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Pottstown, PA Tornado History — 67 Tornadoes Since 1950

Pennsylvania · 25-mile radius · NOAA Storm Prediction Center

How many tornadoes has Pottstown, PA had?

Pottstown has had 67 tornadoes on record within 25 miles since 1950, including 4 strong to violent (EF3+) tornadoes.

When was the most recent tornado near Pottstown?

The most recent tornado within 25 miles of Pottstown was an EF0 on July 1, 2025.

When is tornado season in Pottstown?

July is historically the peak month for tornadoes near Pottstown, with 14 on record. April through June account for 26 of the 67 tornadoes on record near Pottstown.

At a Glance

Tornadoes Since 1950
67
Within search radius
Violent (EF3+)
4
6.0% of total
Peak Month
July
14 on record
Per Year Avg
0.9
Across 76 years

Recent Tornado Activity Near Pottstown

The last 20 years of confirmed tornadoes within 25 miles — 14 total, averaging 0.7 per year over this window.

2026 0+2 prelim
2025 3
2024 0
2023 1
2022 1
2021 2
2020 2
2019 3
2018 0
2017 0
2016 1
2015 1
2014 0
2013 0
2012 0
2011 0
2010 0
2009 0
2008 0
2007 0

Striped bars mark preliminary reports not yet confirmed by NWS survey — excluded from the confirmed counts.

Preliminary tornado reports near Pottstown since December 29, 2025

These are 2 preliminary reports, not confirmed tornadoes. They have not yet been through an NWS damage survey, and are not counted in the confirmed totals above.

Preliminary reports are revised, merged, and sometimes withdrawn — historically about 23% are consolidated downward once surveys complete. Ratings are omitted until a survey assigns one.

Confirmed records above are complete through December 29, 2025. NOAA publishes the confirmed archive annually, so tornadoes after that date appear here first and move into the totals above once finalized.

Preliminary EF1° September 1, 2026
4 NE Gap, Lancaster County, PA
EF-1 tornado with 90 mph wind in Salisbury Twp. Path length 1.08 miles and width 100 yards. (CTP)
Preliminary August 20, 2026
East Caln Twp, Chester County, PA
A brief tornado occurred in East Caln Township. The first damage was noted just south of the intersection of East Lancaster Avenue and Quarry Road... where several smal (PHI)

Within 25 miles of Pottstown. Quoted text is the report narrative exactly as filed. Source: NOAA Storm Prediction Center preliminary storm reports, updated daily.

What storm spotters reported near Pottstown

4 local storm reports have been filed within 25 miles of Pottstown and since confirmed into the NOAA archive, the earliest on May 4, 2025 and the most recent on July 1, 2025. They are already counted in the Pottstown totals above; quoted below is the narrative each reporting office filed at the time.

July 1, 2025
3 NNW Amity Gardens, Berks County, PA
A brief and weak tornado touched down on Weavertown Lane in Amity Township Berks County... Pennsylvania during the late afternoon of July 1. Several trees had large lim (PHI)
May 4, 2025
1 NW Mohrsville, Berks County, PA
[Landspout] Storm damage survey... videos... and photos confirm a landspout tornado occurred in a rural area between Mohrsville and Shoemakersville. The tornadic circu (PHI)
May 4, 2025
3 E North Heidelberg Tw, Berks County, PA
[Landspout] Video via social media confirms a brief landspout and/or waterspout occurred near the northern end of Blue Marsh Lake in the Blue Marsh National Recreation (PHI)
May 4, 2025
2 NE Denver, Lancaster County, PA
A brief tornado occurred between Martzall Road and White Oak Road in East Cocalico Township just northeast of Denver. Damage along the approximately 500 foot path lengt (CTP)

Source: National Weather Service and trained-spotter local storm reports, relayed by the NOAA Storm Prediction Center.

Tornadoes by Decade

1950s 6
1960s 5
1970s 8
1980s 11
1990s 22
2000s 1
2010s 5
2020s 9

Tornadoes by Enhanced Fujita Rating

F0–F5 ratings (pre-2007) are grouped with their EF equivalents. The Enhanced Fujita scale replaced the original Fujita scale in February 2007.

EF0 18
EF1 27
EF2 18
EF3 4

Tornadoes by Month

Jan 0
Feb 1
Mar 3
Apr 6
May 10
Jun 10
Jul 14
Aug 8
Sep 4
Oct 3
Nov 8
Dec 0

Casualties on Record Near Pottstown

6 fatalities have been recorded within 25 miles of Pottstown since 1950, across 4 events. 68 injuries have been reported across all events. 1994 was the deadliest year on record near Pottstown.

The deadliest single event was an F3 on July 27, 1994, which caused 3 fatalities along a 2.0-mile track.

Notable Tornadoes Near Pottstown

Deadliest Tornado
F3 on July 27, 1994 — 3 fatalities, 2.0 mi path, 100 yd wide.
Costliest Tornado
F3 on July 27, 1994 — est. ~$27.5M (NOAA damage class, pre-1996 estimate).
Widest Tornado
F3 on March 22, 1955 — 600 yards wide.
Longest Path
F3 on November 4, 1950 — 15.9 mile track.
Most Recent
EF0 on July 1, 2025.

What the record shows near Pottstown

The 1990s were the busiest decade near Pottstown, with 22 of the 67 confirmed tornadoes within 25 miles; the 2020s have produced 9 so far. The Pottstown record runs from the 1950s to today.

Of the tornadoes rated near Pottstown, 45 reached EF0 or EF1 and 22 reached EF2 or stronger. The most intense on record near Pottstown is rated EF3, of which 4 are logged.

Across the last 20 years Pottstown has averaged 0.7 confirmed tornadoes a year within 25 miles, 14 in total. 2019 was the busiest of them with 3, and 12 of those years passed with none at all.

Frequently Asked Questions

How many tornadoes has Pottstown, PA had?
Since 1950, 67 tornadoes have been recorded within 25 miles of Pottstown. Data source: NOAA Storm Prediction Center.
What was the deadliest tornado near Pottstown?
The deadliest tornado on record within 25 miles of Pottstown was an F3 on July 27, 1994, which caused 3 fatalities.
When is tornado season in Pottstown?
July is historically the peak month for tornadoes near Pottstown, with 14 tornadoes on record. Tornadoes can occur any time of year, but spring months (April–June) generally see the highest activity across most of the central and southern United States.
When was the most recent tornado near Pottstown?
The most recent tornado within 25 miles of Pottstown was an EF0 on July 1, 2025.
How do I get tornado warnings for Pottstown?
Vortex delivers real-time tornado warnings, severe thunderstorm alerts, and SPC outlook updates for any US location via push notification and phone call. Alerts are sourced directly from the National Weather Service and updated within seconds of issuance.

Official Resources

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