ZIP code 51020, covering Galva, IA, has 76 natural disaster events in the historical record. These include 52 hailstorms, 11 floods, and 8 tornadoes. Total documented property damage amounts to $31M.
With 52 recorded incidents (68% of all events), hailstorms are the leading natural hazard for this ZIP code. Hail-related events have caused a combined $134K in documented property damage. The most recent recorded hailstorm occurred on Aug 15, 2025.
There have been 11 recorded floods in this area, representing 14% of all disaster events. Of these, 9 (82%) 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 $27.5M in documented property damage. The most recent recorded flood occurred on Jun 21, 2024.
Galva has experienced 8 tornadoes on record. Tornado-related events have caused a combined $3.4M in documented property damage. The most recent recorded tornado occurred on Dec 15, 2021.
Galva has experienced 3 severe wind events on record. Wind-related events have caused a combined $30K in documented property damage. The most recent recorded severe wind event occurred on Aug 20, 2019.
Galva 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 4/5 (severe). Winter storm events have caused a combined $32.7K in documented property damage. The most recent recorded blizzard occurred on Nov 10, 1998.
The most significant disaster event on record for Galva was Flood on Jun 12, 2010, which caused $20M in property damage. Another major event was Flood (Jun 21, 2024), causing $2.4M in damages. Flood on Mar 13, 2019 also caused significant damage ($1.6M).
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Based on federal and state records, ZIP code 51020 has experienced 76 natural disaster events. The hazard types affecting this area include hailstorms (52 events), floods (11 events), tornadoes (8 events), severe wind events (3 events), and blizzards (2 events). The primary hazard is hailstorms, which account for 68% of all recorded events.
Hailstorms are the most frequently recorded hazard in Galva, IA, with 52 events documented. These events have caused a combined $134K in property damage.
Yes, Galva (ZIP 51020) has 11 recorded flood events. These floods have caused $27.5M in total property damage. The most recent flood on record occurred on Jun 21, 2024.
Galva has 8 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 $3.4M. The most recent tornado was recorded on Dec 15, 2021.
The most damaging natural disaster on record for ZIP code 51020 was Flood, which occurred on Jun 12, 2010. This event caused $20M in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $31M in property damage in the Galva, IA area (ZIP 51020). 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 →