Johnstown, PA (ZIP 15909) has a moderate disaster history with 31 recorded events. These include 15 hailstorms, 6 tornadoes, and 5 blizzards. Total documented property damage amounts to $427.5K. These events have resulted in 2 recorded deaths and 6 injuries.
With 15 recorded incidents (48% of all events), hailstorms are the leading natural hazard for this ZIP code. The most recent recorded hailstorm occurred on May 23, 2019.
Johnstown has experienced 6 tornadoes on record. Tornado-related events have caused a combined $327.5K in documented property damage. The most recent recorded tornado occurred on Jun 16, 1998.
Johnstown has experienced 5 blizzards 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 $85K in documented property damage. The most recent recorded blizzard occurred on Nov 28, 2025.
Johnstown has experienced 3 severe wind events on record. Wind-related events have caused a combined $15K in documented property damage. The most recent recorded severe wind event occurred on May 23, 2019.
Johnstown has experienced 2 extreme cold events on record. 2 fatalities have been attributed to extreme cold events in this area. The most recent recorded extreme cold event occurred on Jan 20, 2025.
The most significant disaster event on record for Johnstown was EF1 Tornado on Apr 9, 1991, which caused $250K in property damage.
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Based on federal and state records, ZIP code 15909 has experienced 31 natural disaster events. The hazard types affecting this area include hailstorms (15 events), tornadoes (6 events), blizzards (5 events), severe wind events (3 events), and extreme cold events (2 events). The primary hazard is hailstorms, which account for 48% of all recorded events.
Hailstorms are the most frequently recorded hazard in Johnstown, PA, with 15 events documented.
Johnstown has 6 recorded tornado events in the historical record. Total property damage from tornadoes in this area is $327.5K. The most recent tornado was recorded on Jun 16, 1998.
The most damaging natural disaster on record for ZIP code 15909 was EF1 Tornado, which occurred on Apr 9, 1991. This event caused $250K in documented property damage. It was rated at severity level 2/5.
Natural disasters have caused a documented total of $427.5K in property damage in the Johnstown, PA area (ZIP 15909). 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 →