Government agency data shows 37 natural disaster events for ZIP 21244 in Gwynn Oak, MD. These include 25 hailstorms, 10 floods, and 2 severe wind events. Total documented property damage amounts to $46.5M. Across all recorded events, 3 deaths have been attributed to natural disasters in this area.
With 25 recorded incidents (68% of all events), hailstorms are the leading natural hazard for this ZIP code. 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 $10K in documented property damage. The most recent recorded hailstorm occurred on May 3, 2025.
Gwynn Oak has experienced 10 floods on record. Of these, 4 (40%) 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 $44.5M in documented property damage. 3 fatalities have been attributed to floods in this area. The most recent recorded flood occurred on Jul 24, 2020.
Gwynn Oak has experienced 2 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. Flash Flood on May 27, 2018 also caused significant damage ($8.6M).
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Based on federal and state records, ZIP code 21244 has experienced 37 natural disaster events. The hazard types affecting this area include hailstorms (25 events), floods (10 events), and severe wind events (2 events). The primary hazard is hailstorms, which account for 68% of all recorded events.
Hailstorms are the most frequently recorded hazard in Gwynn Oak, MD, with 25 events documented. These events have caused a combined $10K in property damage.
Yes, Gwynn Oak (ZIP 21244) has 10 recorded flood events. These floods have caused $44.5M in total property damage. The most recent flood on record occurred on Jul 24, 2020.
The most damaging natural disaster on record for ZIP code 21244 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 $46.5M in property damage in the Gwynn Oak, MD area (ZIP 21244). 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 →