Government agency data shows 20 natural disaster events for ZIP 17830 in Herndon, PA. These include 11 hailstorms, 4 tornadoes, and 2 blizzards. Total documented property damage amounts to $10.7M.
With 11 recorded incidents (55% of all events), hailstorms are the leading natural hazard for this ZIP code. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for hail-related events here is 5/5 (extreme). The most recent recorded hailstorm occurred on Jun 26, 2023.
Herndon has experienced 4 tornadoes on record. Tornado-related events have caused a combined $10M in documented property damage. The most recent recorded tornado occurred on Jun 6, 1994.
Herndon has experienced 2 blizzards on record. Winter storm events have caused a combined $19K in documented property damage. The most recent recorded blizzard occurred on Feb 20, 2025.
Herndon has experienced 2 severe wind events on record. Wind-related events have caused a combined $55K in documented property damage. The most recent recorded severe wind event occurred on Aug 4, 2017.
Herndon 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 5/5 (extreme). Flood-related events have caused a combined $600K in documented property damage. The most recent recorded flood occurred on Sep 7, 2011.
The most significant disaster event on record for Herndon was EF1 Tornado on Jun 6, 1994, which caused $10M in property damage. Another major event was Flood (Sep 7, 2011), causing $600K in damages.
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Based on federal and state records, ZIP code 17830 has experienced 20 natural disaster events. The hazard types affecting this area include hailstorms (11 events), tornadoes (4 events), blizzards (2 events), severe wind events (2 events), and flood (1 event). The primary hazard is hailstorms, which account for 55% of all recorded events.
Hailstorms are the most frequently recorded hazard in Herndon, PA, with 11 events documented.
Yes, Herndon (ZIP 17830) has 1 recorded flood event. These floods have caused $600K in total property damage. The most recent flood on record occurred on Sep 7, 2011.
Herndon 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 $10M. The most recent tornado was recorded on Jun 6, 1994.
The most damaging natural disaster on record for ZIP code 17830 was EF1 Tornado, which occurred on Jun 6, 1994. This event caused $10M in documented property damage. It was rated at severity level 2/5.
Natural disasters have caused a documented total of $10.7M in property damage in the Herndon, PA area (ZIP 17830). 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 →