Tornado History
Iosco Tornado History
This county-level tornado history page focuses on Iosco, Michigan. The records below identify 14 tornadoes from 1953 through 2014, including a highest listed rating of F3 (Severe damage). NOAA damage estimates in this group total at least $5.8M, with 4 deaths and 13 injuries recorded across the listed events.
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Key Tornado Statistics
Key Tornado Facts for Iosco, Michigan
Top local patterns from the historical tornado records in this group.
Average 0.2 tornadoes per year (0.0/yr in last decade)
June is the peak tornado month with 6 recorded events
Deadliest tornado: F2 in Iosco, Michigan with 4 deaths
1977 was the most active year with 2 tornadoes
The 1980s had the most tornado activity (4 events)
Longest tornado: 16.6 miles in Iosco, Michigan
Widest tornado: 833.0 yards in Iosco, Michigan
Most tornadoes in one day: 2 on Mar 27, 1991
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Iosco, Michigan, June is the most active month with 6 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 1977 was the most active year with 2 recorded tornadoes.
Property Damage Trends
Visualizes reported property damage over time. Bars use a log-like scale so very large damage years do not flatten the rest of the chart.
Summary: The highest reported property damage year in this group is 1991 with at least $5.0M in NOAA-listed property damage.
Historical Track Sketch
This map covers the wider location—not your exact property.Measure the closest recorded track to a street address in or near Iosco, Michigan.
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Notable Tornado Records
The table highlights the strongest and most damaging records in this page's local dataset. Damage totals are NOAA-reported minimum estimates where available.
| Date | Rating | Area | Length | Width | Deaths | Injuries | Min. property damage |
|---|---|---|---|---|---|---|---|
| March 27, 1991 | F3 | Iosco, Michigan | 10 mi | 100 yd | 0 | 0 | $2.5M |
| March 27, 1991 | F3 | Iosco, Michigan | 4 mi | 100 yd | 0 | 0 | $2.5M |
| June 8, 1953 | F2 | Iosco, Michigan | 16.6 mi | 833 yd | 4 | 13 | $250K |
| June 20, 1982 | F1 | Iosco, Michigan | 2 mi | 70 yd | 0 | 0 | $250K |
| June 17, 2014 | EF1 | Iosco, Michigan | 1.58 mi | 100 yd | 0 | 0 | $140K |
| March 30, 1976 | F1 | Iosco, Michigan | 2.5 mi | 83 yd | 0 | 0 | $25K |
| August 5, 1977 | F1 | Iosco, Michigan | 3.3 mi | 70 yd | 0 | 0 | $25K |
| August 31, 1977 | F1 | Iosco, Michigan | 1.9 mi | 100 yd | 0 | 0 | $25K |
| June 29, 1981 | F1 | Iosco, Michigan | 5.6 mi | 33 yd | 0 | 0 | $25K |
| May 28, 1995 | F1 | Iosco, Michigan | 0.6 mi | 10 yd | 0 | 0 | $5K |
| June 17, 1992 | F1 | Iosco, Michigan | 1 mi | 20 yd | 0 | 0 | N/A |
| August 7, 2011 | EF0 | Iosco, Michigan | 0.18 mi | 50 yd | 0 | 0 | $75K |
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Source And Limits
Data sourced from NOAA Storm Prediction Center and the NCEI Storm Events Database. TornadoTrace summarizes reported weather events for screening and research; it is not a damage assessment, inspection, or insurance determination. Coordinates and records can be approximate, incomplete, revised, or missing. No warranty of completeness or accuracy.