Alton Bay, NH (ZIP 03810) has a moderate disaster history with 28 recorded events. These include 13 hailstorms, 5 severe wind events, and 4 floods. Total documented property damage amounts to $7.5M.
Hailstorms represent the most common natural hazard in this area, accounting for 46% of all recorded events (13 total). The most recent recorded hailstorm occurred on Jul 20, 2025.
Alton Bay has experienced 5 severe wind events on record. Wind-related events have caused a combined $230K in documented property damage. The most recent recorded severe wind event occurred on Jul 21, 2022.
Alton Bay has experienced 4 floods on record. Of these, 3 (75%) 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 4/5 (severe). Flood-related events have caused a combined $100K in documented property damage. The most recent recorded flood occurred on Jul 30, 2021.
Alton Bay has experienced 4 tornadoes on record. Tornado-related events have caused a combined $3M in documented property damage. The most recent recorded tornado occurred on Jul 24, 2008.
Alton Bay has experienced 2 blizzards on record. Of these, 2 (100%) 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 $4.1M in documented property damage. The most recent recorded blizzard occurred on Dec 11, 2008.
The most significant disaster event on record for Alton Bay was Ice Storm on Jan 7, 1998, which caused $3.8M in property damage. Another major event was EF2 Tornado (Jun 22, 1981), causing $2.5M in damages.
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Based on federal and state records, ZIP code 03810 has experienced 28 natural disaster events. The hazard types affecting this area include hailstorms (13 events), severe wind events (5 events), floods (4 events), tornadoes (4 events), and blizzards (2 events). The primary hazard is hailstorms, which account for 46% of all recorded events.
Hailstorms are the most frequently recorded hazard in Alton Bay, NH, with 13 events documented.
Yes, Alton Bay (ZIP 03810) has 4 recorded flood events. These floods have caused $100K in total property damage. The most recent flood on record occurred on Jul 30, 2021.
Alton Bay 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 $3M. The most recent tornado was recorded on Jul 24, 2008.
The most damaging natural disaster on record for ZIP code 03810 was Ice Storm, which occurred on Jan 7, 1998. This event caused $3.8M in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $7.5M in property damage in the Alton Bay, NH area (ZIP 03810). 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 →