ZIP code 21755, covering Jefferson, MD, has 75 natural disaster events in the historical record. These include 35 hailstorms, 12 tornadoes, and 9 floods. Total documented property damage amounts to $23.8M. These events have resulted in 4 recorded deaths and 6 injuries.
With 35 recorded incidents (47% of all events), hailstorms are the leading natural hazard for this ZIP code. Hail-related events have caused a combined $15K in documented property damage. The most recent recorded hailstorm occurred on Mar 16, 2025.
There have been 12 recorded tornadoes in this area, representing 16% of all disaster events. Tornado-related events have caused a combined $2.4M in documented property damage. The most recent recorded tornado occurred on Sep 18, 2004.
Jefferson has experienced 9 floods on record. Of these, 7 (78%) 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 $20.4M in documented property damage. The most recent recorded flood occurred on May 15, 2018.
Jefferson has experienced 7 blizzards on record. Of these, 3 (43%) 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 $290K in documented property damage. 1 fatality has been attributed to blizzards in this area. The most recent recorded blizzard occurred on Mar 16, 2007.
Jefferson has experienced 6 severe wind events on record. Wind-related events have caused a combined $540K in documented property damage. The most recent recorded severe wind event occurred on Feb 16, 2025.
Jefferson has experienced 4 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). 2 fatalities have been attributed to extreme heat events in this area. The most recent recorded extreme heat event occurred on Jul 21, 2019.
The most significant disaster event on record for Jefferson was Flood on Jan 19, 1996, which caused $15M in property damage. Another major event was Flash Flood (May 15, 2018), causing $4.6M in damages. EF1 Tornado on Aug 14, 1999 also caused significant damage ($800K).
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Based on federal and state records, ZIP code 21755 has experienced 75 natural disaster events. The hazard types affecting this area include hailstorms (35 events), tornadoes (12 events), floods (9 events), blizzards (7 events), severe wind events (6 events), extreme heat events (4 events), and extreme cold events (2 events). The primary hazard is hailstorms, which account for 47% of all recorded events.
Hailstorms are the most frequently recorded hazard in Jefferson, MD, with 35 events documented. These events have caused a combined $15K in property damage.
Yes, Jefferson (ZIP 21755) has 9 recorded flood events. These floods have caused $20.4M in total property damage. The most recent flood on record occurred on May 15, 2018.
Jefferson has 12 recorded tornado events in the historical record. The strongest tornado recorded reached severity level 3/5 on the normalized scale. Total property damage from tornadoes in this area is $2.4M. The most recent tornado was recorded on Sep 18, 2004.
The most damaging natural disaster on record for ZIP code 21755 was Flood, which occurred on Jan 19, 1996. This event caused $15M in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $23.8M in property damage in the Jefferson, MD area (ZIP 21755). 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 →