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20659 Mechanicsville, MD — Natural Disaster History

📊 Disaster Profile: Mechanicsville, MD (20659)

Federal records document 71 natural disaster events in the Mechanicsville, MD area (ZIP 20659). These include 39 hailstorms, 11 severe wind events, and 10 tornadoes. Total documented property damage amounts to $19.1M. These events have resulted in 4 recorded deaths and 159 injuries.

⛈️ Hailstorms — Most Frequent Hazard

With 39 recorded incidents (55% of all events), hailstorms are the leading natural hazard for this ZIP code. Hail-related events have caused a combined $104K in documented property damage. The most recent recorded hailstorm occurred on May 22, 2025.

💨 Severe wind events

There have been 11 recorded severe wind events in this area, representing 15% of all disaster events. Wind-related events have caused a combined $5.5M in documented property damage. The most recent recorded severe wind event occurred on Jun 30, 2024.

🌪️ Tornadoes

Mechanicsville has experienced 10 tornadoes on record. Tornado-related events have caused a combined $13.1M in documented property damage. 2 fatalities have been attributed to tornadoes in this area. The most recent recorded tornado occurred on May 27, 2022.

🌊 Floods

Mechanicsville has experienced 6 floods on record. Of these, 3 (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 $395K in documented property damage. The most recent recorded flood occurred on Aug 4, 2020.

❄️ Blizzards

Mechanicsville has experienced 2 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 $10K in documented property damage. 1 fatality has been attributed to blizzards in this area. The most recent recorded blizzard occurred on Dec 4, 2003.

🥵 Extreme heat events

Mechanicsville 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 Jul 18, 2006.

Notable Events

The most significant disaster event on record for Mechanicsville was EF2 Tornado on Apr 28, 2002, which caused $10M in property damage and was linked to 2 fatalities. Another major event was 81 mph Thunderstorm Wind (Jul 29, 2023), causing $5M in damages. EF1 Tornado on May 8, 1984 also caused significant damage ($2.5M).

📍 Nearby ZIP Codes

Explore disaster history for adjacent areas

Frequently Asked Questions

What natural disasters have occurred in Mechanicsville, MD (20659)?

Based on federal and state records, ZIP code 20659 has experienced 71 natural disaster events. The hazard types affecting this area include hailstorms (39 events), severe wind events (11 events), tornadoes (10 events), floods (6 events), blizzards (2 events), extreme heat events (2 events), and extreme cold event (1 event). The primary hazard is hailstorms, which account for 55% of all recorded events.

What is the most common natural hazard in ZIP code 20659?

Hailstorms are the most frequently recorded hazard in Mechanicsville, MD, with 39 events documented. These events have caused a combined $104K in property damage.

Is ZIP code 20659 (Mechanicsville) prone to flooding?

Yes, Mechanicsville (ZIP 20659) has 6 recorded flood events. These floods have caused $395K in total property damage. The most recent flood on record occurred on Aug 4, 2020.

Has Mechanicsville (20659) ever been hit by a tornado?

Mechanicsville has 10 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 $13.1M. The most recent tornado was recorded on May 27, 2022.

What was the worst natural disaster in Mechanicsville, MD?

The most damaging natural disaster on record for ZIP code 20659 was EF2 Tornado, which occurred on Apr 28, 2002. This event caused $10M in documented property damage. It resulted in 2 reported fatalities. It was rated at severity level 3/5.

How much property damage have natural disasters caused in ZIP code 20659?

Natural disasters have caused a documented total of $19.1M in property damage in the Mechanicsville, MD area (ZIP 20659). 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 →

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