Nanjemoy, MD (ZIP 20662) has a moderate disaster history with 34 recorded events. These include 19 hailstorms, 6 tornadoes, and 4 severe wind events. Total documented property damage amounts to $116.6M. These events have resulted in 2 recorded deaths and 134 injuries.
With 19 recorded incidents (56% of all events), hailstorms are the leading natural hazard for this ZIP code. The most recent recorded hailstorm occurred on May 5, 2025.
Nanjemoy has experienced 6 tornadoes on record. Of these, 3 (50%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for tornado-related events here is 5/5 (extreme). Tornado-related events have caused a combined $116.3M in documented property damage. 2 fatalities have been attributed to tornadoes in this area. The most recent recorded tornado occurred on Sep 8, 2004.
Nanjemoy has experienced 4 severe wind events on record. Wind-related events have caused a combined $8K in documented property damage. The most recent recorded severe wind event occurred on Mar 1, 2017.
Nanjemoy has experienced 3 floods on record. Of these, 3 (100%) 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 $250K in documented property damage. The most recent recorded flood occurred on Jul 23, 2020.
Nanjemoy has experienced 1 blizzard on record. Winter storm events have caused a combined $5K in documented property damage. The most recent recorded blizzard occurred on Feb 5, 2010.
Nanjemoy has experienced 1 extreme cold event on record. Cold-related events have caused a combined $2.5K in documented property damage. The most recent recorded extreme cold event occurred on Mar 11, 1998.
The most significant disaster event on record for Nanjemoy was EF4 Tornado on Apr 28, 2002, which caused $114M in property damage and was linked to 1 fatality. Another major event was EF4 Tornado (Sep 24, 2001), causing $2M in damages.
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Based on federal and state records, ZIP code 20662 has experienced 34 natural disaster events. The hazard types affecting this area include hailstorms (19 events), tornadoes (6 events), severe wind events (4 events), floods (3 events), blizzard (1 event), and extreme cold event (1 event). The primary hazard is hailstorms, which account for 56% of all recorded events.
Hailstorms are the most frequently recorded hazard in Nanjemoy, MD, with 19 events documented.
Yes, Nanjemoy (ZIP 20662) has 3 recorded flood events. These floods have caused $250K in total property damage. The most recent flood on record occurred on Jul 23, 2020.
Nanjemoy has 6 recorded tornado events in the historical record. The strongest tornado recorded reached severity level 5/5 on the normalized scale. Total property damage from tornadoes in this area is $116.3M. The most recent tornado was recorded on Sep 8, 2004.
The most damaging natural disaster on record for ZIP code 20662 was EF4 Tornado, which occurred on Apr 28, 2002. This event caused $114M in documented property damage. It resulted in 1 reported fatality. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $116.6M in property damage in the Nanjemoy, MD area (ZIP 20662). 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 →