Portsmouth, OH (ZIP 45663) has experienced 61 recorded natural disaster events based on federal and state agency records. These include 31 floods, 18 hailstorms, and 7 tornadoes. Total documented property damage amounts to $15.3M. These events have resulted in 2 recorded deaths and 7 injuries.
The dominant hazard type for Portsmouth is floods, with 31 recorded events making up 51% of the area's disaster history. Of these, 10 (32%) 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 $7.2M in documented property damage. 2 fatalities have been attributed to floods in this area. The most recent recorded flood occurred on Feb 16, 2025.
There have been 18 recorded hailstorms in this area, representing 30% of all disaster events. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for hail-related events here is 4/5 (severe). Hail-related events have caused a combined $20K in documented property damage. The most recent recorded hailstorm occurred on Jul 5, 2012.
Portsmouth has experienced 7 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 $6.1M in documented property damage. The most recent recorded tornado occurred on May 19, 2005.
Portsmouth has experienced 3 blizzards on record. Of these, 2 (67%) 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 $2M in documented property damage. The most recent recorded blizzard occurred on Feb 16, 2003.
Portsmouth has experienced 1 extreme cold event on record. Cold-related events have caused a combined $20K in documented property damage. The most recent recorded extreme cold event occurred on Feb 1, 1996.
Portsmouth has experienced 1 severe wind event on record. Wind-related events have caused a combined $2K in documented property damage. The most recent recorded severe wind event occurred on Mar 23, 2011.
The most significant disaster event on record for Portsmouth was Flood on May 2, 2010, which caused $3.5M in property damage. Another major event was EF2 Tornado (Jul 12, 1980), causing $2.5M in damages. EF3 Tornado on Apr 23, 1968 also caused significant damage ($2.5M).
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Based on federal and state records, ZIP code 45663 has experienced 61 natural disaster events. The hazard types affecting this area include floods (31 events), hailstorms (18 events), tornadoes (7 events), blizzards (3 events), extreme cold event (1 event), and severe wind event (1 event). The primary hazard is floods, which account for 51% of all recorded events.
Floods are the most frequently recorded hazard in Portsmouth, OH, with 31 events documented. These events have caused a combined $7.2M in property damage.
Yes, Portsmouth (ZIP 45663) has 31 recorded flood events. These floods have caused $7.2M in total property damage. The most recent flood on record occurred on Feb 16, 2025.
Portsmouth has 7 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 $6.1M. The most recent tornado was recorded on May 19, 2005.
The most damaging natural disaster on record for ZIP code 45663 was Flood, which occurred on May 2, 2010. This event caused $3.5M in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $15.3M in property damage in the Portsmouth, OH area (ZIP 45663). 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 →