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Beaver County, Pennsylvania severe weather history spans 840 recorded events between 1954 and 2026. The dominant hazard is thunderstorm wind, accounting for 59.8% of all recorded events. It ranks #256 nationally and #11 in Pennsylvania.
840
Recorded events
5
Direct deaths
49
Direct injuries
$62.1M
Property damage
The record
What the Beaver County, Pennsylvania severe weather history record shows
Across the archive, Beaver County, Pennsylvania severe weather history averages 11.7 recorded events a year. The busiest stretch on record is the 2010s, with 288 events logged in that decade alone. Roughly 77 events fall before 1990 and 763 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.
The deadliest hazard in the Beaver County, Pennsylvania record is tornado, responsible for 3 direct deaths. The costliest is tornado, with $28.6M in reported property damage. In total, 8 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in Beaver County
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Thunderstorm Wind | 502 | 2 | $12.6M | 70 | 1963–2026 |
| Hail | 153 | 0 | $1K | 4.5 | 1956–2026 |
| Flash Flood | 95 | 0 | $18.9M | 0 | 1996–2025 |
| Flood | 51 | 0 | $1.9M | 0 | 2006–2024 |
| Tornado | 24 | 3 | $28.6M | F3 | 1954–2024 |
| Heavy Rain | 7 | 0 | $0 | 0 | 2012–2022 |
| Lightning | 6 | 0 | $53K | 0 | 1996–2011 |
| Funnel Cloud | 2 | 0 | $0 | 0 | 1996–1998 |
Decade by decade
Beaver County, Pennsylvania severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
Tornado tracks
Paths crossing this county
24 mapped tornado paths intersect this county: 21 touched down inside it and 3 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.
| Date | Scale | Deaths | Injuries | Path length | Origin |
|---|---|---|---|---|---|
| 1985-05-31 | EF3 | 9 | 120 | 39.0 mi | Touched down here |
| 2024-05-07 | EF2 | 0 | 1 | 15.3 mi | Crossed in |
| 1975-06-04 | EF2 | 0 | 0 | 45.3 mi | Touched down here |
| 1956-05-12 | EF2 | 0 | 0 | 0.1 mi | Touched down here |
| 1954-06-10 | EF2 | 0 | 3 | 7.3 mi | Touched down here |
| 2021-10-21 | EF1 | 0 | 0 | 3.2 mi | Touched down here |
| 2021-10-16 | EF1 | 0 | 0 | 2.1 mi | Touched down here |
| 2021-10-21 | EF1 | 0 | 0 | 1.6 mi | Touched down here |
| 2020-06-10 | EF1 | 0 | 0 | 9.6 mi | Touched down here |
| 1998-04-09 | EF1 | 0 | 0 | 0.2 mi | Touched down here |
Significant events
Deadliest events on record in Beaver County
| Date | Type | Location | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Jun 1, 1985 | Tornado | 3 | 40 | $25.0M | |
| Jun 1, 1985 | Thunderstorm Wind | 2 | 0 | $0 | |
| Sep 4, 1970 | Tornado | 0 | 5 | $2.5M | |
| May 15, 2011 | Lightning | INDUSTRY | 0 | 1 | $0 |
| Mar 25, 1996 | Thunderstorm Wind | AMBRIDGE | 0 | 1 | $0 |
| Jul 4, 1983 | Tornado | 0 | 1 | $250K | |
| Jun 11, 1954 | Tornado | 0 | 1 | $25K |
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
A retired NWS employee reported flash flooding in Aliquippa, Monaca, and surrounding towns from rainfall of 3 to over 4 inches in 2 hours. Over 500 buildings and homes sustained damage across Beaver county with around 50 families displaced from homes.
Thunderstorm winds downed numerous trees across Beaver county as a line of storms moved from northwest to southeast across the county. Among the areas that reported damage were Darlington Borough, Beaver Falls, New Brighton, Rochester and Baden. The city of Beaver was perhaps the hardest hit area, with numerous trees blown down by winds estimated at over 60 MPH. One tree fell onto a parked station wagon, crushing it. Despite the widespread damage, no injuries were reported.
Trees and power lines down in Baden, Beaver Falls, Economy; and in the townships of Chippewa, Crescent, Hopewell, and Independence. Tree fell on car in Beaver. Tree fell on house in New Brighton. 6000 customers lost electricity.
Context
Risk, population and federal disasters
Relatively Low
FEMA NRI risk rating
166,324
Population (ACS)
$191K
Median home value
15
Federal declarations
| Declared | Incident | Title | Type |
|---|---|---|---|
| Mar 30, 2020 | Biological | COVID-19 PANDEMIC | DR |
| Mar 13, 2020 | Biological | COVID-19 | EM |
| Oct 29, 2012 | Hurricane | HURRICANE SANDY | EM |
| Apr 16, 2010 | Snowstorm | SEVERE WINTER STORMS AND SNOWSTORMS | DR |
| Sep 10, 2005 | Hurricane | HURRICANE KATRINA | EM |
| Sep 19, 2004 | Severe Storm | SEVERE STORMS AND FLOODING ASSOCIATED WITH TROPICAL DEPRESSION FRANCES | DR |
Quick answers
Frequently asked
How many severe weather events have been recorded in Beaver County, Pennsylvania?
840 events are on record between 1954 and 2026, causing 5 direct deaths and $62.1M in property damage.
What is the most common severe weather hazard in Beaver County?
Thunderstorm Wind, with 502 recorded events — 59.8% of everything in the archive for this county.
How many tornadoes have crossed Beaver County?
24 mapped tornado paths intersect the county boundary; 21 of them touched down inside it. This is derived from path geometry, not county-tagged reports.
How many federal disaster declarations cover Beaver County?
15 federal disaster declarations from FEMA include Beaver County, each tied to a specific incident period.
How risky is Beaver County compared with the rest of the country?
FEMA's National Risk Index rates Beaver County as relatively low risk, placing it in the 75 percentile of its state for expected annual loss.
Where does the Beaver 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
- Armstrong County 510
- Bedford County 267
- Allegheny County 2,357
- Berks County 1,349
- Adams County 397
- Blair County 304
Cite this page
“Beaver County, Pennsylvania.” Severe Weather History. severeweatherhistory.com/county/pennsylvania/beaver-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.