Federal records document 92 natural disaster events in the Chevy Chase, MD area (ZIP 20815). These include 54 hailstorms, 16 floods, and 8 severe wind events. Total documented property damage amounts to $46.6M. These events have resulted in 5 recorded deaths and 26 injuries.
The dominant hazard type for Chevy Chase is hailstorms, with 54 recorded events making up 59% of the area's disaster history. The most recent recorded hailstorm occurred on Sep 7, 2023.
There have been 16 recorded floods in this area, representing 17% of all disaster events. Of these, 9 (56%) 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 $2.3M in documented property damage. 3 fatalities have been attributed to floods in this area. The most recent recorded flood occurred on Sep 1, 2021.
Chevy Chase has experienced 8 severe wind events on record. Wind-related events have caused a combined $40.4M in documented property damage. The most recent recorded severe wind event occurred on Jul 29, 2023.
Chevy Chase has experienced 7 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). Winter storm events have caused a combined $460K in documented property damage. 1 fatality has been attributed to blizzards in this area. The most recent recorded blizzard occurred on Feb 5, 2010.
Chevy Chase has experienced 5 tornadoes on record. Tornado-related events have caused a combined $3.4M in documented property damage. The most recent recorded tornado occurred on Jul 1, 2021.
Chevy Chase has experienced 2 extreme heat events on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for heat-related events here is 5/5 (extreme). 1 fatality has been attributed to extreme heat events in this area. The most recent recorded extreme heat event occurred on Jun 8, 2008.
The most significant disaster event on record for Chevy Chase was 84 mph Thunderstorm Wind on Jul 29, 2023, which caused $20M in property damage. Another major event was 81 mph Thunderstorm Wind (Jul 29, 2023), causing $10M in damages. 85 mph Thunderstorm Wind on Jul 29, 2023 also caused significant damage ($10M).
Explore disaster history for adjacent areas
Based on federal and state records, ZIP code 20815 has experienced 92 natural disaster events. The hazard types affecting this area include hailstorms (54 events), floods (16 events), severe wind events (8 events), blizzards (7 events), tornadoes (5 events), and extreme heat events (2 events). The primary hazard is hailstorms, which account for 59% of all recorded events.
Hailstorms are the most frequently recorded hazard in Chevy Chase, MD, with 54 events documented.
Yes, Chevy Chase (ZIP 20815) has 16 recorded flood events. These floods have caused $2.3M in total property damage. The most recent flood on record occurred on Sep 1, 2021.
Chevy Chase has 5 recorded tornado events in the historical record. Total property damage from tornadoes in this area is $3.4M. The most recent tornado was recorded on Jul 1, 2021.
The most damaging natural disaster on record for ZIP code 20815 was 84 mph Thunderstorm Wind, which occurred on Jul 29, 2023. This event caused $20M in documented property damage. It was rated at severity level 2/5.
Natural disasters have caused a documented total of $46.6M in property damage in the Chevy Chase, MD area (ZIP 20815). 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 →