Tornado History Map

Penobscot County, Maine tornado history

14 tornadoes recorded in or across Penobscot County from 1953 to 2017, coloured by rating on the map.

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Years1950 to 2025
Rating (F or EF scale)

Shows tornadoes that started in, or crossed, the chosen state. To see how many have passed near you, search a town or ZIP code, or tap the map.

Key
  • F0 / EF0 Light damage
  • F1 / EF1 Moderate damage
  • F2 / EF2 Considerable damage
  • F3 / EF3 Severe damage
  • F4 / EF4 Devastating damage
  • F5 / EF5 Incredible damage
  • Unknown Not rated (2007 onwards)

How to read the lines. Each line is one tornado, drawn from where it started to where it ended, coloured and sized by its rating. A dot means the record has no end point. Tap a line for its details, or tap anywhere else to see how many tornadoes have passed nearby. Weaker tornadoes appear as you zoom in. Ratings use the Fujita (F) scale before 1 February 2007 and the Enhanced Fujita (EF) scale from then on.

Tornadoes in Penobscot County

The Storm Prediction Center records 14 tornadoes whose paths touched Penobscot County, Maine between 1953 and 2017. None of them is recorded as having killed anyone. The busiest month is August, with 5 tornadoes. The strongest was an F2 on 30 June 1971. The most recent was on 5 August 2017.

  • 14tornadoes
  • 0deaths
  • 3injuries
  • 41per 10,000 sq mi of land

A tornado that crossed several counties counts in each one, so county counts add up to more than the state's.

How strong were the tornadoes in Penobscot County?

RatingTornadoesShare
F0 / EF0214%
F1 / EF1857%
F2 / EF2429%
F3 / EF300%
F4 / EF400%
F5 / EF500%
Unknown rating00%

Penobscot County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 5 in 1950s.1950s51970s41990s22000s12010s2

The 2010s only run to 2017, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1950s5
1970s4
1990s2
2000s1
2010s2
Tornadoes by month
Bar chart of tornadoes by period. The most is 5 in Aug.Jan0Feb0Mar0Apr0May0Jun4Jul2Aug5Sep0Oct1Nov2Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr0
May0
Jun4
Jul2
Aug5
Sep0
Oct1
Nov2
Dec0

Records for Penobscot County

  • Strongest: Maine tornado30 June 1971, F2, 13.3 miles long
  • Longest path: Maine tornado24 July 2001, F1, 1 injury, 16 miles long
  • Most recent: Maine tornado5 August 2017, EF1, 2.5 miles long

Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.

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