This alert expired on 19 July 2026 at 18:30 UTC. It is kept here as a record.
It is the strongest of the 96 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 19 at 1:21PM CDT until July 19 at 1:30PM CDT by NWS Birmingham AL
An estimated 101,509 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 19, 2026 · score 39 · 3.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 81 % 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) | 43 / 100 |
| Our confidence | 81% |
| Coordinates | 33.9991, -86.3221 |
| Nearest City | Gadsden (29 km) |
| Population Exposed | 101.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-19T18:21:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.3713fcdc0c101f79df3bf5b95731407b |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | St. Clair, AL; Talladega, AL; Jackson, AL; Madison, AL; Marshall, AL |
| Headline | Severe Thunderstorm Warning issued July 19 at 1:21PM CDT until July 19 at 1:30PM CDT by NWS Birmingham AL |
| Expires | 2026-07-19T13:30:00-05:00 |
| SenderName | NWS Birmingham AL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3713fcdc0c101f79df3bf5b95731407bc7ca5d84.001.1","noaa_urn:oid:2.49.0.1.840.0.89f40cb3cdcb7a5b8e6393193c62082e59280d65.001.1"] |
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 Gadsden?
Calamity.live data shows a weather event with CalamityScore 43/100, near Gadsden (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.