This alert expired on 13 August 2026 at 20:30 UTC. It is kept here as a record.
No stronger detection stands among the 37 recorded within 20 km of this point since 12 March 2026 — 25 others scored the same. The last comparable one was on 6 July 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 13 at 2:55PM CDT until August 13 at 3:30PM CDT by NWS Birmingham AL
An estimated 336,078 people live within 50 km of this point.
Nearby, since 12 March 2026
- August 13, 2026 · score 43 · 4.7 km
- June 23, 2026 · score 43 · 14.7 km
- March 12, 2026 · score 43 · 15.8 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 | 32.6020, -85.1770 |
| Nearest City | Opelika (20 km) |
| Population Exposed | 336.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-13T19:55:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.10ae89ebb87cf94a043f9e624b5a8ef144e36773.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Lee, AL |
| Headline | Severe Thunderstorm Warning issued August 13 at 2:55PM CDT until August 13 at 3:30PM CDT by NWS Birmingham AL |
| Expires | 2026-08-13T15:30:00-05:00 |
| 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, near Opelika (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.