Debris Flow in Massachusetts
Every debris flow event the National Weather Service has filed in Massachusetts, year by year, with the most significant episodes. A fast-moving slurry of mud, rock and debris, usually on a slope soaked by heavy rain or stripped by a fire.
The most significant on the map
The most significant debris flow episodes in Massachusetts.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The record
- Events
- 3
- Deaths
- 0
- Injuries
- 0
- Damage
- $50,000
Every year
The most significant
Ranked by deaths, injuries, damage and size together.
- Debris Flow and Flooding in Massachusetts, March 13 to 21, 2010A stacked low pressure system (surface low and upper level low on top of each other) moved southeast of Nantucket, spreading rain across Southern New England. This resulted in widespread rainfall totals of three to six inches.
- Debris Flow and Flooding in Massachusetts, December 9 to 10, 2014A strong coastal storm brought wintry precipitation, heavy rain, and strong winds to much of southern New England.
- Debris Flow and Strong Wind in Massachusetts, December 24 to 25, 2020An area of low pressure tracking from the Great Lakes to Hudson Bay advected in an unseasonably warm air mass into the region from Thursday, December 24 to Friday, December 25, 2020.
More
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.