Callaway, MD (ZIP 20620) has a moderate disaster history with 38 recorded events. These include 23 hailstorms, 4 floods, and 4 tornadoes. Total documented property damage amounts to $472.5K. Across all recorded events, 2 deaths have been attributed to natural disasters in this area.
With 23 recorded incidents (61% of all events), hailstorms are the leading natural hazard for this ZIP code. Hail-related events have caused a combined $5K in documented property damage. The most recent recorded hailstorm occurred on May 22, 2025.
Callaway has experienced 4 floods on record. Of these, 2 (50%) 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 $315K in documented property damage. The most recent recorded flood occurred on Jun 9, 2021.
Callaway has experienced 4 tornadoes on record. Tornado-related events have caused a combined $135K in documented property damage. The most recent recorded tornado occurred on Jul 14, 2004.
Callaway has experienced 3 severe wind events on record. The most recent recorded severe wind event occurred on Jul 8, 2025.
Callaway has experienced 2 blizzards on record. Winter storm events have caused a combined $15K in documented property damage. The most recent recorded blizzard occurred on Feb 5, 2010.
Callaway 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 Callaway was Coastal Flood on Feb 4, 1998, which caused $250K in property damage.
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Based on federal and state records, ZIP code 20620 has experienced 38 natural disaster events. The hazard types affecting this area include hailstorms (23 events), floods (4 events), tornadoes (4 events), severe wind events (3 events), blizzards (2 events), extreme cold event (1 event), and extreme heat event (1 event). The primary hazard is hailstorms, which account for 61% of all recorded events.
Hailstorms are the most frequently recorded hazard in Callaway, MD, with 23 events documented. These events have caused a combined $5K in property damage.
Yes, Callaway (ZIP 20620) has 4 recorded flood events. These floods have caused $315K in total property damage. The most recent flood on record occurred on Jun 9, 2021.
Callaway has 4 recorded tornado events in the historical record. Total property damage from tornadoes in this area is $135K. The most recent tornado was recorded on Jul 14, 2004.
The most damaging natural disaster on record for ZIP code 20620 was Coastal Flood, which occurred on Feb 4, 1998. This event caused $250K in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $472.5K in property damage in the Callaway, MD area (ZIP 20620). 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 →