ZIP code 20783, covering Adelphi, MD, has 96 natural disaster events in the historical record. These include 60 hailstorms, 12 severe wind events, and 11 floods. Total documented property damage amounts to $105.7M. These events have resulted in 6 recorded deaths and 77 injuries.
With 60 recorded incidents (63% of all events), hailstorms are the leading natural hazard for this ZIP code. The most recent recorded hailstorm occurred on Jul 1, 2021.
There have been 12 recorded severe wind events in this area, representing 13% of all disaster events. Wind-related events have caused a combined $1.9M in documented property damage. The most recent recorded severe wind event occurred on Jul 12, 2022.
There have been 11 recorded floods in this area, representing 11% of all disaster events. Of these, 8 (73%) 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 $820K in documented property damage. 2 fatalities have been attributed to floods in this area. The most recent recorded flood occurred on Sep 10, 2020.
Adelphi 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.
Adelphi has experienced 4 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 $102.5M in documented property damage. 2 fatalities have been attributed to tornadoes in this area. The most recent recorded tornado occurred on Apr 20, 2008.
Adelphi 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 Adelphi was EF3 Tornado on Sep 24, 2001, which caused $100M in property damage and was linked to 2 fatalities. Another major event was EF1 Tornado (Oct 18, 1990), causing $2.5M in damages. 92 mph Thunderstorm Wind on Jul 12, 2022 also caused significant damage ($1.5M).
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Based on federal and state records, ZIP code 20783 has experienced 96 natural disaster events. The hazard types affecting this area include hailstorms (60 events), severe wind events (12 events), floods (11 events), blizzards (7 events), tornadoes (4 events), and extreme heat events (2 events). The primary hazard is hailstorms, which account for 63% of all recorded events.
Hailstorms are the most frequently recorded hazard in Adelphi, MD, with 60 events documented.
Yes, Adelphi (ZIP 20783) has 11 recorded flood events. These floods have caused $820K in total property damage. The most recent flood on record occurred on Sep 10, 2020.
Adelphi has 4 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 $102.5M. The most recent tornado was recorded on Apr 20, 2008.
The most damaging natural disaster on record for ZIP code 20783 was EF3 Tornado, which occurred on Sep 24, 2001. This event caused $100M in documented property damage. It resulted in 2 reported fatalities. It was rated at severity level 4/5.
Natural disasters have caused a documented total of $105.7M in property damage in the Adelphi, MD area (ZIP 20783). 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 →