Summerville, PA (ZIP 15864) has a moderate disaster history with 47 recorded events. These include 23 floods, 13 hailstorms, and 7 blizzards. Total documented property damage amounts to $1.3M. A total of 20 injuries have been reported across all events.
With 23 recorded incidents (49% of all events), floods are the leading natural hazard for this ZIP code. Of these, 8 (35%) 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 $894K in documented property damage. The most recent recorded flood occurred on Jun 18, 2025.
There have been 13 recorded hailstorms in this area, representing 28% of all disaster events. Hail-related events have caused a combined $10K in documented property damage. The most recent recorded hailstorm occurred on Apr 17, 2024.
Summerville has experienced 7 blizzards on record. Of these, 4 (57%) 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 $73K in documented property damage. The most recent recorded blizzard occurred on Dec 15, 2016.
Summerville has experienced 4 tornadoes on record. Tornado-related events have caused a combined $310K in documented property damage. The most recent recorded tornado occurred on Oct 2, 2018.
The most significant disaster event on record for Summerville was Flood on Sep 17, 2004, which caused $478K in property damage. Another major event was EF1 Tornado (Jun 2, 1998), causing $250K in damages.
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Based on federal and state records, ZIP code 15864 has experienced 47 natural disaster events. The hazard types affecting this area include floods (23 events), hailstorms (13 events), blizzards (7 events), and tornadoes (4 events). The primary hazard is floods, which account for 49% of all recorded events.
Floods are the most frequently recorded hazard in Summerville, PA, with 23 events documented. These events have caused a combined $894K in property damage.
Yes, Summerville (ZIP 15864) has 23 recorded flood events. These floods have caused $894K in total property damage. The most recent flood on record occurred on Jun 18, 2025.
Summerville 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 $310K. The most recent tornado was recorded on Oct 2, 2018.
The most damaging natural disaster on record for ZIP code 15864 was Flood, which occurred on Sep 17, 2004. This event caused $478K in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $1.3M in property damage in the Summerville, PA area (ZIP 15864). 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 →