). Days: dates with at least one record of the hazard in the county. Ranks: days with a record per 1,000 square miles of land (Census Bureau 2024 Gazetteer), since 1950 for tornadoes, 1955 for hail and thunderstorm wind, 1996 for the rest.
How many tornadoes has Warren County had?
NOAA records 19 tornadoes in Warren County from 1970 to 2026, the strongest rated F4, with 0 deaths and 8 injuries recorded in the county. A tornado that crossed a county line is counted in each county it touched, with the length of its path inside the county.
Counted as whole tornadoes rather than county records, the Storm Prediction Center's database holds 19 tornadoes whose track touched Warren County since 1950 (NOAA's county records number 19, the same count); along their whole tracks they killed 4 people, 0 of them in Warren County.
| Date | Tornado | Rating | Path | Killed |
|---|---|---|---|---|
| 1985-05-31 18:00, as SPC files it | St. Marys | F4 | 29 mi | 4 |
| 1985-05-31 15:25, as SPC files it | Waterford to PanamaCrossed NY, PA | F4 | 28 mi | 0 |
| 1985-05-31 17:30, as SPC files it | Tidioute | F3 | 17 mi | 0 |
| 1971-06-02 18:05, as SPC files it | Edinboro to Corry | F3 | 29.3 mi | 0 |
Map of the strongest tornado tracks in Pennsylvania.
Every tornado record filed for Warren County (19)
| Date | Place | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2026-06-14 | Selkirk, Warren County | EF1 0.64 mi x 150 yd | 0 | 0 | $10K |
| 2019-04-14 | Irvine, Warren County | EF2 18 mi x 400 yd | 0 | 0 | $1.2M |
| 2018-10-02 | Wrightsville, Warren County | EF1 0.84 mi x 75 yd | 0 | 0 | $6K |
| 2017-04-20 | Chandlers Vly, Warren County | EF0 0.35 mi x 20 yd | 0 | 0 | $12K |
| 2016-09-17 | Scandia, Warren County | EF1 1.6 mi x 40 yd | 0 | 0 | $25K |
| 2016-06-05 | North Warren, Warren County | EF1 0.79 mi x 120 yd | 0 | 0 | $123K |
| 2013-05-28 | Scandia, Warren County | EF1 4.22 mi x 100 yd | 0 | 0 | $3K |
| 2013-05-28 | Chandlers Vly, Warren County | EF0 2.76 mi x 50 yd | 0 | 0 | $13K |
| 2008-07-26 | Old Clarendon, Warren County | EF1 0.28 mi x 50 yd | 0 | 0 | – |
| 2007-09-26 | Tidioute, Warren County | EF1 3 mi x 50 yd | 0 | 0 | $107K |
| 2004-06-17 | Sheffield, Warren County | F1 2.5 mi x 100 yd | 0 | 0 | – |
| 2002-07-28 | Pittsfield, Warren County | F1 3 mi x 100 yd | 0 | 0 | $57K |
| 1999-07-09 | Tidioute, Warren County | F1 3 mi x 100 yd | 0 | 0 | $266K |
| 1985-06-22 | Warren County | F1 3 mi x 17 yd | 0 | 0 | $25K step |
| 1985-05-31 | Warren County | F4 3.5 mi x 1,000 yd | 0 | 0 | – |
| 1985-05-31 | Warren County | F3 17 mi x 800 yd | 0 | 8 | – |
| 1985-05-31 | Warren County | F1 5 mi x 130 yd | 0 | 0 | – |
| 1985-05-31 | Warren County | F4 2 mi x 300 yd | 0 | 0 | – |
| 1970-07-15 | Warren County | F1 1 mi x 167 yd | 0 | 0 | $25K step |
A damage figure marked "step" is a record from before 1993: NOAA then filed damage by category, and the figure is the category as entered, in the dollars of that year, not an estimate of the loss.
Source: NOAA NCEI Storm Events Database, tornado records by county (path length in the county, maximum width); ratings as published: F scale before February 1, 2007, EF scale after. Whole-track figures: NOAA Storm Prediction Center tornado database (1950-2025). SPC severe weather database.
When was the last damaging storm in Warren County?
The most recent record with damage, injuries or deaths is the June 14, 2026 thunderstorm wind ($1,000 in damage in 2025 dollars).
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2026-06-14 | Thunderstorm WindRoystone, Warren County | 52 kt wind | 0 | 0 | $1K |
| 2026-06-14 | Thunderstorm WindWarren County | 52 kt wind | 0 | 0 | $10K |
| 2026-06-14 | Thunderstorm WindWarren County | 52 kt wind | 0 | 0 | $5K |
| 2026-06-14 | Thunderstorm WindEnterprise, Warren County | 52 kt wind | 0 | 0 | $5K |
| 2026-06-14 | Thunderstorm WindSelkirk, Warren County | 52 kt wind | 0 | 0 | $5K |
| 2026-06-14 | Thunderstorm WindTidioute, Warren County | 52 kt wind | 0 | 0 | $1K |
| 2026-06-14 | TornadoSelkirk, Warren County | EF1 0.64 mi x 150 yd | 0 | 0 | $10K |
| 2026-06-11 | Thunderstorm WindRussell, Warren County | 43 kt wind | 0 | 0 | $1K |
| 2026-06-06 | Thunderstorm WindHenrys Mills, Warren County | 52 kt wind | 0 | 0 | $4K |
| 2026-06-06 | Thunderstorm WindTidioute, Warren County | 52 kt wind | 0 | 0 | $2K |
| 2026-05-23 | FloodChandlers Vly, Warren County | 0 | 0 | – | |
| 2026-03-31 | Thunderstorm WindWeldbank, Warren County | 52 kt wind | 0 | 0 | $2K |
Source: NOAA NCEI Storm Events Database; every record of 2025-2026 is listed, earlier ones when they caused deaths, injuries or $250,000 of damage (2025 dollars), and every tornado.
The deadliest and costliest records
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2015-06-23 | Thunderstorm WindVandergriff Corners, Warren County Thunderstorms producing winds estimated around 90 mph knocked down trees in a campground, killing one person and injuring 4 others in the Minister Creek recreation area. | 78 kt wind | 1 | 4 | $4K |
| 2000-12-12 | High WindWarren County · forecast zone Warren Low pressure tracked northeast from the Mississippi Valley, intensifying rapidly as it tracked across Cleveland, OH overnight to Montreal, Canada by Tuesday morning of the 12th. A strong cold front trailing from the low moved east across Pennsylvania producing wind damage in every central PA county. Statewide, it was ... | 1 | 2 | $24K | |
| 1999-07-09 | Thunderstorm WindGarland, Warren County Downburst winds blew down dozens of trees. A tree fell on a car on route 27 just south of Garland, fatally injuring the 21 year old female driver, critically injuring the second female passenger, and seriously injuring the third. Close by another tree fell and completely smashed an unoccupied auto. Just to the east of ... | 1 | 2 | $266K | |
| 1985-05-31 | TornadoWarren County | F3 17 mi x 800 yd | 0 | 8 | – |
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2004-09-17 | FloodWarren County · forecast zone Warren | 0 | 0 | $78M | |
| 2019-04-14 | TornadoIrvine, Warren County | EF2 18 mi x 400 yd | 0 | 0 | $1.2M |
| 2019-07-04 | Flash FloodTidioute, Warren County | 0 | 0 | $1.2M | |
| 2003-07-21 | Flash FloodTidioute, Warren County | 0 | 0 | $802K | |
| 1999-07-09 | Thunderstorm WindGarland, Warren County | 1 | 2 | $266K | |
| 1999-07-09 | TornadoTidioute, Warren County | F1 3 mi x 100 yd | 0 | 0 | $266K |
| 2016-06-05 | TornadoNorth Warren, Warren County | EF1 0.79 mi x 120 yd | 0 | 0 | $123K |
| 2007-09-26 | TornadoTidioute, Warren County | EF1 3 mi x 50 yd | 0 | 0 | $107K |
Before 1993 NOAA filed damage by category, not amount, so the list above starts in 1993. The highest category filed here before then (entered as $25K, in the dollars of the day) holds: July 15, 1970 (tornado, Warren County); June 22, 1985 (tornado, Warren County).
Source: NOAA NCEI Storm Events Database: deaths and injuries direct and indirect; damage is property plus crops as estimated by the National Weather Service, converted to 2025 dollars.
Is it getting more frequent?
Records per decade for Warren County's most frequent hazards. Counts rose everywhere after 1996, when NOAA began recording every event type, so compare decades within a hazard's complete period only (the shaded cells come before it).
| Hazard | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020-26 |
|---|---|---|---|---|---|---|---|---|
| Severe thunderstorm wind | 0 | 1 | 4 | 17 | 61 | 57 | 103 | 70 |
| Winter storms | – | – | – | – | 18 | 48 | 28 | 14 |
| Hail | 1 | 0 | 0 | 5 | 10 | 15 | 8 | 5 |
| Floods | – | – | – | – | 10 | 18 | 6 | 2 |
| Extreme cold | – | – | – | – | 0 | 10 | 10 | 2 |
| High wind and dust storms | – | – | – | – | 4 | 13 | 2 | 2 |
Source: NOAA NCEI Storm Events Database, records per calendar decade; zone records from the CZ_TYPE field (Z).
What time of year?
52% of its severe thunderstorm wind events since 1967 fell in June and July. The two busiest months are in violet.
The values, month by month
Jan 46 · Feb 27 · Mar 24 · Apr 33 · May 66 · Jun 103 · Jul 102 · Aug 51 · Sep 30 · Oct 14 · Nov 32 · Dec 47 (records).
Source: NOAA NCEI Storm Events Database, records by the month they began.
Federal disaster declarations for Warren County
FEMA's register lists 10 declarations that include Warren County: 6 major disasters, 4 emergencies and 0 fire management assistance declarations. Most were for hurricane (3) and biological (2).
| Declared | Number | Type | Title |
|---|---|---|---|
| 2020-03-30 | DR-4506 | Biological | Covid-19 Pandemic |
| 2020-03-13 | EM-3441 | Biological | Covid-19 |
| 2012-10-29 | EM-3356 | Hurricane | Hurricane Sandy |
| 2005-09-10 | EM-3235 | Hurricane | Hurricane Katrina |
| 2004-09-19 | DR-1555 | Severe Storm | Severe Storms and Flooding Associated With Tropical Depression Frances |
| 2004-09-19 | DR-1557 | Hurricane | Tropical Depression Ivan |
| 2003-08-23 | DR-1485 | Severe Storm | Severe Storms, Tornadoes, and Flooding |
| 1996-01-21 | DR-1093 | Flood | Severe Storms and Flooding |
| 1993-03-16 | EM-3105 | Snowstorm | Severe Snowfall & Winter Storm |
| 1972-06-23 | DR-340 | Flood | Tropical Storm Agnes |
Source: FEMA OpenFEMA Disaster Declarations Summaries (v2), declarations through October 2, 2026; one declaration is counted once however many areas it names. OpenFEMA dataset page.
How many floods has Warren County had?
NOAA's Storm Events Database holds 36 flood or flash flood records for Warren County from 1996 to 2026, on 31 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Warren County ranks 1184th of 2,942 U.S. counties.
| Storm | Began | Records | Deaths in the county |
|---|---|---|---|
| Tropical Depression Ivan | 2004-09-17 | 1 | 0 |
The National Flood Insurance Program has paid $1.1 million on 126 claims filed in Warren County; the most in one year was 21 in 1992. Claims count insured losses only: uninsured flood damage is not in this file.
The values, year by year
1978: 2 · 1979: 7 · 1981: 13 · 1983: 6 · 1984: 1 · 1986: 3 · 1990: 1 · 1992: 21 · 1993: 4 · 1994: 2 · 1995: 1 · 1996: 3 · 1998: 14 · 2001: 1 · 2003: 5 · 2004: 2 · 2007: 4 · 2008: 1 · 2009: 9 · 2010: 1 · 2011: 5 · 2013: 2 · 2014: 9 · 2017: 3 · 2018: 1 · 2019: 2 · 2022: 2 · 2023: 1; the other years: 0.
Source: FEMA OpenFEMA NFIP Redacted Claims, as of September 8, 2026; claims by year of loss, payments in the dollars of the year paid. OpenFEMA dataset page.
FEMA's modeled risk for Warren County
FEMA's National Risk Index rates Warren County Relatively Low overall, with an expected annual loss of $23.1 million. These are FEMA's model estimates of future loss from 18 hazards, not a count of what happened; they can differ from the record above.
| Hazard | Risk rating | Expected annual loss | Modeled frequency |
|---|---|---|---|
| Riverine Flooding | Relatively Moderate | $21M | 1 a year (modeled) |
| Strong Wind | Relatively Moderate | $1.1M | 1.8 a year (modeled) |
| Lightning | Relatively Moderate | $357K | 36 a year (modeled) |
| Landslide | Relatively Low | $6K | about once a year (modeled) |
| Winter Weather | Relatively Low | $44K | 27 a year (modeled) |
| Cold Wave | Relatively Low | $507K | 3.9 a year (modeled) |
| Hurricane | Very Low | $139K | once in about 31 years (modeled) |
| Avalanche | Very Low | $364 | once in about 100 years (modeled) |
Source: FEMA National Risk Index, county table, December 2025 release. FEMA's National Risk Index map.
Counties that share a border with Warren County
Source: U.S. Census Bureau county adjacency file; NOAA NCEI Storm Events Database, records since 1950. The Census Bureau's adjacency file.
Next
- Tornadoes in PennsylvaniaEvery Pennsylvania tornado since 1950 and the counties with the most per square mile
- Severe thunderstorm wind in PennsylvaniaThe state's severe thunderstorm wind events, by county, year and month
- The Pennsylvania recordEvery hazard in the state, its deadliest events and its federal declarations
- FEMA's risk rating for each hazard in Warren CountyThe hazard risk calculator: 18 hazards beside the county's record
- Download Warren County's FEMA declarations (CSV)10 rows: every declaration that named the county, for your own analysis