East Norwalk, CT Tornado History — 25 Tornadoes Since 1950
How many tornadoes has East Norwalk, CT had?
East Norwalk has had 25 tornadoes on record within 25 miles since 1950.
When was the most recent tornado near East Norwalk?
The most recent tornado within 25 miles of East Norwalk was an EF0 on August 4, 2020.
When is tornado season in East Norwalk?
August is historically the peak month for tornadoes near East Norwalk, with 8 on record. Spring through early summer (April–June) generally sees the highest activity across most of the central and southern United States.
At a Glance
Recent Tornado Activity Near East Norwalk
The last 20 years of confirmed tornadoes within 25 miles — 9 total, averaging 0.5 per year over this window.
Preliminary tornado reports near East Norwalk since December 29, 2025
These is a preliminary report, not confirmed tornadoes. It has not yet been through an NWS damage survey, and is not counted in the confirmed totals above.
Preliminary reports are revised, merged, and sometimes withdrawn — historically about 23% are consolidated downward once surveys complete. Ratings are omitted until a survey assigns one.
Confirmed records above are complete through December 29, 2025. NOAA publishes the confirmed archive annually, so tornadoes after that date appear here first and move into the totals above once finalized.
Within 25 miles of East Norwalk. Source: NOAA Storm Prediction Center preliminary storm reports, updated daily.
Tornadoes by Decade
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.
Tornadoes by Month
Casualties on Record Near East Norwalk
1 fatality has been recorded within 25 miles of East Norwalk since 1950, across 1 event. 19 injuries have been reported across all events. 1991 was the deadliest year on record.
The deadliest single event was a F0 on June 12, 1991, which caused 1 fatality along a 0.7-mile track.
Notable Tornadoes Near East Norwalk
About Tornadoes in East Norwalk
This overview was written April 23, 2026. The tornado counts and notable-event figures elsewhere on this page reflect the latest data and may differ from this summary.
East Norwalk, Connecticut, sits in a region where tornadoes occur with moderate frequency but typically remain weak. According to NOAA Storm Prediction Center records, 24 tornadoes have been documented within 25 miles of the city since 1950. The majority of these events have been rated EF0 or EF1 on the Enhanced Fujita scale, which classifies tornado intensity based on damage to structures and vegetation. Only three tornadoes reached EF2 strength, while none have exceeded that rating in the historical record.
Tornado activity in the East Norwalk area has varied considerably by decade. The 1990s saw the highest concentration with seven recorded events, followed by five in the 2010s and four each in the 1970s and 2000s. Earlier decades showed less activity, with two tornadoes in the 1950s and one in the 1960s. July has been the peak month for tornado occurrence, accounting for seven events, though tornadoes have struck during various times of the year including spring, summer, and fall months.
The deadliest tornado on record was an F0-rated event on June 12, 1991, which resulted in one fatality despite causing only $27,500 in property damage along a 0.7-mile path. The costliest tornado occurred on June 24, 2010, when an EF1 tornado caused $3.2 million in damage over a brief 0.2-mile track. The widest tornado, measuring 300 yards across, touched down on October 2, 2018, traveling 4.3 miles as an EF1 and causing $50,000 in damage. The longest-tracked tornado was an F0 on September 3, 1992, which traveled 12 miles but caused no reported damage.
The most recent tornado in the area was an EF0 that touched down on August 4, 2020, causing $15,000 in damage. While tornadoes in southern New England tend to be less frequent and intense than those in the central United States, the historical record demonstrates that East Norwalk and surrounding communities remain vulnerable to these weather events, particularly during the summer months when atmospheric conditions can support rotating thunderstorms.