ZIP code 50591, covering Thor, IA, has 131 natural disaster events in the historical record. These include 44 blizzards, 40 hailstorms, and 36 floods. Total documented property damage amounts to $30.6M. These events have resulted in 1 recorded death and 2 injuries.
The dominant hazard type for Thor is blizzards, with 44 recorded events making up 34% of the area's disaster history. Of these, 22 (50%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for winter storm events here is 5/5 (extreme). Winter storm events have caused a combined $1.9M in documented property damage. The most recent recorded blizzard occurred on Feb 1, 2015.
There have been 40 recorded hailstorms in this area, representing 31% of all disaster events. Hail-related events have caused a combined $530K in documented property damage. The most recent recorded hailstorm occurred on Sep 22, 2025.
There have been 36 recorded floods in this area, representing 27% of all disaster events. Of these, 27 (75%) 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 $23.4M in documented property damage. 1 fatality has been attributed to floods in this area. The most recent recorded flood occurred on Jun 22, 2024.
Thor has experienced 4 tornadoes on record. Tornado-related events have caused a combined $75K in documented property damage. The most recent recorded tornado occurred on Jun 16, 1984.
Thor has experienced 3 extreme cold events on record. Of these, 3 (100%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for cold-related events here is 5/5 (extreme). Cold-related events have caused a combined $4.3M in documented property damage. The most recent recorded extreme cold event occurred on Apr 11, 2012.
Thor has experienced 3 severe wind events on record. Wind-related events have caused a combined $222.6K in documented property damage. The most recent recorded severe wind event occurred on Jun 22, 2015.
The most significant disaster event on record for Thor was Flood on Jun 12, 2010, which caused $20M in property damage. Another major event was Frost/Freeze (Oct 10, 2009), causing $2.5M in damages. Frost/Freeze on Apr 11, 2012 also caused significant damage ($1.5M).
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Based on federal and state records, ZIP code 50591 has experienced 131 natural disaster events. The hazard types affecting this area include blizzards (44 events), hailstorms (40 events), floods (36 events), tornadoes (4 events), extreme cold events (3 events), severe wind events (3 events), and extreme heat event (1 event). The primary hazard is blizzards, which account for 34% of all recorded events.
Blizzards are the most frequently recorded hazard in Thor, IA, with 44 events documented. These events have caused a combined $1.9M in property damage.
Yes, Thor (ZIP 50591) has 36 recorded flood events. These floods have caused $23.4M in total property damage. The most recent flood on record occurred on Jun 22, 2024.
Thor has 4 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 $75K. The most recent tornado was recorded on Jun 16, 1984.
The most damaging natural disaster on record for ZIP code 50591 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 $30.6M in property damage in the Thor, IA area (ZIP 50591). 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 →