Norwalk, IA (ZIP 50211) sits in one of the more disaster-active areas in the region, with 390 natural disaster events on record. These include 154 floods, 144 hailstorms, and 38 blizzards. Total documented property damage amounts to $164.7M. A total of 4 injuries have been reported across all events.
With 154 recorded incidents (39% of all events), floods are the leading natural hazard for this ZIP code. Of these, 107 (69%) 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 $38.1M in documented property damage. The most recent recorded flood occurred on Jun 22, 2019.
Hailstorms account for 37% of the disaster record here, with 144 events documented. Of these, 2 (1%) 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). Hail-related events have caused a combined $11.4M in documented property damage. The most recent recorded hailstorm occurred on May 19, 2025.
There have been 38 recorded blizzards in this area, representing 10% of all disaster events. Of these, 22 (58%) 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 $7.7M in documented property damage. The most recent recorded blizzard occurred on Feb 1, 2015.
There have been 29 recorded severe wind events in this area, representing 7% of all disaster events. Wind-related events have caused a combined $1.3M in documented property damage. The most recent recorded severe wind event occurred on Aug 10, 2020.
There have been 21 recorded tornadoes in this area, representing 5% of all disaster events. Tornado-related events have caused a combined $101.8M in documented property damage. The most recent recorded tornado occurred on Apr 26, 2024.
Norwalk 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 Norwalk was EF2 Tornado on Mar 5, 2022, which caused $75M in property damage. Another major event was EF2 Tornado (Mar 5, 2022), causing $20M in damages. Flood on Jun 12, 2010 also caused significant damage ($20M).
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Based on federal and state records, ZIP code 50211 has experienced 390 natural disaster events. The hazard types affecting this area include floods (154 events), hailstorms (144 events), blizzards (38 events), severe wind events (29 events), tornadoes (21 events), extreme cold events (3 events), and extreme heat event (1 event). The primary hazard is floods, which account for 39% of all recorded events.
Floods are the most frequently recorded hazard in Norwalk, IA, with 154 events documented. These events have caused a combined $38.1M in property damage.
Yes, Norwalk (ZIP 50211) has 154 recorded flood events. These floods have caused $38.1M in total property damage. The most recent flood on record occurred on Jun 22, 2019.
Norwalk has 21 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 $101.8M. The most recent tornado was recorded on Apr 26, 2024.
The most damaging natural disaster on record for ZIP code 50211 was EF2 Tornado, which occurred on Mar 5, 2022. This event caused $75M in documented property damage. It was rated at severity level 3/5.
Natural disasters have caused a documented total of $164.7M in property damage in the Norwalk, IA area (ZIP 50211). 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 →