Federal records document 113 natural disaster events in the Shenandoah, IA area (ZIP 51601). These include 72 hailstorms, 26 tornadoes, and 9 severe wind events. Total documented property damage amounts to $32.2M. These events have resulted in 3 recorded deaths and 35 injuries.
With 72 recorded incidents (64% 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 4/5 (severe). The most recent recorded hailstorm occurred on Apr 17, 2025.
There have been 26 recorded tornadoes in this area, representing 23% of all disaster events. Of these, 6 (23%) 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 5/5 (extreme). Tornado-related events have caused a combined $6.8M in documented property damage. 1 fatality has been attributed to tornadoes in this area. The most recent recorded tornado occurred on Apr 17, 2025.
Shenandoah has experienced 9 severe wind events on record. 1 fatality has been attributed to severe wind events in this area. The most recent recorded severe wind event occurred on Aug 10, 2025.
Shenandoah has experienced 6 floods on record. Of these, 5 (83%) 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 $25.5M in documented property damage. 1 fatality has been attributed to floods in this area. The most recent recorded flood occurred on Mar 13, 2019.
The most significant disaster event on record for Shenandoah was Flood on Mar 13, 2019, which caused $22M in property damage and was linked to 1 fatality. Another major event was EF4 Tornado (Apr 12, 1964), causing $2.5M in damages. EF3 Tornado on Jun 19, 1964 also caused significant damage ($2.5M).
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Based on federal and state records, ZIP code 51601 has experienced 113 natural disaster events. The hazard types affecting this area include hailstorms (72 events), tornadoes (26 events), severe wind events (9 events), and floods (6 events). The primary hazard is hailstorms, which account for 64% of all recorded events.
Hailstorms are the most frequently recorded hazard in Shenandoah, IA, with 72 events documented.
Yes, Shenandoah (ZIP 51601) has 6 recorded flood events. These floods have caused $25.5M in total property damage. The most recent flood on record occurred on Mar 13, 2019.
Shenandoah has 26 recorded tornado events in the historical record. The strongest tornado recorded reached severity level 5/5 on the normalized scale. Total property damage from tornadoes in this area is $6.8M. The most recent tornado was recorded on Apr 17, 2025.
The most damaging natural disaster on record for ZIP code 51601 was Flood, which occurred on Mar 13, 2019. This event caused $22M in documented property damage. It resulted in 1 reported fatality. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $32.2M in property damage in the Shenandoah, IA area (ZIP 51601). 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 →