Portsmouth, IA (ZIP 51565) has a moderate disaster history with 44 recorded events. These include 32 hailstorms, 5 tornadoes, and 5 severe wind events. Total documented property damage amounts to $7.4M.
The dominant hazard type for Portsmouth is hailstorms, with 32 recorded events making up 73% of the area's disaster history. Hail-related events have caused a combined $30K in documented property damage. The most recent recorded hailstorm occurred on May 18, 2022.
Portsmouth has experienced 5 tornadoes on record. Tornado-related events have caused a combined $5.3M in documented property damage. The most recent recorded tornado occurred on Jul 12, 2023.
Portsmouth has experienced 5 severe wind events on record. Wind-related events have caused a combined $395K in documented property damage. The most recent recorded severe wind event occurred on May 15, 1998.
Portsmouth 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). Winter storm events have caused a combined $1.6M in documented property damage. The most recent recorded blizzard occurred on Oct 25, 1997.
Portsmouth has experienced 1 flood on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for flood-related events here is 4/5 (severe). Flood-related events have caused a combined $50K in documented property damage. The most recent recorded flood occurred on Jun 30, 2014.
The most significant disaster event on record for Portsmouth was EF1 Tornado on Sep 7, 1989, which caused $2.5M in property damage. Another major event was EF1 Tornado (May 26, 1987), causing $2.5M in damages. Heavy Snow on Oct 25, 1997 also caused significant damage ($1.6M).
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Based on federal and state records, ZIP code 51565 has experienced 44 natural disaster events. The hazard types affecting this area include hailstorms (32 events), tornadoes (5 events), severe wind events (5 events), blizzard (1 event), and flood (1 event). The primary hazard is hailstorms, which account for 73% of all recorded events.
Hailstorms are the most frequently recorded hazard in Portsmouth, IA, with 32 events documented. These events have caused a combined $30K in property damage.
Yes, Portsmouth (ZIP 51565) has 1 recorded flood event. These floods have caused $50K in total property damage. The most recent flood on record occurred on Jun 30, 2014.
Portsmouth has 5 recorded tornado events in the historical record. Total property damage from tornadoes in this area is $5.3M. The most recent tornado was recorded on Jul 12, 2023.
The most damaging natural disaster on record for ZIP code 51565 was EF1 Tornado, which occurred on Sep 7, 1989. This event caused $2.5M in documented property damage. It was rated at severity level 2/5.
Natural disasters have caused a documented total of $7.4M in property damage in the Portsmouth, IA area (ZIP 51565). 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 →