Accident, MD (ZIP 21520) has a moderate disaster history with 45 recorded events. These include 16 blizzards, 12 floods, and 12 hailstorms. Total documented property damage amounts to $2.9M. A total of 17 injuries have been reported across all events.
With 16 recorded incidents (36% of all events), blizzards are the leading natural hazard for this ZIP code. Of these, 6 (38%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for winter storm events here is 5/5 (extreme). Winter storm events have caused a combined $359K in documented property damage. The most recent recorded blizzard occurred on Feb 24, 2022.
There have been 12 recorded floods in this area, representing 27% of all disaster events. Of these, 5 (42%) 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 4/5 (severe). Flood-related events have caused a combined $157.5K in documented property damage. The most recent recorded flood occurred on Jul 11, 2019.
There have been 12 recorded hailstorms in this area, representing 27% of all disaster events. The most recent recorded hailstorm occurred on Aug 7, 2023.
Accident has experienced 3 tornadoes on record. Tornado-related events have caused a combined $1.3M in documented property damage. The most recent recorded tornado occurred on May 11, 2024.
Accident has experienced 2 severe wind events on record. Wind-related events have caused a combined $1.1M in documented property damage. The most recent recorded severe wind event occurred on Apr 19, 2025.
The most significant disaster event on record for Accident was 90 mph Thunderstorm Wind on Apr 19, 2025, which caused $1M in property damage. Another major event was EF1 Tornado (May 11, 2024), causing $1M in damages.
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Based on federal and state records, ZIP code 21520 has experienced 45 natural disaster events. The hazard types affecting this area include blizzards (16 events), floods (12 events), hailstorms (12 events), tornadoes (3 events), and severe wind events (2 events). The primary hazard is blizzards, which account for 36% of all recorded events.
Blizzards are the most frequently recorded hazard in Accident, MD, with 16 events documented. These events have caused a combined $359K in property damage.
Yes, Accident (ZIP 21520) has 12 recorded flood events. These floods have caused $157.5K in total property damage. The most recent flood on record occurred on Jul 11, 2019.
Accident has 3 recorded tornado events in the historical record. Total property damage from tornadoes in this area is $1.3M. The most recent tornado was recorded on May 11, 2024.
The most damaging natural disaster on record for ZIP code 21520 was 90 mph Thunderstorm Wind, which occurred on Apr 19, 2025. This event caused $1M in documented property damage. It was rated at severity level 2/5.
Natural disasters have caused a documented total of $2.9M in property damage in the Accident, MD area (ZIP 21520). 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 →