How many tornadoes has Rochester, NH had?
Rochester has had 25 tornadoes on record within 25 miles since 1950, including 1 strong to violent (EF3+) tornado.
When was the most recent tornado near Rochester?
The most recent tornado within 25 miles of Rochester was an EF0 on August 22, 2020.
When is tornado season in Rochester?
June is historically the peak month for tornadoes near Rochester, with 7 on record. April through June account for 9 of the 25 tornadoes on record near Rochester.
At a Glance
Tornadoes Since 1950
25
Within search radius
Violent (EF3+)
1
4.0% of total
Peak Month
June
7 on record
Per Year Avg
0.3
Across 76 years
Recent Tornado Activity Near Rochester
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
1
2019
0
2018
0
2017
0
2016
0
2015
0
2014
0
2013
0
2012
0
2011
0
2010
2
2009
0
2008
1
2007
0
Tornadoes by Decade
1950s
4
1960s
5
1970s
6
1980s
2
1990s
3
2000s
2
2010s
2
2020s
1
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
6
EF1
9
EF2
9
EF3
1
Tornadoes by Month
Jan
0
Feb
0
Mar
0
Apr
0
May
2
Jun
7
Jul
7
Aug
6
Sep
1
Oct
2
Nov
0
Dec
0
Casualties on Record Near Rochester
1 fatality has been recorded within 25 miles of Rochester since 1950, across 1 event. 22 injuries have been reported across all events. 2008 was the deadliest year on record near Rochester.
The deadliest single event was an EF2 on July 24, 2008, which caused 1 fatality along a 50.5-mile track.
Notable Tornadoes Near Rochester
Deadliest Tornado
EF2 on July 24, 2008 — 1 fatality, 50.5 mi path, 880 yd wide.
Costliest Tornado
F2 on June 22, 1981 — est. ~$2.8M (NOAA damage class, pre-1996 estimate).
Widest Tornado
EF2 on July 24, 2008 — 880 yards wide.
Longest Path
EF2 on July 24, 2008 — 50.5 mile track.
Most Recent
EF0 on August 22, 2020.
What the record shows near Rochester
The 1970s were the busiest decade near Rochester, with 6 of the 25 confirmed tornadoes within 25 miles; the 2020s have produced 1 so far. The Rochester record runs from the 1950s to today.
Of the tornadoes rated near Rochester, 15 reached EF0 or EF1 and 10 reached EF2 or stronger. The most intense on record near Rochester is rated EF3, of which 1 is logged.
Across the last 20 years Rochester has averaged 0.2 confirmed tornadoes a year within 25 miles, 4 in total. 2010 was the busiest of them with 2, and 17 of those years passed with none at all.
Frequently Asked Questions
How many tornadoes has Rochester, NH had?
Since 1950, 25 tornadoes have been recorded within 25 miles of Rochester. Data source: NOAA Storm Prediction Center.
What was the deadliest tornado near Rochester?
The deadliest tornado on record within 25 miles of Rochester was an EF2 on July 24, 2008, which caused 1 fatality.
When is tornado season in Rochester?
June is historically the peak month for tornadoes near Rochester, with 7 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 Rochester?
The most recent tornado within 25 miles of Rochester was an EF0 on August 22, 2020.
How do I get tornado warnings for Rochester?
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.
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