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Portland, ME Tornado History — 13 Tornadoes Since 1950

Maine · 25-mile radius · NOAA Storm Prediction Center

How many tornadoes has Portland, ME had?

Portland has had 13 tornadoes on record within 25 miles since 1950.

When was the most recent tornado near Portland?

The most recent tornado within 25 miles of Portland was an EF0 on July 1, 2017.

When is tornado season in Portland?

July is historically the peak month for tornadoes near Portland, with 8 on record. April through June account for 1 of the 13 tornadoes on record near Portland.

At a Glance

Tornadoes Since 1950
13
Within search radius
Violent (EF3+)
0
0.0% of total
Peak Month
July
8 on record
Per Year Avg
0.2
Across 76 years

Recent Tornado Activity Near Portland

The last 20 years of confirmed tornadoes within 25 miles — 4 total, averaging 0.2 per year over this window.

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

Tornadoes by Decade

1950s 2
1960s 1
1970s 3
2000s 3
2010s 4

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 7
EF1 6

Tornadoes by Month

Jan 0
Feb 0
Mar 0
Apr 0
May 0
Jun 1
Jul 8
Aug 2
Sep 0
Oct 0
Nov 2
Dec 0

Have any tornadoes near Portland been fatal?

No fatalities are on record within 25 miles of Portland from any of the 13 tornadoes since 1950, though 2 injuries have been reported, according to NOAA Storm Prediction Center records.

Notable Tornadoes Near Portland

Costliest Tornado
F1 on June 22, 1974 — est. ~$3K (NOAA damage class, pre-1996 estimate).
Widest Tornado
EF0 on July 21, 2010 — 350 yards wide.
Longest Path
F1 on July 9, 1962 — 11.3 mile track.
Most Recent
EF0 on July 1, 2017.

What the record shows near Portland

The 2010s are the busiest decade on record so far near Portland, with 4 of the 13 confirmed tornadoes within 25 miles. The Portland record runs from the 1950s to today.

Of the tornadoes rated near Portland, 13 reached EF0 or EF1 and 0 reached EF2 or stronger. The most intense on record near Portland is rated EF1, of which 6 are logged.

Across the last 20 years Portland has averaged 0.2 confirmed tornadoes a year within 25 miles, 4 in total. 2014 was the busiest of them with 2, and 17 of those years passed with none at all.

Frequently Asked Questions

How many tornadoes has Portland, ME had?
Since 1950, 13 tornadoes have been recorded within 25 miles of Portland. Data source: NOAA Storm Prediction Center.
When is tornado season in Portland?
July is historically the peak month for tornadoes near Portland, with 8 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 Portland?
The most recent tornado within 25 miles of Portland was an EF0 on July 1, 2017.
How do I get tornado warnings for Portland?
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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