Flash Flood in Georgia
Every flash flood event the National Weather Service has filed in Georgia, year by year, with the most significant episodes. Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
The most significant on the map
The most significant flash flood episodes in Georgia.
- 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
- 2,209
- Deaths
- 14
- Injuries
- 15
- Damage
- $183 million
Every year
The most significant
Ranked by deaths, injuries, damage and size together.
- Tornadoes and Flash Flood in Georgia, January 21 to 23, 2017A multi-day severe weather event struck the southeast January 21-22, 2017 with three rounds of severe weather moving through the area.
- Tornadoes and Flash Flood in Georgia, April 27 to 28, 2011A highly diffluent, deep upper trough, centered across Texas, took on a negative tilt and began to rotate northeast during this period.
- Tornadoes and Flash Flooding in Georgia, April 12 to 13, 2020A powerful Spring storm system resulted in a Severe Weather / Tornado outbreak across much of the Southeast region, including north and central Georgia, beginning on Easter Sunday (April 12th) and lingering into the morning hours of April 13th.
- Flash Flooding and Flooding in Georgia, September 20 to 23, 2009A historical, record, and catastrophic flood event unfolded during this period, mostly in the west central Georgia area, including the western and northwestern suburbs of Atlanta.
- Hurricane and Tornado in Georgia, September 25 to 27, 2024Hurricane Helene made landfall as a Category 4 hurricane with maximum sustained winds of 140 mph and a minimum central pressure of 938 mb (27.70 inches) at about 11:10 PM EDT on Thursday, September 26th, in Taylor County Florida just east of the Aucilla River.
- Tornadoes and Flash Flooding in Georgia, March 25 to 26, 2021A very moist and moderately unstable airmass over the region combined with strong shear and persistent southwesterly mid and upper flow produced numerous showers and thunderstorms across north and parts of central Georgia through the day on the 25th into the morning of the 26th.
- Tornadoes and Flash Flooding in Georgia, May 5 to 11, 2003The Dade county Emergency Management Director reported penny-sized hail.
- Tropical Storm and Flash Flood in Georgia, September 11 to 13, 2017On the morning of August 30th Tropical Storm Irma developed rapidly over the eastern Atlantic Ocean, just west of the Cape Verde Islands. Tropical Irma quickly strengthened as it moved west, reaching hurricane strength by the morning of August 31st.
- Tropical Storm and Flash Flood in Georgia, October 28 to 29, 2020During the late evening of October 28th through the morning of October 29th, Tropical Storm Zeta swept rapidly across north Georgia producing widespread wind damage and isolated flooding across north and portions of central Georgia.
- Flash Flooding and Hail in Georgia, July 10, 2003The Dawson county Emergency Management Director reported that excessive rainfall had forced several creeks out of their banks across the western portion of the county near Juno. At least four roads across the county had to be closed because of flooding.
- Tornadoes and Flash Flood in Georgia, March 2 to 3, 2012The cold front that stalled across central Georgia on March 1st began advancing back north as a warm front the morning of March 2nd.
- Hurricane and Tropical Storm in Georgia, October 7 to 8, 2016Matthew first developed into a Tropical Storm about 35 miles southeast of St. Lucia on September 28 before quickly strengthening into a powerful hurricane as it tracked westward across the Caribbean Sea.
- Tornadoes and Flash Flooding in Georgia, July 6 to 7, 2005The Harris County 911 Center reported that several trees were down scattered throughout the county, including one tree that was blown down in downtown Hamilton.
- Tornadoes and Flash Flooding in Georgia, March 26 to 28, 2023A prolonged, active weather pattern persisted across Georgia through late March, culminating in a series of disturbances that impacted the region March 25th through March 28th.
- Tornadoes and Flash Flooding in Georgia, September 16 to 17, 2004A damage assessment conducted by the National Weather Service and the Madison County Emergency Management Director concluded that a 7-mile long path, 150-yard wide, F1 tornado with near 100 mph winds was spawned by the remnants of Tropical Storm Ivan causing major damage to…
- Flash Flooding and Strong Wind in Georgia, September 16 to 17, 2020A weakening Tropical Storm Sally moved into Georgia on September 16th, spreading heavy rainfall amounts and producing damaging winds in north and central Georgia.
- Tornadoes and Flash Flooding in Georgia, January 2, 2006The National Weather Service river gage on Crooked Creek along the Fulton/Gwinnett county line, or about 4 miles west-northwest of Norcross indicated that the river had exceeded flood stage at 8:35 AM EST and fell below flood stage at 11:45 am EST.
- Hurricane and Tropical Storm in Georgia, August 30, 2023Hurricane Idalia made landfall on the morning of August 30th along the coast of Taylor County Florida near Keaton Beach at approximately 745 am EDT.
- Tornadoes and Flash Flood in Georgia, March 21, 2017A large mesoscale convective complex developed along a cold front across central and southern Tennessee in response to a series of short waves sweeping through the region.
- Tornadoes and Flash Flooding in Georgia, March 2 to 6, 2012Several subtle upper level shortwaves affected the area during a three day period between March 1-3 as a broad long-wave upper level trough located west of the area slowly progressed eastward.
- Flash Flooding and Hail in Georgia, July 22, 2003The public reported that drainage ditches in the area were well out of their banks and water was flowing across the roads.
- Tornadoes and Flash Flooding in Georgia, May 3 to 4, 2021A series of upper-level short waves moved across the region in persistent, southwesterly upper-level flow combined with moderate instability and shear to produce several rounds of strong to severe thunderstorms across north and central Georgia.
- Flash Flooding in Georgia, August 23 to 24, 2008Tropical Storm Fay made its fourth landfall on Saturday, August 23rd near Carrabelle, Florida, then continued on a steady westward path across the Florida Panhandle.
- Flash Flooding and Heat in Georgia, July 26, 2010A hot, very moist, tropical air mass remained in place across the region. The persistent subtropical ridge had shifted just to the southeast of Georgia. A cold front was near the Georgia-Tennessee border.
- Tornadoes and Flash Flooding in Georgia, April 5, 2017Another strong short wave, the second in three days, rotated through a large and deep upper-level trough over the eastern U.S.
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.