Gwynn Oak, MD (ZIP 21207) has experienced 94 recorded natural disaster events based on federal and state agency records. These include 38 hailstorms, 19 extreme heat events, and 18 floods. Total documented property damage amounts to $61.3M. These events have resulted in 79 recorded deaths and 250 injuries.
Hailstorms represent the most common natural hazard in this area, accounting for 40% of all recorded events (38 total). One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for hail-related events here is 5/5 (extreme). Hail-related events have caused a combined $5K in documented property damage. The most recent recorded hailstorm occurred on May 3, 2025.
There have been 19 recorded extreme heat events in this area, representing 20% of all disaster events. Of these, 13 (68%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for heat-related events here is 5/5 (extreme). 72 fatalities have been attributed to extreme heat events in this area. The most recent recorded extreme heat event occurred on Aug 28, 2018.
There have been 18 recorded floods in this area, representing 19% of all disaster events. Of these, 7 (39%) 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 $45.6M in documented property damage. 3 fatalities have been attributed to floods in this area. The most recent recorded flood occurred on Sep 12, 2023.
There have been 12 recorded blizzards in this area, representing 13% of all disaster events. Of these, 4 (33%) 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 $1.7M in documented property damage. 4 fatalities have been attributed to blizzards in this area. The most recent recorded blizzard occurred on Dec 17, 2016.
Gwynn Oak has experienced 3 tornadoes on record. Tornado-related events have caused a combined $12M in documented property damage. The most recent recorded tornado occurred on May 16, 2025.
Gwynn Oak has experienced 3 severe wind events on record. Wind-related events have caused a combined $2M in documented property damage. The most recent recorded severe wind event occurred on Jul 28, 2023.
The most significant disaster event on record for Gwynn Oak was Flash Flood on Jul 30, 2016, which caused $22.4M in property damage and was linked to 2 fatalities. Another major event was Flash Flood (May 27, 2018), causing $10.5M in damages. EF1 Tornado on Jun 5, 2024 also caused significant damage ($10M).
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Based on federal and state records, ZIP code 21207 has experienced 94 natural disaster events. The hazard types affecting this area include hailstorms (38 events), extreme heat events (19 events), floods (18 events), blizzards (12 events), tornadoes (3 events), severe wind events (3 events), and extreme cold event (1 event). The primary hazard is hailstorms, which account for 40% of all recorded events.
Hailstorms are the most frequently recorded hazard in Gwynn Oak, MD, with 38 events documented. These events have caused a combined $5K in property damage.
Yes, Gwynn Oak (ZIP 21207) has 18 recorded flood events. These floods have caused $45.6M in total property damage. The most recent flood on record occurred on Sep 12, 2023.
Gwynn Oak has 3 recorded tornado events in the historical record. Total property damage from tornadoes in this area is $12M. The most recent tornado was recorded on May 16, 2025.
The most damaging natural disaster on record for ZIP code 21207 was Flash Flood, which occurred on Jul 30, 2016. This event caused $22.4M in documented property damage. It resulted in 2 reported fatalities. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $61.3M in property damage in the Gwynn Oak, MD area (ZIP 21207). 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 →