Merrimack, NH (ZIP 03054) has a moderate disaster history with 48 recorded events. These include 26 hailstorms, 8 blizzards, and 7 floods. Total documented property damage amounts to $7.4M. Across all recorded events, 2 deaths have been attributed to natural disasters in this area.
With 26 recorded incidents (54% of all events), hailstorms are the leading natural hazard for this ZIP code. Hail-related events have caused a combined $1K in documented property damage. The most recent recorded hailstorm occurred on Sep 6, 2025.
Merrimack has experienced 8 blizzards on record. Of these, 5 (63%) 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 $6.1M in documented property damage. 1 fatality has been attributed to blizzards in this area. The most recent recorded blizzard occurred on Apr 4, 2007.
Merrimack has experienced 7 floods on record. Of these, 6 (86%) 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 $215K in documented property damage. The most recent recorded flood occurred on Jul 29, 2021.
Merrimack has experienced 4 tornadoes on record. Tornado-related events have caused a combined $32.5K in documented property damage. The most recent recorded tornado occurred on Jul 19, 1972.
Merrimack has experienced 3 severe wind events on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for wind-related events here is 4/5 (severe). Wind-related events have caused a combined $1.1M in documented property damage. 1 fatality has been attributed to severe wind events in this area. The most recent recorded severe wind event occurred on Jul 16, 2024.
The most significant disaster event on record for Merrimack was Heavy Snow on Mar 5, 2001, which caused $5M in property damage. Another major event was Heavy Snow (Dec 7, 1996), causing $1M in damages. 96 mph Thunderstorm Wind on Jul 16, 2024 also caused significant damage ($1M).
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Based on federal and state records, ZIP code 03054 has experienced 48 natural disaster events. The hazard types affecting this area include hailstorms (26 events), blizzards (8 events), floods (7 events), tornadoes (4 events), and severe wind events (3 events). The primary hazard is hailstorms, which account for 54% of all recorded events.
Hailstorms are the most frequently recorded hazard in Merrimack, NH, with 26 events documented. These events have caused a combined $1K in property damage.
Yes, Merrimack (ZIP 03054) has 7 recorded flood events. These floods have caused $215K in total property damage. The most recent flood on record occurred on Jul 29, 2021.
Merrimack has 4 recorded tornado events in the historical record. Total property damage from tornadoes in this area is $32.5K. The most recent tornado was recorded on Jul 19, 1972.
The most damaging natural disaster on record for ZIP code 03054 was Heavy Snow, which occurred on Mar 5, 2001. This event caused $5M in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $7.4M in property damage in the Merrimack, NH area (ZIP 03054). 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 →