Groton, MA (ZIP 01450) has a moderate disaster history with 28 recorded events. These include 18 hailstorms, 5 tornadoes, and 3 severe wind events. Total documented property damage amounts to $5.8M. These events have resulted in 1 recorded death and 5 injuries.
The dominant hazard type for Groton is hailstorms, with 18 recorded events making up 64% of the area's disaster history. The most recent recorded hailstorm occurred on Jul 11, 2025.
Groton has experienced 5 tornadoes on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for tornado-related events here is 4/5 (severe). Tornado-related events have caused a combined $2.8M in documented property damage. 1 fatality has been attributed to tornadoes in this area. The most recent recorded tornado occurred on Jul 21, 1972.
Groton has experienced 3 severe wind events on record. Wind-related events have caused a combined $270K in documented property damage. The most recent recorded severe wind event occurred on May 15, 2020.
Groton has experienced 2 floods on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for flood-related events here is 5/5 (extreme). Flood-related events have caused a combined $2.7M in documented property damage. The most recent recorded flood occurred on Aug 4, 2012.
The most significant disaster event on record for Groton was Flood on Mar 14, 2010, which caused $2.7M in property damage. Another major event was EF2 Tornado (Jul 21, 1972), causing $2.5M in damages.
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Based on federal and state records, ZIP code 01450 has experienced 28 natural disaster events. The hazard types affecting this area include hailstorms (18 events), tornadoes (5 events), severe wind events (3 events), and floods (2 events). The primary hazard is hailstorms, which account for 64% of all recorded events.
Hailstorms are the most frequently recorded hazard in Groton, MA, with 18 events documented.
Yes, Groton (ZIP 01450) has 2 recorded flood events. These floods have caused $2.7M in total property damage. The most recent flood on record occurred on Aug 4, 2012.
Groton has 5 recorded tornado events in the historical record. The strongest tornado recorded reached severity level 4/5 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 01450 was Flood, which occurred on Mar 14, 2010. This event caused $2.7M in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $5.8M in property damage in the Groton, MA area (ZIP 01450). 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 →