Denver, NY (ZIP 12421) has a moderate disaster history with 17 recorded events. These include 13 floods, 2 hailstorms, and 2 tornadoes. Total documented property damage amounts to $10.4M. Across all recorded events, 1 death has been attributed to natural disasters in this area.
The dominant hazard type for Denver is floods, with 13 recorded events making up 76% of the area's disaster history. Of these, 5 (38%) 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 $10.1M in documented property damage. 1 fatality has been attributed to floods in this area. The most recent recorded flood occurred on Jun 7, 2025.
Denver has experienced 2 hailstorms on record. The most recent recorded hailstorm occurred on May 29, 2012.
Denver has experienced 2 tornadoes on record. Tornado-related events have caused a combined $250K in documented property damage. The most recent recorded tornado occurred on Aug 27, 2020.
The most significant disaster event on record for Denver was Flash Flood on Aug 28, 2011, which caused $5M in property damage and was linked to 1 fatality. Another major event was Flash Flood (Aug 28, 2011), causing $5M in damages.
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Based on federal and state records, ZIP code 12421 has experienced 17 natural disaster events. The hazard types affecting this area include floods (13 events), hailstorms (2 events), and tornadoes (2 events). The primary hazard is floods, which account for 76% of all recorded events.
Floods are the most frequently recorded hazard in Denver, NY, with 13 events documented. These events have caused a combined $10.1M in property damage.
Yes, Denver (ZIP 12421) has 13 recorded flood events. These floods have caused $10.1M in total property damage. The most recent flood on record occurred on Jun 7, 2025.
Denver has 2 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 $250K. The most recent tornado was recorded on Aug 27, 2020.
The most damaging natural disaster on record for ZIP code 12421 was Flash Flood, which occurred on Aug 28, 2011. This event caused $5M in documented property damage. It resulted in 1 reported fatality. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $10.4M in property damage in the Denver, NY area (ZIP 12421). 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 →