ZIP code 50066, covering Dawson, IA, has 154 natural disaster events in the historical record. These include 54 floods, 48 blizzards, and 32 hailstorms. Total documented property damage amounts to $43.7M.
The dominant hazard type for Dawson is floods, with 54 recorded events making up 35% of the area's disaster history. Of these, 38 (70%) 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 $28.1M in documented property damage. The most recent recorded flood occurred on Sep 7, 2015.
There have been 48 recorded blizzards in this area, representing 31% of all disaster events. Of these, 25 (52%) 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 $9.2M in documented property damage. The most recent recorded blizzard occurred on Feb 1, 2015.
There have been 32 recorded hailstorms in this area, representing 21% of all disaster events. Hail-related events have caused a combined $206K in documented property damage. The most recent recorded hailstorm occurred on Sep 3, 2025.
There have been 12 recorded severe wind events in this area, representing 8% of all disaster events. Wind-related events have caused a combined $1.1M in documented property damage. The most recent recorded severe wind event occurred on Aug 10, 2020.
Dawson has experienced 4 tornadoes on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for tornado-related events here is 4/5 (severe). Tornado-related events have caused a combined $550K in documented property damage. The most recent recorded tornado occurred on Jun 28, 1979.
Dawson 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.
The most significant disaster event on record for Dawson was Flood on Jun 12, 2010, which caused $20M in property damage. Another major event was Heavy Snow (Oct 26, 1997), causing $6.2M in damages. Frost/Freeze on Oct 10, 2009 also caused significant damage ($2.5M).
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Based on federal and state records, ZIP code 50066 has experienced 154 natural disaster events. The hazard types affecting this area include floods (54 events), blizzards (48 events), hailstorms (32 events), severe wind events (12 events), tornadoes (4 events), extreme cold events (3 events), and extreme heat event (1 event). The primary hazard is floods, which account for 35% of all recorded events.
Floods are the most frequently recorded hazard in Dawson, IA, with 54 events documented. These events have caused a combined $28.1M in property damage.
Yes, Dawson (ZIP 50066) has 54 recorded flood events. These floods have caused $28.1M in total property damage. The most recent flood on record occurred on Sep 7, 2015.
Dawson has 4 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 $550K. The most recent tornado was recorded on Jun 28, 1979.
The most damaging natural disaster on record for ZIP code 50066 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 $43.7M in property damage in the Dawson, IA area (ZIP 50066). 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 →