Debris Flow in Alabama
Every debris flow event the National Weather Service has filed in Alabama, 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 Alabama.
- 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
- 6
- Deaths
- 0
- Injuries
- 0
- Damage
- $129,000
Every year
The most significant
Ranked by deaths, injuries, damage and size together.
- Tornadoes and Flash Flooding in Alabama, September 4 to 7, 2011A tropical depression developed in the Gulf of Mexico on Thursday, September 1 and strengthened as it remained nearly stationary becoming Tropical Storm Lee Friday afternoon, September 2.
- Debris Flow in Alabama, March 15, 2009Repeated rainfall during the spring months led to a mudslide.
- Debris Flow and Flooding in Alabama, November 27 to 30, 2011A warm conveyor belt of heavy rainfall developed in advance of an intensifying upper level low which dumped from around 2 to over 5 inches of rain across the eastern two thirds of north Alabama and middle Tennessee.
- Flash Flooding and Debris Flow in Alabama, January 20, 2010On the evening of January 20th, a warm front was moving slowly northeast off the Gulf of Mexico with a moist unstable air-mass moving slowly inland across the central Gulf Coast region.
- Flash Flood and Debris Flow in Alabama, September 22 to 23, 2011Slow moving thunderstorms developed in a moist and unstable airmass and produced isolated hail and localized urban flash flooding.
- Debris Flow in Alabama, August 20, 2004A mudslide occurred along SR 171 just northwest of Northport.
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.