How many tornadoes has Glastonbury, CT had?
Glastonbury has had 53 tornadoes on record within 25 miles since 1950, including 4 strong to violent (EF3+) tornadoes.
When was the most recent tornado near Glastonbury?
The most recent tornado within 25 miles of Glastonbury was an EF0 on June 21, 2024.
When is tornado season in Glastonbury?
July is historically the peak month for tornadoes near Glastonbury, with 16 on record. April through June account for 16 of the 53 tornadoes on record near Glastonbury.
At a Glance
Tornadoes Since 1950
53
Within search radius
Violent (EF3+)
4
7.5% of total
Peak Month
July
16 on record
Per Year Avg
0.7
Across 76 years
Recent Tornado Activity Near Glastonbury
The last 20 years of confirmed tornadoes within 25 miles —
17 total, averaging 0.8 per year over this window.
2026
0
2025
0
2024
1
2023
0
2022
0
2021
3
2020
0
2019
1
2018
2
2017
0
2016
0
2015
0
2014
1
2013
3
2012
0
2011
0
2010
4
2009
1
2008
0
2007
1
Tornadoes by Decade
1950s
11
1960s
6
1970s
8
1980s
3
1990s
6
2000s
4
2010s
11
2020s
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
16
EF1
20
EF2
12
EF3
3
EF4
1
Unrated
1
Tornadoes by Month
Jan
0
Feb
0
Mar
0
Apr
1
May
6
Jun
9
Jul
16
Aug
10
Sep
6
Oct
4
Nov
1
Dec
0
Casualties on Record Near Glastonbury
4 fatalities have been recorded within 25 miles of Glastonbury since 1950, across 2 events. 643 injuries have been reported across all events. 1979 was the deadliest year on record near Glastonbury.
The deadliest single event was an F4 on October 3, 1979, which caused 3 fatalities along a 11.3-mile track.
Notable Tornadoes Near Glastonbury
Deadliest Tornado
F4 on October 3, 1979 — 3 fatalities, 11.3 mi path, 1,400 yd wide.
Costliest Tornado
F4 on October 3, 1979 — est. ~$275.0M (NOAA damage class, pre-1996 estimate).
Widest Tornado
F4 on October 3, 1979 — 1,400 yards wide.
Longest Path
F2 on August 21, 1951 — 43.9 mile track.
Most Recent
EF0 on June 21, 2024.
What the record shows near Glastonbury
The 1950s were the busiest decade near Glastonbury, with 11 of the 53 confirmed tornadoes within 25 miles; the 2020s have produced 4 so far. The Glastonbury record runs from the 1950s to today.
Of the tornadoes rated near Glastonbury, 36 reached EF0 or EF1 and 16 reached EF2 or stronger. The most intense on record near Glastonbury is rated EF4, of which 1 is logged. A further 1 near Glastonbury is unrated — events NOAA logged before a damage survey assigned a scale.
Across the last 20 years Glastonbury has averaged 0.8 confirmed tornadoes a year within 25 miles, 17 in total. 2010 was the busiest of them with 4, and 11 of those years passed with none at all.
Frequently Asked Questions
How many tornadoes has Glastonbury, CT had?
Since 1950, 53 tornadoes have been recorded within 25 miles of Glastonbury. Data source: NOAA Storm Prediction Center.
What was the deadliest tornado near Glastonbury?
The deadliest tornado on record within 25 miles of Glastonbury was an F4 on October 3, 1979, which caused 3 fatalities.
When is tornado season in Glastonbury?
July is historically the peak month for tornadoes near Glastonbury, with 16 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.
Has Glastonbury been hit by an EF4 or EF5 tornado?
Within 25 miles of Glastonbury, there has been 0 EF5 and 1 EF4 tornado recorded since 1950. EF4 and EF5 tornadoes are the most destructive ratings on the Enhanced Fujita scale, with winds above 166 mph.
When was the most recent tornado near Glastonbury?
The most recent tornado within 25 miles of Glastonbury was an EF0 on June 21, 2024.
How do I get tornado warnings for Glastonbury?
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