This alert expired on 1 June 2026 at 21:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 9 detections recorded within 20 km of this point since 10 March 2026. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 1 at 3:12PM CDT until June 1 at 4:00PM CDT by NWS Birmingham AL
An estimated 614,184 people live within 50 km of this point.
Nearby, since 10 March 2026
- May 22, 2026 · score 72 · 7.5 km
- June 1, 2026 · score 48 · 15.4 km
- March 10, 2026 · score 48 · 16.7 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 80 % 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 | 80% |
| Coordinates | 33.2727, -87.0823 |
| Nearest City | Bessemer (19 km) |
| Population Exposed | 614.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-01T20:12:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.17d90fedb0039076d5714e2684dcf2dc |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Chilton, AL; Clay, AL; Cleburne, AL; Coosa, AL; Shelby, AL; Talladega, AL; Tallapoosa, AL; Pickens, AL; Tuscaloosa, AL; Calhoun, AL; Jefferson, AL; St. Clair, AL; Shelby, AL; Talladega, AL and 4 more areas |
| Headline | Severe Thunderstorm Warning issued June 1 at 3:12PM CDT until June 1 at 4:00PM CDT by NWS Birmingham AL |
| Expires | 2026-06-01T16:00:00-05:00 |
| SenderName | NWS Birmingham AL |
| HasExactCoords | true |
| MergedCount | 7 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.17d90fedb0039076d5714e2684dcf2dc004a36eb.001.1","noaa_urn:oid:2.49.0.1.840.0.c2bde2ef102f1100c01e1fb4868f809f7f3207d3.001.1","noaa_urn:oid:2.49.0.1.840.0.f9672fddea0e4ae2d1a6315f5f0d99ecd558d1bd.002.1","noaa_urn:oid:2.49.0.1.840.0.de7b57cc15a1710a948ae8d1ce71679490e6912a.001.1","noaa_urn:oid:2.49.0.1.840.0.e19225b37f2c8834bea80093f6747806ec72bd83.001.1","noaa_urn:oid:2.49.0.1.840.0.a00d3fa99abdca399a01c3adfac7a16e673cb6e9.001.1","noaa_urn:oid:2.49.0.1.840.0.6ed8ce651755fb43f97f267f35988100baa4fa5f.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.
Want to know when something happens near Bessemer?
Calamity.live data shows a weather event with CalamityScore 48/100, near Bessemer (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.