Right now
The most recent data we hold from NOAA arrived 7 minutes ago, and this point is in it.
7 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
This alert is in force until 12 September 2026, 03:15 UTC.
It is the 56th strongest of the 80 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued September 11 at 6:10PM EDT until September 11 at 11:15PM EDT by NWS Peachtree City GA
An estimated 186,948 people live within 50 km of this point.
Nearby, since 16 March 2026
- March 16, 2026 · score 43 · 7.9 km
- March 16, 2026 · score 43 · 10.0 km
- August 11, 2026 · score 39 · 18.9 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 37 out of 100, at 85 % 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) | 37 / 100 |
| Our confidence | 85% |
| Coordinates | 33.8730, -85.1219 |
| Nearest City | Carrollton (33 km) |
| Population Exposed | 186.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-11T22:10:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.7016f4707c4ac81d322a729a52bb8c62d3302582.001.1 |
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 3 more areas |
| Headline | Flash Flood Warning issued September 11 at 6:10PM 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 | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.7016f4707c4ac81d322a729a52bb8c62d3302582.001.1","noaa_urn:oid:2.49.0.1.840.0.e7c107ed549278de03b9f338d08125482f7532ef.001.1","noaa_urn:oid:2.49.0.1.840.0.7367b4b45b0e9bcc63b9599301504dc7bf97f4ee.001.1","noaa_urn:oid:2.49.0.1.840.0.b4ad6432fc722acd028793c230deece2816d6e15.001.1","noaa_urn:oid:2.49.0.1.840.0.0414e4b7c8e03e2e356f070b57b07c526f5847f9.001.1","noaa_urn:oid:2.49.0.1.840.0.09f36699283da2f7f1dc7a6d875345dce7408778.001.1"] |
| Google News RssFeed | weather |
| Google News SourceName | cbsnews.com |
| MergedSources | [{"id":"gnews_weather_496984_220","source":"google_news","severity":"medium","severityValue":40,"timestamp":1789144993000,"latitude":33.75,"longitude":-84.39}] |
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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