This alert expired on 1 June 2026 at 21:15 UTC. It is kept here as a record.
No stronger detection stands among the 39 recorded within 20 km of this point since 10 March 2026 — 25 others scored the same. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 1 at 3:35PM CDT until June 1 at 4:15PM CDT by NWS Birmingham AL
An estimated 515,752 people live within 50 km of this point.
Nearby, since 10 March 2026
- March 16, 2026 · score 48 · 13.6 km
- March 10, 2026 · score 48 · 13.7 km
- August 9, 2026 · score 48 · 14.3 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 | 33.2689, -86.8523 |
| Nearest City | Helena (4 km) |
| Population Exposed | 515.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-01T20:35:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Greene, AL; Hale, AL; Sumter, AL; Pickens, AL; Tuscaloosa, AL; Calhoun, AL; Jefferson, AL; St. Clair, AL; Shelby, AL; Talladega, AL and 5 more areas |
| Headline | Severe Thunderstorm Warning issued June 1 at 3:35PM CDT until June 1 at 4:15PM CDT by NWS Birmingham AL |
| Expires | 2026-06-01T16:15:00-05:00 |
| SenderName | NWS Birmingham AL |
| HasExactCoords | true |
| MergedCount | 8 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.6d2276cc382fda0934bd09f2523462715206a191.001.1","noaa_urn:oid:2.49.0.1.840.0.a8bca48983a26d48cae619b068eee3485eae6875.001.1","noaa_urn:oid:2.49.0.1.840.0.b3a8dc9f1bb47e1761e70ce3864b972906db66d5.001.1","noaa_urn:oid:2.49.0.1.840.0.4d09088b2d24b20b7b025afb9477e6b4771942be.001.1","noaa_urn:oid:2.49.0.1.840.0.5b2a347eb94d6618e9368195370c9944058e4916.001.1","noaa_urn:oid:2.49.0.1.840.0.17d90fedb0039076d5714e2684dcf2dc004a36eb.001.1","noaa_urn:oid:2.49.0.1.840.0.de7b57cc15a1710a948ae8d1ce71679490e6912a.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.
Calamity.live data shows a weather event with CalamityScore 48/100, near Helena (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.