Federal records document 101 natural disaster events in the Knoxville, TN area (ZIP 37909). These include 74 hailstorms, 11 floods, and 6 tornadoes. Total documented property damage amounts to $13.3M. These events have resulted in 8 recorded deaths and 7 injuries.
Hailstorms represent the most common natural hazard in this area, accounting for 73% of all recorded events (74 total). One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for hail-related events here is 4/5 (severe). Hail-related events have caused a combined $40K in documented property damage. The most recent recorded hailstorm occurred on Sep 4, 2025.
There have been 11 recorded floods in this area, representing 11% of all disaster events. Of these, 2 (18%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for flood-related events here is 5/5 (extreme). Flood-related events have caused a combined $10.3M in documented property damage. The most recent recorded flood occurred on Jul 31, 2022.
Knoxville has experienced 6 tornadoes on record. Tornado-related events have caused a combined $2.9M in documented property damage. The most recent recorded tornado occurred on Apr 27, 2011.
Knoxville has experienced 6 severe wind events on record. Wind-related events have caused a combined $85K in documented property damage. The most recent recorded severe wind event occurred on Oct 21, 2005.
Knoxville has experienced 2 blizzards on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for winter storm events here is 5/5 (extreme). 6 fatalities have been attributed to blizzards in this area. The most recent recorded blizzard occurred on Jan 18, 2024.
Knoxville has experienced 2 extreme heat events on record. 2 fatalities have been attributed to extreme heat events in this area. The most recent recorded extreme heat event occurred on Jun 28, 1998.
The most significant disaster event on record for Knoxville was Flood on Feb 14, 2003, which caused $8.3M in property damage. Another major event was EF2 Tornado (Apr 15, 1965), causing $2.5M in damages. Flood on Feb 28, 2011 also caused significant damage ($2M).
Explore disaster history for adjacent areas
Based on federal and state records, ZIP code 37909 has experienced 101 natural disaster events. The hazard types affecting this area include hailstorms (74 events), floods (11 events), tornadoes (6 events), severe wind events (6 events), blizzards (2 events), and extreme heat events (2 events). The primary hazard is hailstorms, which account for 73% of all recorded events.
Hailstorms are the most frequently recorded hazard in Knoxville, TN, with 74 events documented. These events have caused a combined $40K in property damage.
Yes, Knoxville (ZIP 37909) has 11 recorded flood events. These floods have caused $10.3M in total property damage. The most recent flood on record occurred on Jul 31, 2022.
Knoxville has 6 recorded tornado events in the historical record. The strongest tornado recorded reached severity level 3/5 on the normalized scale. Total property damage from tornadoes in this area is $2.9M. The most recent tornado was recorded on Apr 27, 2011.
The most damaging natural disaster on record for ZIP code 37909 was Flood, which occurred on Feb 14, 2003. This event caused $8.3M in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $13.3M in property damage in the Knoxville, TN area (ZIP 37909). This figure is based on historical records from FEMA, NOAA Storm Events Database, and USGS, and covers events from the 1950s through the present. Actual damages may be higher, as not all events have complete damage assessments.
Data sourced from FEMA (disaster declarations, NFIP flood claims), NOAA Storm Events Database, USGS Earthquake Hazards Program, and NIFC wildfire records. Historical coverage varies by source, with most records beginning in the 1950s–1970s. Full methodology →