This alert expired on 19 July 2026 at 18:30 UTC. It is kept here as a record.
No stronger detection stands among the 125 recorded within 20 km of this point since 10 March 2026 — 82 others scored the same. The last comparable one was on 4 July 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 19 at 12:54PM CDT until July 19 at 1:30PM CDT by NWS Birmingham AL
An estimated 538,692 people live within 50 km of this point.
Nearby, since 10 March 2026
- August 9, 2026 · score 48 · 2.7 km
- August 7, 2026 · score 41 · 4.2 km
- July 25, 2026 · score 48 · 5.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 48 out of 100, at 81 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 48 / 100 |
| Our confidence | 81% |
| Coordinates | 33.5626, -86.7947 |
| Nearest City | Birmingham (5 km) |
| Population Exposed | 538.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-19T17:54:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | St. Clair, AL; Talladega, AL; Fayette, AL; Walker, AL |
| Headline | Severe Thunderstorm Warning issued July 19 at 12:54PM 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.ba8a017f32d2303fdbfde64742f737d29b4509f4.001.1","noaa_urn:oid:2.49.0.1.840.0.31fd60581f69d951072346037028693d075e1328.001.1"] |
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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 48/100, near Birmingham (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.