This alert expired on 12 March 2026 at 06:00 UTC. It is kept here as a record.
No stronger detection stands among the 13 recorded within 20 km of this point since 12 March 2026 — 5 others scored the same.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 12 at 12:41AM CDT until March 12 at 1:00AM CDT by NWS Birmingham AL
An estimated 246,021 people live within 50 km of this point.
Nearby, since 12 March 2026
- June 1, 2026 · score 43 · 19.2 km
- July 9, 2026 · score 22 · 22.5 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 78 % 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) | 43 / 100 |
| Our confidence | 78% |
| Coordinates | 32.7982, -86.2318 |
| Nearest City | Millbrook (37 km) |
| Population Exposed | 246.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-12T05:41:00.000Z |
| Source | https://api.weather.gov/alerts/urn-oid-2_49_0_1_840_0_58b9173433a6cdc96c433043d18a32deea151563_002_1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Coosa, AL; Elmore, AL |
| Headline | Severe Thunderstorm Warning issued March 12 at 12:41AM CDT until March 12 at 1:00AM CDT by NWS Birmingham AL |
| Expires | 2026-03-12T01:00:00-05:00 |
| SenderName | NWS Birmingham AL |
| 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 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 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.