This alert expired on 4 July 2026 at 22:15 UTC. It is kept here as a record.
No stronger detection stands among the 42 recorded within 20 km of this point since 7 May 2026 — 30 others scored the same. The last comparable one was on 26 May 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 4 at 5:27PM EDT until July 4 at 6:15PM EDT by NWS Peachtree City GA
An estimated 1,774,126 people live within 50 km of this point.
Nearby, since 7 May 2026
- July 4, 2026 · score 52 · 6.2 km
- July 17, 2026 · score 52 · 9.8 km
- July 24, 2026 · score 52 · 10.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 out of 100, at 77 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 52 / 100 |
| Our confidence | 77% |
| Coordinates | 33.9876, -84.0935 |
| Nearest City | Duluth (4 km) |
| Population Exposed | 1.8M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-04T21:27:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.d025af6937443af4c3641d4611efa375fd7b0d74.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Barrow, GA; DeKalb, GA; Gwinnett, GA; Walton, GA |
| Headline | Severe Thunderstorm Warning issued July 4 at 5:27PM EDT until July 4 at 6:15PM EDT by NWS Peachtree City GA |
| Expires | 2026-07-04T18:15:00-04:00 |
| SenderName | NWS Peachtree City GA |
| HasExactCoords | true |
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.
Want to know when something happens near Duluth?
Calamity.live data shows a weather event with CalamityScore 52/100, near Duluth (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.