Right now
The most recent data we hold from NOAA arrived 1 minute ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 20 September 2026 at 00:15 UTC. It is kept here as a record.
It is the 21st strongest of the 27 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 6 August 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 19 at 7:28PM EDT until September 19 at 8:15PM EDT by NWS Peachtree City GA
Urban PEI: 312,753 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- August 6, 2026 · score 43 · 14.0 km
- March 16, 2026 · score 52 · 16.7 km
- July 9, 2026 · score 43 · 19.9 km
How we know
4 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 37 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
Computed under scoring rules v5. 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 |
| Legacy data-support index | 0.90/1 |
| Coordinates | 33.2671, -84.7229 |
| Nearest City | Newnan (14 km) |
| Urban exposure index (PEI) | 312.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-19T23:28:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.b211635a3dbc750e96d2d729151c65207c6d83ba.001.1 |
Physical priority index · v5. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-09-19T23:28:00.000Z.
First archived: 2026-09-19T23:48:45.908Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
2026-09-20T00:10:18.791Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
2026-09-20T00:04:59.702Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
2026-09-19T23:59:42.050Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Coweta, GA; Meriwether, GA |
| Headline | Severe Thunderstorm Warning issued September 19 at 7:28PM EDT until September 19 at 8:15PM EDT by NWS Peachtree City GA |
| Expires | 2026-09-19T20:15:00-04:00 |
| SenderName | NWS Peachtree City GA |
| HasExactCoords | true |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 1 E Warm Springs |
| Spc County | Meriwether |
| Spc State | GA |
| Spc Comments | Multiple trees reported down along the 31000 block of Judson Bullock Road including a tree down across Parkman Pond Intersection. (FFC) |
| Iem TypeSummary | D |
| Iem City | 1 E Warm Springs |
| Iem County | Meriwether |
| Iem State | GA |
| Iem Wfo | FFC |
| Iem Remark | Multiple trees reported down along the 31000 block of Judson Bullock Road including a tree down across Parkman Pond Intersection. |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
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.
Review the area, threshold and delivery channel in your account.
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