ZIP code 03275, covering Allenstown, NH, has 56 natural disaster events in the historical record. These include 31 hailstorms, 18 floods, and 3 blizzards. Total documented property damage amounts to $9.9M. These events have resulted in 1 recorded death and 8 injuries.
Hailstorms represent the most common natural hazard in this area, accounting for 55% of all recorded events (31 total). The most recent recorded hailstorm occurred on Sep 6, 2025.
There have been 18 recorded floods in this area, representing 32% of all disaster events. Of these, 11 (61%) 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 $3.6M in documented property damage. The most recent recorded flood occurred on Aug 18, 2015.
Allenstown has experienced 3 blizzards on record. Of these, 2 (67%) 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 $5.2M in documented property damage. The most recent recorded blizzard occurred on Dec 11, 2008.
Allenstown has experienced 3 tornadoes on record. Tornado-related events have caused a combined $1M in documented property damage. 1 fatality has been attributed to tornadoes in this area. The most recent recorded tornado occurred on Jul 24, 2008.
Allenstown has experienced 1 severe wind event on record. The most recent recorded severe wind event occurred on May 20, 1963.
The most significant disaster event on record for Allenstown was Ice Storm on Jan 7, 1998, which caused $3.7M in property damage. Another major event was Ice Storm (Dec 11, 2008), causing $1.6M in damages. Flood on Apr 16, 2007 also caused significant damage ($1M).
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Based on federal and state records, ZIP code 03275 has experienced 56 natural disaster events. The hazard types affecting this area include hailstorms (31 events), floods (18 events), blizzards (3 events), tornadoes (3 events), and severe wind event (1 event). The primary hazard is hailstorms, which account for 55% of all recorded events.
Hailstorms are the most frequently recorded hazard in Allenstown, NH, with 31 events documented.
Yes, Allenstown (ZIP 03275) has 18 recorded flood events. These floods have caused $3.6M in total property damage. The most recent flood on record occurred on Aug 18, 2015.
Allenstown has 3 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 $1M. The most recent tornado was recorded on Jul 24, 2008.
The most damaging natural disaster on record for ZIP code 03275 was Ice Storm, which occurred on Jan 7, 1998. This event caused $3.7M in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $9.9M in property damage in the Allenstown, NH area (ZIP 03275). 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 →