Hanover, PA (ZIP 17331) has experienced 58 recorded natural disaster events based on federal and state agency records. These include 35 hailstorms, 10 tornadoes, and 6 severe wind events. Total documented property damage amounts to $10.1M. A total of 5 injuries have been reported across all events.
With 35 recorded incidents (60% of all events), hailstorms are the leading natural hazard for this ZIP code. Hail-related events have caused a combined $10K in documented property damage. The most recent recorded hailstorm occurred on Mar 16, 2025.
Hanover has experienced 10 tornadoes on record. Of these, 2 (20%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for tornado-related events here is 4/5 (severe). Tornado-related events have caused a combined $4.2M in documented property damage. The most recent recorded tornado occurred on Aug 7, 2023.
Hanover has experienced 6 severe wind events on record. Wind-related events have caused a combined $5.4M in documented property damage. The most recent recorded severe wind event occurred on Aug 7, 2023.
Hanover has experienced 5 floods on record. Of these, 4 (80%) 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 $524K in documented property damage. The most recent recorded flood occurred on Sep 11, 2011.
Hanover has experienced 2 blizzards on record. Winter storm events have caused a combined $7K in documented property damage. The most recent recorded blizzard occurred on Jan 6, 2009.
The most significant disaster event on record for Hanover was 85 mph Thunderstorm Wind on Aug 7, 2023, which caused $5M in property damage. Another major event was EF3 Tornado (Apr 5, 1952), causing $2.5M in damages. EF2 Tornado on Sep 24, 2001 also caused significant damage ($900K).
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Based on federal and state records, ZIP code 17331 has experienced 58 natural disaster events. The hazard types affecting this area include hailstorms (35 events), tornadoes (10 events), severe wind events (6 events), floods (5 events), and blizzards (2 events). The primary hazard is hailstorms, which account for 60% of all recorded events.
Hailstorms are the most frequently recorded hazard in Hanover, PA, with 35 events documented. These events have caused a combined $10K in property damage.
Yes, Hanover (ZIP 17331) has 5 recorded flood events. These floods have caused $524K in total property damage. The most recent flood on record occurred on Sep 11, 2011.
Hanover has 10 recorded tornado events in the historical record. The strongest tornado recorded reached severity level 4/5 on the normalized scale. Total property damage from tornadoes in this area is $4.2M. The most recent tornado was recorded on Aug 7, 2023.
The most damaging natural disaster on record for ZIP code 17331 was 85 mph Thunderstorm Wind, which occurred on Aug 7, 2023. This event caused $5M in documented property damage. It was rated at severity level 2/5.
Natural disasters have caused a documented total of $10.1M in property damage in the Hanover, PA area (ZIP 17331). 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 →