Warren County, Pennsylvania tornadoes

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19confirmed tornadoes since NOAA records began in 1950 (the first here in 1970). Most recent: April 14, 2019, EF2. 2026 so far: 1 preliminary report preliminary

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Map

Every tornado path in the county

Tornado paths, 1950 to 2025
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(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5Unrated

Each path is a straight line from where the tornado started to where it ended, which is all most NOAA records hold. Tap a path for its details.

Recent warnings

Recent warnings in Warren County

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The record

At a glance

Total191950 to 2025
Per year0.3average since 1950
Peak monthMay6 of 19
StrongestF4May 31, 1985
Deaths4whole paths, see note
Injuries48whole paths, see note

Deaths and injuries are NOAA's totals for each tornado's whole path, which can extend beyond Warren County.

Seasons

When tornadoes hit here

By month

60 Jan: 0Feb: 0Mar: 0Apr: 2May: 6Jun: 4Jul: 4Aug: 0Sep: 2Oct: 1Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

May is the peak month, with 6 of 19 tornadoes.

By time of day

40 12 AM: 0: 0: 03 AM: 0: 0: 06 AM: 0: 0: 09 AM: 0: 1: 112 PM: 0: 1: 03 PM: 3: 4: 36 PM: 3: 2: 09 PM: 1: 0: 012 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 4:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

50 1950: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01960: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01970: 1: 1: 0: 0: 0: 0: 0: 0: 0: 01980: 0: 0: 0: 0: 0: 5: 0: 0: 0: 01990: 0: 0: 0: 0: 0: 0: 0: 0: 0: 12000: 0: 0: 1: 0: 1: 0: 0: 1: 1: 02010: 0: 0: 0: 2: 0: 0: 2: 1: 1: 12020: 0: 0: 0: 0: 0: 019501960197019801990200020102020

The line is the five-year average. Tornadoes before about 1953 were under-reported, and better radar since the 1990s finds more weak ones. This year so far: 1 preliminary reports.

By rating

EF0
2
EF1
12
EF2
1
EF3
2
EF4
2

Ratings before February 2007 use the original F scale; the numbers line up with today's EF scale. Unknown means NOAA could not assign a rating.

The record

Notable tornadoes

Deadliest

F4, May 31, 1985

4 deaths, 40 injuries Strongest

F4, May 31, 1985

29 mile path Longest path

29.3 miles, F3

June 2, 1971, whole path Widest

1,000 yards, F4

May 31, 1985
Every tornado

All 19 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Apr 14, 2019EF218 mi400 yd00
Oct 2, 2018EF10.84 mi75 yd00
Apr 20, 2017EF00.35 mi20 yd00
Sep 17, 2016EF11.6 mi40 yd00
Jun 5, 2016EF10.79 mi120 yd00
May 28, 2013EF14.22 mi100 yd00
May 28, 2013EF02.76 mi50 yd00
Jul 26, 2008EF10.28 mi50 yd00
Sep 26, 2007EF13 mi50 yd00
Jun 17, 2004F12.5 mi100 yd00
Jul 28, 2002F13 mi100 yd00
Jul 9, 1999F13 mi100 yd00
Jun 22, 1985F13 mi17 yd00
May 31, 1985F429 mi1,000 yd440
May 31, 1985F317 mi800 yd08
May 31, 1985F15 mi130 yd00
May 31, 1985F428 mi440 yd00
Jun 2, 1971F329.3 mi10 yd00
Jul 15, 1970F11 mi167 yd00
This year

2026 preliminary reports not yet confirmed

Report dateLocationRating
Jun 14, 20263 S Grand ValleyNot yet rated

Preliminary reports from the Storm Prediction Center. One tornado can be reported more than once, and NOAA confirms the final record months later.

Nearby

Nearby counties

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Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025, and SPC preliminary reports for 2026. Page built October 13, 2026.