Cobb County, Georgia severe weather history spans 608 recorded events between 1953 and 2025. The dominant hazard is thunderstorm wind, accounting for 41.1% of all recorded events. It ranks #567 nationally and #7 in Georgia.
608
Recorded events
8
Direct deaths
374
Direct injuries
$241.3M
Property damage
The record
What the Cobb County, Georgia severe weather history record shows
Across the archive, Cobb County, Georgia severe weather history averages 8.4 recorded events a year. The busiest stretch on record is the 2000s, with 185 events logged in that decade alone. Roughly 67 events fall before 1990 and 541 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.
The deadliest hazard in the Cobb County, Georgia record is tornado, responsible for 4 direct deaths. The costliest is tornado, with $158.5M in reported property damage. In total, 9 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in Cobb County
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Thunderstorm Wind | 250 | 1 | $9.4M | 78 | 1957–2025 |
| Hail | 221 | 0 | $27.3M | 4 | 1960–2025 |
| Lightning | 49 | 3 | $4.9M | 0 | 1997–2017 |
| Flash Flood | 38 | 0 | $11.4M | 0 | 1996–2021 |
| Tornado | 31 | 4 | $158.5M | F4 | 1953–2024 |
| Flood | 9 | 0 | $29.7M | 0 | 2000–2009 |
| Heavy Rain | 7 | 0 | $123K | 0 | 2003–2016 |
| Funnel Cloud | 2 | 0 | $0 | 0 | 2009–2011 |
| Winter Storm | 1 | 0 | $0 | 0 | 2025–2025 |
Decade by decade
Cobb County, Georgia severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
Tornado tracks
Paths crossing this county
32 mapped tornado paths intersect this county: 26 touched down inside it and 6 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.
| Date | Scale | Deaths | Injuries | Path length | Origin |
|---|---|---|---|---|---|
| 1992-11-22 | EF4 | 0 | 46 | 20.0 mi | Touched down here |
| 1993-02-21 | EF3 | 0 | 3 | 8.0 mi | Touched down here |
| 1991-03-29 | EF3 | 0 | 25 | 5.0 mi | Touched down here |
| 1998-04-08 | EF2 | 0 | 4 | 3.5 mi | Touched down here |
| 1994-06-26 | EF2 | 0 | 1 | 2.0 mi | Touched down here |
| 1990-02-10 | EF2 | 0 | 2 | 1.3 mi | Touched down here |
| 1989-04-04 | EF2 | 0 | 0 | 6.0 mi | Crossed in |
| 1986-03-19 | EF2 | 0 | 15 | 5.7 mi | Touched down here |
| 1971-04-28 | EF2 | 0 | 0 | 0.3 mi | Touched down here |
| 1956-04-15 | EF2 | 0 | 0 | 46.8 mi | Crossed in |
Significant events
Deadliest events on record in Cobb County
| Date | Type | Location | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Jun 30, 1995 | Tornado | Smyrna | 4 | 250 | $0 |
| Jul 13, 2010 | Lightning | LELAND | 2 | 0 | $0 |
| Jun 18, 2011 | Thunderstorm Wind | ACWORTH | 1 | 0 | $30K |
| Jul 30, 2002 | Lightning | MARIETTA | 1 | 0 | $3K |
| Nov 22, 1992 | Tornado | 0 | 34 | $25.0M | |
| Mar 29, 1991 | Tornado | 0 | 25 | $25.0M | |
| Mar 19, 1986 | Tornado | 0 | 15 | $25.0M | |
| May 19, 2001 | Lightning | MT BETHEL | 0 | 8 | $0 |
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
A preliminary survey confirmed a small F1 tornado touched down for less than 30 seconds. Path width 30 yards…Length 100 yards. A Dairy Queen sustained the worst damage, as the roof was completely destroyed. A pay phone on the southeast side of the building held the roof up, sparing the lives of the 30 people inside. Four of the occupants sustained minor injuries. A business sign next door to the restaurant was knocked over. A Chevy van was picked up and moved although there appeared to be only slight cosmetic damage to it.
WXIA Television of Atlanta reported that two teenage girls were struck by lightning while standing under a tree adjacent to their home at the Windwood apartments, just south of Mableton. The 16-year old female died shortly after being transported from the scene to the hospital. Her 14-year old cousin died on July 21st after being hospitalized in critical condition and on a respirator since the lightning strike on the 13th.
The Atlanta Journal-Contstituation and the Cobb County 911 Center reported that dozens of trees were down throughout the county. A 55-year old Marietta woman was killed instantly when a large tree fell on her vehicle while traveling along Powers Ferry Road. Many power outages were noted around the county for up to four hours in some areas.
Context
Risk, population and federal disasters
Relatively High
FEMA NRI risk rating
775,208
Population (ACS)
$407K
Median home value
19
Federal declarations
| Declared | Incident | Title | Type |
|---|---|---|---|
| Jan 24, 2026 | Winter Storm | SEVERE WINTER STORM | EM |
| Sep 26, 2024 | Tropical Storm | HURRICANE HELENE | EM |
| Mar 29, 2020 | Biological | COVID-19 PANDEMIC | DR |
| Mar 13, 2020 | Biological | COVID-19 | EM |
| Sep 15, 2017 | Hurricane | HURRICANE IRMA | DR |
| Sep 8, 2017 | Hurricane | HURRICANE IRMA | EM |
Within the county
Most affected places
- Marietta 113
Quick answers
Frequently asked
How many severe weather events have been recorded in Cobb County, Georgia?
608 events are on record between 1953 and 2025, causing 8 direct deaths and $241.3M in property damage.
What is the most common severe weather hazard in Cobb County?
Thunderstorm Wind, with 250 recorded events — 41.1% of everything in the archive for this county.
How many tornadoes have crossed Cobb County?
32 mapped tornado paths intersect the county boundary; 26 of them touched down inside it. This is derived from path geometry, not county-tagged reports.
How many federal disaster declarations cover Cobb County?
19 federal disaster declarations from FEMA include Cobb County, each tied to a specific incident period.
How risky is Cobb County compared with the rest of the country?
FEMA's National Risk Index rates Cobb County as relatively high risk, placing it in the 94 percentile of its state for expected annual loss.
Where does the Cobb County, Georgia severe weather history data come from?
Every figure is drawn from United States federal public-domain records: NOAA/NCEI Storm Events for the event archive, NOAA SPC SVRGIS for mapped tornado paths, FEMA for disaster declarations and risk ratings, and the U.S. Census for population context. Dates are shown in UTC and recent entries may still be revised by NOAA.
Nearby
Neighbouring counties
- Clinch County 247
- Coffee County 381
- Clayton County 269
- Colquitt County 349
- Clay County 82
- Columbia County 384
Cite this page
“Cobb County, Georgia.” Severe Weather History. severeweatherhistory.com/county/georgia/cobb-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.