The National Weather Service office in Peachtree City, Georgia issued a Flash Flood Warning at 4:56 PM EDT on September 11, in effect until 10:30 PM EDT. The warning covers 14 areas, including the Georgia counties of Clayton, DeKalb, Fulton, Carroll, Douglas, Haralson, and Paulding – a stretch that includes much of the Atlanta metro area and communities to its west.
A flash flood warning means flooding is already happening or is about to happen, not just that it’s possible. This is the most serious level of flood alert the Weather Service issues, and it typically follows very heavy rainfall in a short period of time.
If you’re in the warned area, you may notice water rising quickly on roads, especially in low-lying spots, underpasses, and near creeks and drainage ditches. Urban areas like Atlanta are prone to rapid street flooding because pavement sheds water rather than absorbing it. Commuters during the evening rush could encounter flooded roadways with little warning.
What to do right now
First, never drive through flooded roads. Just six inches of moving water can knock down an adult, and a foot of water can float most cars. ‘Turn around, don’t drown’ is the standard advice for a reason. Second, if you live in a low-lying area or near a creek, be ready to move to higher ground quickly – flash flooding can develop in minutes. Third, keep your phone charged and weather alerts enabled through the evening, since the warning runs until 10:30 PM and conditions can change fast.
Readers in Navajo County, Arizona and the Charleston/Colleton County area of South Carolina appear in the raw alert feed for this event; those areas are far outside the Atlanta office’s normal coverage and may reflect a data aggregation quirk rather than active flooding there. Residents outside north Georgia should check their local National Weather Service office for warnings that actually apply to them.
This alert is based on data from the National Weather Service office in Peachtree City, Georgia, part of NOAA’s National Weather Service.
Frequently Asked Questions
What should I do right now if I'm in the Atlanta area?
Avoid driving through any flooded road, move away from low-lying areas, creeks, and drainage ditches, and keep weather alerts enabled on your phone through the evening. The warning runs until 10:30 PM EDT, so stay weather-aware through the night.
How long will this last?
The warning is in effect until 10:30 PM EDT on September 11. The Weather Service may extend, expand, or cancel it depending on how rainfall and flooding develop.
Is it safe to drive home during the evening commute?
Use caution and check conditions before leaving, since flooded roadways are the leading cause of flood-related deaths. If you encounter water covering the road, turn around – depth and current are impossible to judge from a car.
Why are Arizona and South Carolina counties listed in this warning?
The raw alert feed includes Navajo County, AZ and Charleston/Colleton counties in SC, but those are far outside the Peachtree City, GA office's coverage area and are likely a data feed artifact. Check your local NWS office for warnings that apply to your location.
Keep tracking this:
Source: National Weather Service (NWS)
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Sky & Solar Conditions at the Time
Moon: New Moon (1% illuminated), in Virgo.
Notable planetary angles: Sun sextile Mars (59°), Jupiter trine Saturn (123°), Moon conjunct Mercury (4°).
Concurrent space weather: planetary Kp index 1.7; strongest recent solar flare: nothing notable.
This is a factual snapshot, not a claim of cause and effect – researchers are divided on whether lunar, planetary or solar factors influence seismic or weather activity. It’s included so readers can track the pattern for themselves over time.
