North Chelmsford, MA (ZIP 01863) has a moderate disaster history with 18 recorded events. These include 8 floods, 7 hailstorms, and 3 tornadoes. Total documented property damage amounts to $2.9M. A total of 4 injuries have been reported across all events.
The dominant hazard type for North Chelmsford is floods, with 8 recorded events making up 44% of the area's disaster history. Of these, 2 (25%) 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 $105.7K in documented property damage. The most recent recorded flood occurred on Jun 26, 2023.
North Chelmsford has experienced 7 hailstorms on record. Hail-related events have caused a combined $25K in documented property damage. The most recent recorded hailstorm occurred on Aug 21, 2019.
North Chelmsford has experienced 3 tornadoes on record. Tornado-related events have caused a combined $2.8M in documented property damage. The most recent recorded tornado occurred on Jul 21, 1972.
The most significant disaster event on record for North Chelmsford was EF2 Tornado on Jul 21, 1972, which caused $2.5M in property damage. Another major event was EF2 Tornado (Aug 28, 1965), causing $250K in damages.
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Based on federal and state records, ZIP code 01863 has experienced 18 natural disaster events. The hazard types affecting this area include floods (8 events), hailstorms (7 events), and tornadoes (3 events). The primary hazard is floods, which account for 44% of all recorded events.
Floods are the most frequently recorded hazard in North Chelmsford, MA, with 8 events documented. These events have caused a combined $105.7K in property damage.
Yes, North Chelmsford (ZIP 01863) has 8 recorded flood events. These floods have caused $105.7K in total property damage. The most recent flood on record occurred on Jun 26, 2023.
North Chelmsford 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 $2.8M. The most recent tornado was recorded on Jul 21, 1972.
The most damaging natural disaster on record for ZIP code 01863 was EF2 Tornado, which occurred on Jul 21, 1972. This event caused $2.5M in documented property damage. It was rated at severity level 3/5.
Natural disasters have caused a documented total of $2.9M in property damage in the North Chelmsford, MA area (ZIP 01863). 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 →