Flood in Alabama
Every flood event the National Weather Service has filed in Alabama, year by year, with the most significant episodes. Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
The most significant on the map
The most significant flood 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
- 517
- Deaths
- 4
- Injuries
- 1
- Damage
- $253 million
Every year
The most significant
Ranked by deaths, injuries, damage and size together.
- Tornadoes and Flash Flood in Alabama, January 1 to 3, 2017Multiple rounds of showers and thunderstorms affected the region to start the year. Two day rainfall totals in excess of 8 inches were common across portions of the Florida panhandle with several roads flooded.
- Tornadoes and Flash Flooding in Alabama, April 28 to 29, 2014A tornado outbreak occurred during the late afternoon and evening across the central Tennessee Valley on the 28th. Several cyclic supercells produced tornadoes, some of which were strong. Very heavy rainfall occurred in some areas as well.
- Flash Flooding and Flooding in Alabama, December 24 to 31, 2015An anomalous upper level pattern developed across the country with a large upper level trough remaining nearly stationary west of the area for several days. Continuous southwest flow brought unseasonably warm temperatures and high moisture content across the area.
- Tornadoes and Flash Flooding in Alabama, February 5 to 6, 2020Heavy rainfall and severe storms affected Central Alabama on February 5th and 6th as several impulses emanated from a deep upper trough centered over the central United States. This event yielded tornadoes, damaging winds, and flooding.
- Tornadoes and Flash Flooding in Alabama, May 6, 2009Strong thunderstorms erupted around Midnight on the 6th in northwest Alabama and tracked across portions of north Alabama.
- Tornado and Flash Flooding in Alabama, February 5 to 6, 2020A strong influx of moisture, along with a potent upper level jet stream and incoming cold front brought multiple rounds of showers and thunderstorms, some heavy from the early morning of the 5th through the early morning of the 6th.
- Flooding in Alabama, March 8 to 17, 1998An intense Gulf storm deposited up to 14 inches of rain across southeast Alabama on March 6-8. Houston, Dale, and Geneva counties were declared federal disaster areas.
- Tornadoes and Flash Flooding in Alabama, April 12 to 13, 2020Heavy rainfall occurred across the entire NWS Huntsville County Warning area, as well as damage from thunderstorm winds and a few tornadoes.
- Flash Flooding and Flooding in Alabama, December 25 to 27, 2015Numerous systems affecting the Tennessee valley earlier in the month set the stage widespread flash flooding and areal flooding across much of the region during the final week of 2015.
- Tornado and Flash Flood in Alabama, December 29 to 30, 2019The first of two lines of thunderstorms arrived in northwest Alabama during the early afternoon hours producing a couple reports of wind damage.
- Flash Flooding and Flooding in Alabama, September 19 to 29, 2021Showers and thunderstorms repeatedly moved across Northern Madison and into Western Jackson Counties during the mid-morning hours, lingering into the afternoon hours on the 19th.
- Flash Flooding and Flood in Alabama, August 1 to 3, 2025Slow-moving thunderstorms occurred during the afternoon of August 1. One storm dumped 2-3 of rain over a localized area of Vestavia Hills and northern Hoover in less than an hour, resulting in numerous street flooding issues along Highway 31 and nearby roadways.
- Flood in Alabama, May 2, 2014A person was killed after they went around a barricade and fell in a sinkhole left by recent heavy rain.
- 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.
- Tornadoes and Flash Flooding in Alabama, April 2 to 3, 2009A powerful low pressure system tracked from Arkansas into the Ohio Valley, lifting a warm front north during the afternoon, and pushing a cold front during the evening hours.
- Flash Flooding and Flooding in Alabama, December 8 to 9, 2009A strong storm system brought flooding rainfall across much of northern Alabama and portions of southern middle Tennessee. Rainfall amounts of 2 to 4 inches were common, with some areas receiving 5 to 7 inches.
- Tornadoes and Flash Flooding in Alabama, December 24 to 28, 2015A low level boundary across southeast Alabama became the focus for heavy rainfall and severe weather during the early morning hours of December 24th. As the boundary lifted northward, the focus for heavy rainfall and severe weather shifted into north central Alabama.
- Tornado and Flash Flooding in Alabama, September 16 to 20, 2009A slow moving upper level disturbance helped spark several days of thunderstorms across Central Alabama. The storms were slow moving, and produced very heavy rainfall in some locations, which led to flash flooding.
- Flash Flooding and Flooding in Alabama, February 11 to 12, 2013As a cold front moved south into the region and stalled, a series of upper level disturbances moved through the area with broad southwest flow and moist conditions.
- Flooding in Alabama, May 7 to 10, 2003Heavy rains forced the Chattahoochee River to flood eastern sections of Chambers County including some sections of Lanett. Chamber County Emergency Management Agency reported that 900 industry, businesses, and homes were affected.
- Flash Flooding and Flooding in Alabama, December 14 to 15, 2009Slow moving thunderstorms produced heavy rains that caused widespread flooding in portions of south central and southwest Alabama.
- Flash Flooding and Flood in Alabama, May 20 to 21, 2010An upper level disturbance and associated surface frontal system, moving across the Ohio and Tennessee Valleys, caused numerous thunderstorms across Central Alabama over a two day period. Many of the storms produced damaging winds, large hail, and locally heavy rainfall.
- Flash Flooding and Flooding in Alabama, May 2 to 4, 2010A slow moving frontal boundary pushed into a moist and unstable air mass during the afternoon hours on the 2nd. This produced numerous showers and thunderstorms resulting in 2 to 5 inch rainfall accumulations through 2 or 3 in the morning on the 3rd across northern Alabama.
- Flooding in Alabama, December 24 to 25, 2015Several rounds of heavy rainfall impacted southwest and south central Alabama during the last 2 weeks of December. In total, most locations received at least six to eight inches of rainfall, with many inland locations receiving at least ten inches of rainfall.
- Flash Flooding and Flooding in Alabama, January 5 to 8, 2009An area of low pressure developed along a stalled frontal boundary across northeastern Alabama. Heavy rainfall and thunderstorms developed along and behind the front as the low moved northeast.
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.