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Mifflin County, Pennsylvania severe weather history spans 197 recorded events between 1952 and 2026. The dominant hazard is thunderstorm wind, accounting for 80.7% of all recorded events. It ranks #2,460 nationally and #60 in Pennsylvania.
197
Recorded events
1
Direct deaths
4
Direct injuries
$1.4M
Property damage
The record
What the Mifflin County, Pennsylvania severe weather history record shows
Across the archive, Mifflin County, Pennsylvania severe weather history averages 2.7 recorded events a year. The busiest stretch on record is the 2010s, with 73 events logged in that decade alone. Roughly 7 events fall before 1990 and 190 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.
The deadliest hazard in the Mifflin County, Pennsylvania record is thunderstorm wind, responsible for 1 direct deaths. The costliest is tornado, with $815K in reported property damage. In total, 6 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in Mifflin County
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Thunderstorm Wind | 159 | 1 | $461K | 70 | 1988–2025 |
| Hail | 20 | 0 | $40K | 1.75 | 1985–2026 |
| Flash Flood | 8 | 0 | $3K | 0 | 1996–2011 |
| Tornado | 5 | 0 | $815K | F2 | 1952–2019 |
| Flood | 4 | 0 | $100K | 0 | 2011–2021 |
| Funnel Cloud | 1 | 0 | $0 | 0 | 2011–2011 |
Decade by decade
Mifflin County, Pennsylvania severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
Tornado tracks
Paths crossing this county
4 mapped tornado paths intersect this county: 4 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 |
|---|---|---|---|---|---|
| 2019-04-19 | EF2 | 0 | 0 | 4.9 mi | Touched down here |
| 1952-07-23 | EF2 | 0 | 4 | 0.1 mi | Touched down here |
| 1996-11-08 | EF1 | 0 | 0 | 1.0 mi | Touched down here |
| 1954-03-15 | EF0 | 0 | 0 | 2.0 mi | Touched down here |
Significant events
Deadliest events on record in Mifflin County
| Date | Type | Location | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Jul 26, 2012 | Thunderstorm Wind | BURNHAM | 1 | 0 | $0 |
| Jul 23, 1952 | Tornado | 0 | 4 | $25K |
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Thunderstorm winds estimated near 60 mph knocked down several large tree branches at the Derry Township Community Park in south Burnham along Derry Park Road and Logan Boulevard. A 16-year-old female was killed when a falling tree branch struck her in the head.
A National Weather Service in State College PA has confirmed an EF2 tornado near Lewistown in Mifflin County Pennsylvania on April 19, 2019.||The tornado first touched down near the reservoir off of Minehart Road, south of Route 103 in Granville. Several hundred trees were felled and snapped in a path around a mile long extending to the north. This was where the most intense damage occurred, where winds were estimated at 115 mph. ||The tornado then jogged to a more northeasterly direction, moving through Riverside Campground. Several dozen large trees were snapped and uprooted. About 5 trailers were totally destroyed by falling trees, with about a dozen others sustaining damage. One trailer was flipped over.||The tornado weakened, but continued into Lewistown where the next visible damage occurred. Several large trees were uprooted, with the most notable tree damage occurring along Grand Street. The roof of Brooklyn Fire station was partially removed, and this marked the end point of the damage path. Peak winds were estimated at 115 mph.
An F1 tornado touched down in Burnham about 1/2 mile east of new route 322 in the Weis Mall parking lot. The tornado demolished the roof of a carwash and partially damaged the roof of the YMCA. Trees were also damaged along the ridge about 1 mile east of the initial touchdown. Several eyewitnesses reported seeing a dark swirling cloud, saw flying debris and reported a loud noise. There were no deaths or injuries.
Context
Risk, population and federal disasters
Relatively Low
FEMA NRI risk rating
46,041
Population (ACS)
$157K
Median home value
17
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 |
| Sep 12, 2011 | Flood | TROPICAL STORM LEE | DR |
| Sep 8, 2011 | Flood | REMNANTS OF TROPICAL STORM LEE | EM |
| Sep 10, 2005 | Hurricane | HURRICANE KATRINA | EM |
Quick answers
Frequently asked
How many severe weather events have been recorded in Mifflin County, Pennsylvania?
197 events are on record between 1952 and 2026, causing 1 direct deaths and $1.4M in property damage.
What is the most common severe weather hazard in Mifflin County?
Thunderstorm Wind, with 159 recorded events — 80.7% of everything in the archive for this county.
How many tornadoes have crossed Mifflin County?
4 mapped tornado paths intersect the county boundary; 4 of them touched down inside it. This is derived from path geometry, not county-tagged reports.
How many federal disaster declarations cover Mifflin County?
17 federal disaster declarations from FEMA include Mifflin County, each tied to a specific incident period.
How risky is Mifflin County compared with the rest of the country?
FEMA's National Risk Index rates Mifflin County as relatively low risk, placing it in the 69 percentile of its state for expected annual loss.
Where does the Mifflin 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
- Mercer County 808
- Monroe County 526
- McKean County 348
- Montgomery County 1,119
- Lycoming County 631
- Montour County 113
Cite this page
“Mifflin County, Pennsylvania.” Severe Weather History. severeweatherhistory.com/county/pennsylvania/mifflin-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.