Right now
The most recent data we hold from NOAA arrived 3 minutes ago, and this point is in it.
4 other detections within 20 km in the last 24 hours, the nearest 16 km from here.
This alert is in force until 12 September 2026, 03:15 UTC.
It is the 9th strongest of the 63 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued September 11 at 5:08PM EDT until September 11 at 11:15PM EDT by NWS Peachtree City GA
An estimated 1,378,860 people live within 50 km of this point.
Nearby, since 16 March 2026
- May 24, 2026 · score 52 · 12.4 km
- July 1, 2026 · score 52 · 15.9 km
- September 11, 2026 · score 46 · 16.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 46 out of 100, at 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 46 / 100 |
| Our confidence | 80% |
| Coordinates | 33.8019, -84.8383 |
| Nearest City | Douglasville (10 km) |
| Population Exposed | 1.4M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-11T21:08:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.0ba07d3fd6beba9b4454d160a913b9571e87b247.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Cobb, GA; Fulton, GA; Clayton, GA; DeKalb, GA; Fulton, GA; Carroll, GA; Douglas, GA; Haralson, GA; Paulding, GA and 1 more areas |
| Headline | Flash Flood Warning issued September 11 at 5:08PM EDT until September 11 at 11:15PM EDT by NWS Peachtree City GA |
| Expires | 2026-09-11T23:15:00-04:00 |
| SenderName | NWS Peachtree City GA |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.0ba07d3fd6beba9b4454d160a913b9571e87b247.001.1","noaa_urn:oid:2.49.0.1.840.0.134b8b0c069292fb7755758973fdc94676f0cc2d.001.1","noaa_urn:oid:2.49.0.1.840.0.2229d3b7936b2e558ce854d9b30456e23aa24933.001.1","noaa_urn:oid:2.49.0.1.840.0.0414e4b7c8e03e2e356f070b57b07c526f5847f9.001.1"] |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
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