Federal records document 89 natural disaster events in the Onawa, IA area (ZIP 51040). These include 69 hailstorms, 8 floods, and 6 tornadoes. Total documented property damage amounts to $30.7M. A total of 5 injuries have been reported across all events.
Hailstorms represent the most common natural hazard in this area, accounting for 78% of all recorded events (69 total). Of these, 2 (3%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for hail-related events here is 4/5 (severe). The most recent recorded hailstorm occurred on Jun 12, 2024.
Onawa has experienced 8 floods on record. Of these, 5 (63%) 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 $30.1M in documented property damage. The most recent recorded flood occurred on Jun 24, 2024.
Onawa has experienced 6 tornadoes on record. Tornado-related events have caused a combined $550K in documented property damage. The most recent recorded tornado occurred on Apr 26, 2024.
Onawa has experienced 3 wildfires on record. The most recent recorded wildfire occurred on May 17, 2023.
Onawa has experienced 2 severe wind events on record. The most recent recorded severe wind event occurred on May 24, 2024.
Onawa has experienced 1 blizzard 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). The most recent recorded blizzard occurred on Feb 14, 2010.
The most significant disaster event on record for Onawa was Flood on Jul 16, 1996, which caused $28.5M in property damage. Another major event was Flash Flood (May 5, 2007), causing $1.4M in damages.
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Based on federal and state records, ZIP code 51040 has experienced 89 natural disaster events. The hazard types affecting this area include hailstorms (69 events), floods (8 events), tornadoes (6 events), wildfires (3 events), severe wind events (2 events), and blizzard (1 event). The primary hazard is hailstorms, which account for 78% of all recorded events.
Hailstorms are the most frequently recorded hazard in Onawa, IA, with 69 events documented.
Yes, Onawa (ZIP 51040) has 8 recorded flood events. These floods have caused $30.1M in total property damage. The most recent flood on record occurred on Jun 24, 2024.
Onawa has 6 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 $550K. The most recent tornado was recorded on Apr 26, 2024.
The most damaging natural disaster on record for ZIP code 51040 was Flood, which occurred on Jul 16, 1996. This event caused $28.5M in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $30.7M in property damage in the Onawa, IA area (ZIP 51040). 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 →