Federal records document 73 natural disaster events in the Chattanooga, TN area (ZIP 37402). These include 37 hailstorms, 25 floods, and 7 tornadoes. Total documented property damage amounts to $62.1M. These events have resulted in 3 recorded deaths and 44 injuries.
With 37 recorded incidents (51% of all events), hailstorms are the leading natural hazard for this ZIP code. The most recent recorded hailstorm occurred on May 8, 2025.
There have been 25 recorded floods in this area, representing 34% of all disaster events. Of these, 15 (60%) 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 $15.7M in documented property damage. The most recent recorded flood occurred on Aug 12, 2025.
Chattanooga has experienced 7 tornadoes on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for tornado-related events here is 4/5 (severe). Tornado-related events have caused a combined $46.4M in documented property damage. The most recent recorded tornado occurred on Apr 27, 2011.
Chattanooga has experienced 2 severe wind events on record. Wind-related events have caused a combined $10K in documented property damage. The most recent recorded severe wind event occurred on Jun 7, 2025.
Chattanooga has experienced 1 blizzard on record. 2 fatalities have been attributed to blizzards in this area. The most recent recorded blizzard occurred on Jan 14, 2024.
Chattanooga has experienced 1 extreme cold event on record. 1 fatality has been attributed to extreme cold events in this area. The most recent recorded extreme cold event occurred on Feb 16, 2015.
The most significant disaster event on record for Chattanooga was EF3 Tornado on Mar 29, 1997, which caused $45M in property damage. Another major event was Flood (Sep 21, 2009), causing $5.8M in damages. Debris Flow on Feb 6, 2020 also caused significant damage ($2.5M).
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Based on federal and state records, ZIP code 37402 has experienced 73 natural disaster events. The hazard types affecting this area include hailstorms (37 events), floods (25 events), tornadoes (7 events), severe wind events (2 events), blizzard (1 event), and extreme cold event (1 event). The primary hazard is hailstorms, which account for 51% of all recorded events.
Hailstorms are the most frequently recorded hazard in Chattanooga, TN, with 37 events documented.
Yes, Chattanooga (ZIP 37402) has 25 recorded flood events. These floods have caused $15.7M in total property damage. The most recent flood on record occurred on Aug 12, 2025.
Chattanooga has 7 recorded tornado events in the historical record. The strongest tornado recorded reached severity level 4/5 on the normalized scale. Total property damage from tornadoes in this area is $46.4M. The most recent tornado was recorded on Apr 27, 2011.
The most damaging natural disaster on record for ZIP code 37402 was EF3 Tornado, which occurred on Mar 29, 1997. This event caused $45M in documented property damage. It was rated at severity level 4/5.
Natural disasters have caused a documented total of $62.1M in property damage in the Chattanooga, TN area (ZIP 37402). 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 →