Government agency data shows 45 natural disaster events for ZIP 19373 in Thornton, PA. These include 15 hailstorms, 9 floods, and 7 blizzards. Total documented property damage amounts to $27M. These events have resulted in 20 recorded deaths and 62 injuries.
Hailstorms represent the most common natural hazard in this area, accounting for 33% of all recorded events (15 total). The most recent recorded hailstorm occurred on May 20, 2022.
Thornton has experienced 9 floods on record. Of these, 7 (78%) 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 $20.5M in documented property damage. The most recent recorded flood occurred on Jul 9, 2025.
Thornton has experienced 7 blizzards on record. Of these, 5 (71%) 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 $5M in documented property damage. 5 fatalities have been attributed to blizzards in this area. The most recent recorded blizzard occurred on Jan 18, 2015.
Thornton has experienced 7 extreme heat events on record. Of these, 5 (71%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for heat-related events here is 5/5 (extreme). 12 fatalities have been attributed to extreme heat events in this area. The most recent recorded extreme heat event occurred on Jul 15, 2013.
Thornton has experienced 5 tornadoes on record. Tornado-related events have caused a combined $577.5K in documented property damage. The most recent recorded tornado occurred on Oct 31, 2019.
Thornton has experienced 1 extreme cold event on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for cold-related events here is 5/5 (extreme). 3 fatalities have been attributed to extreme cold events in this area. The most recent recorded extreme cold event occurred on Jan 22, 2014.
The most significant disaster event on record for Thornton was Flash Flood on Sep 1, 2021, which caused $15M in property damage. Another major event was Flood (Oct 1, 2010), causing $5M in damages. Winter Storm on Feb 9, 2010 also caused significant damage ($2.5M).
Explore disaster history for adjacent areas
Based on federal and state records, ZIP code 19373 has experienced 45 natural disaster events. The hazard types affecting this area include hailstorms (15 events), floods (9 events), blizzards (7 events), extreme heat events (7 events), tornadoes (5 events), extreme cold event (1 event), and severe wind event (1 event). The primary hazard is hailstorms, which account for 33% of all recorded events.
Hailstorms are the most frequently recorded hazard in Thornton, PA, with 15 events documented.
Yes, Thornton (ZIP 19373) has 9 recorded flood events. These floods have caused $20.5M in total property damage. The most recent flood on record occurred on Jul 9, 2025.
Thornton has 5 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 $577.5K. The most recent tornado was recorded on Oct 31, 2019.
The most damaging natural disaster on record for ZIP code 19373 was Flash Flood, which occurred on Sep 1, 2021. This event caused $15M in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $27M in property damage in the Thornton, PA area (ZIP 19373). 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 →