NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Seymour, TN
Every tropical system within 75 miles since 1851 and every tornado within 25 miles since 1950.
Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated
5 tropical systems have passed within 75 miles of Seymour, Tennessee since 1851, 0 of them at hurricane strength; the most recent was Helene in 2024. Since 1950, 41 tornadoes have touched down within 25 miles, 4 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 5
- Tornadoes
- 41
- EF3 or stronger
- 4
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
3 deaths in all
What the records show for Seymour
None of the 5 tropical systems was at hurricane strength as it passed Seymour; the strongest was Zeta in 2020, a tropical storm with 52 mph winds when its centre passed 37 miles away. The record near Seymour begins with an unnamed storm in 1901; the most recent system was Helene in 2024, a tropical storm 24 miles away. The busiest decade was the 2020s, with 2 systems. Of the 5 systems, 2 have come since 2000. Of the 339 Tennessee cities on this site, 55% have more tropical storms and hurricanes within 75 miles than Seymour. The strongest of the 41 tornadoes within 25 miles was an EF4 on April 27, 2011; its path came within 14 miles. The deadliest, an F1 on April 3, 1974, killed 2 people. Of the 41, 2 had paths within 5 miles of the city centre, and 27 have come since 2000. April has had the most tornadoes, 14. The most recent tornado was on August 7, 2023. Of the 339 Tennessee cities, 77% have more tornadoes within 25 miles than Seymour. Hail has been reported within 10 miles 39 times since 1964, with stones up to 1.75 inches (golf ball size). Of the 339 Tennessee cities, 72% have more hail reports within 10 miles than Seymour.
Compare Seymour's storm record with another city →
Tropical storms and hurricanes near Seymour
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 2024 | HeleneSep 27 | 24 mi | Tropical storm (48 mph) | Category 4 |
| 2020 | ZetaOct 29 | 37 mi | Tropical storm (52 mph) | Category 3 |
| 1932 | Unnamed 1932 stormOct 18 | 12 mi | Tropical storm (40 mph) | Tropical storm |
| 1915 | Unnamed 1915 stormOct 1 | 72 mi | Tropical storm (40 mph) | Category 4 |
| 1901 | Unnamed 1901 stormSep 28 | 73 mi | Tropical storm (39 mph) | Tropical storm |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Seymour: a hurricane's worst winds sit within a few dozen miles of its centre, and inland cities are usually past that.
Tornadoes within 25 miles of Seymour
By decade
- 2020s2
- 2010s21(2 EF3+)
- 2000s4
- 1990s6(2 EF3+)
- 1980s1
- 1970s5
- 1960s1
- 1950s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Apr 27, 2011 | EF4 | 14 mi | 14.45 mi | 0 / 0 |
| Feb 21, 1993 | F3 | 16 mi | 30 mi | 1 / 55 |
| Mar 23, 2011 | EF3 | 25 mi | 5.8 mi | 0 / 2 |
| Feb 21, 1993 | F3 | 21 mi | 16 mi | 0 / 3 |
| Aug 7, 2023 | EF2 | 20 mi | 3.7 mi | 0 / 0 |
| Apr 27, 2011 | EF2 | 14 mi | 16.9 mi | 0 / 0 |
| Apr 3, 1974 | F2 | 11 mi | 0.5 mi | 0 / 2 |
| Apr 15, 1965 | F2 | 16 mi | 7.4 mi | 0 / 6 |
| May 2, 1953 | F2 | 22 mi | 0.8 mi | 0 / 0 |
| Apr 3, 1974 | F1 | 17 mi | 1 mi | 2 / 21 |
| Jun 13, 2013 | EF1 | 23 mi | 0.5 mi | 0 / 0 |
| Jun 13, 2013 | EF1 | 19 mi | 2 mi | 0 / 0 |
The strongest 12 of 41, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Seymour
The Storm Prediction Center has 39 hail reports within 10 miles of Seymour since 1964, made on 30 separate days. Of these, 20 were 1 inch across or larger, and none reached 2 inches. The largest size, 1.75 inches (golf ball size), was reported on 3 days, most recently May 20, 2006. The most recent report is from October 21, 2025. April has the most reports, 10.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Seymour
The nearest NOAA station with 1991–2020 climate normals is Sevierville, TN, 10 miles northeast of Seymour at 899 feet. July is the warmest, with an average high of 90°F and low of 67°F; January is the coolest, at 49°F and 27°F. December is the wettest at 4.9 inches of precipitation on average and October the driest at 2.9 inches; the year adds up to 49.0 inches over 86 days with at least a tenth of an inch. Highs reach 90°F on about 53 days a year, almost all from May to September. Lows fall below freezing on about 86 nights a year. Snowfall averages 3.6 inches a year, most of it in January. That 49.0 inches is more than at 14 of the 122 Tennessee stations used on this site (11%). Walland, 9 miles southwest, has its own station (Townsend 5S, TN): 60.4 inches a year, 11.4 more than here, and a July average high of 82°F against 90°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 49 | 27 | 4.4 | 7 | 1.5 |
| Feb | 54 | 30 | 4.3 | 7 | 1.0 |
| Mar | 63 | 36 | 4.7 | 8 | 0.9 |
| Apr | 72 | 45 | 4.3 | 8 | 0.0 |
| May | 80 | 55 | 3.9 | 7 | 0.0 |
| Jun | 87 | 63 | 4.3 | 8 | 0.0 |
| Jul | 90 | 67 | 4.7 | 8 | 0.0 |
| Aug | 89 | 66 | 3.4 | 7 | 0.0 |
| Sep | 84 | 60 | 3.6 | 6 | 0.0 |
| Oct | 74 | 47 | 2.9 | 5 | 0.0 |
| Nov | 61 | 35 | 3.6 | 6 | 0.0 |
| Dec | 52 | 30 | 4.9 | 8 | 0.2 |
| Year | 71 | 47 | 49.0 | 86 | 3.6 |
Averages for 1991–2020 at Sevierville, TN (899 ft), from NOAA NCEI U.S. Climate Normals. Normals describe the station; the farther a place is from it, and the bigger the difference in height, the more its weather can differ.
Floods, thunderstorm wind and lightning near Seymour
Since 1996, the National Weather Service has logged 158 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Seymour: 130 thunderstorm wind reports, 15 flash floods and 13 floods. None is recorded as killing or injuring anyone; the NWS estimated $5.2 million in property and crop damage. The strongest thunderstorm gust on record here was 75 mph, on May 26, 2004. July has had the most flash floods, 6 of 15. Of the 339 Tennessee cities on this site with a flash flood on record, 183 have had fewer than Seymour.
February 23, 2019: flood 4 miles from the centre of Seymour — $3.6 million damage.
NWS: “Old Sevierville Road was flooded at Kingman Road as well as West Union Valley Road. 6 million dollars in damages throughout the county for the overall event.”
July 5, 2012: thunderstorm wind 10 miles from the centre of Seymour — $1.0 million damage.
Source: NOAA NCEI Storm Events Database, events whose starting point is on record, 1996 to June 30, 2026. Damage is the NWS estimate in the dollars of the year, not insured losses, and NWS notes that some reports are unverified.
Flood insurance claims, disaster declarations and FEMA risk ratings
Sevier County, which includes Seymour, has been named in 23 federal disaster or emergency declarations since 1972, 15 of them major disasters (by incident: 7 severe storms, 4 fires, 4 floods, 2 biological emergencies). The latest major disaster declaration was Severe Winter Storm, on February 6, 2026. FEMA's National Risk Index gives Sevier County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively High for lightning; Relatively Moderate for tornadoes, inland flooding and strong wind; Relatively Low for hail; Very Low for hurricanes and heat waves. It models the county's expected loss from all 18 hazards it covers at $32.1 million a year, the 20th highest of 95 Tennessee counties; of the hazards above, the largest share, $20.6 million (64%), is from inland flooding.
Claims: FEMA, OpenFEMA Dataset FIMA NFIP Redacted Claims – v3, summed over ZIP codes; payments in the dollars of each year, not adjusted for inflation. Declarations: Disaster Declarations Summaries – v2, by county. Retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
Risk ratings: FEMA, National Risk Index county table, December 2025 (v1.20), retrieved October 26, 2026; ratings compare counties nationwide, are meant for planning and are no substitute for a local risk assessment. This product uses the Federal Emergency Management Agency's National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
What counts as a pass, the distances and the sources: how this storm history is built.