This alert expired on 1 June 2026 at 18:15 UTC. It is kept here as a record.
No stronger detection stands among the 45 recorded within 20 km of this point since 10 March 2026 — 3 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 12:55PM CDT until June 1 at 1:15PM CDT by NWS Huntsville AL
An estimated 156,162 people live within 50 km of this point.
Nearby, since 10 March 2026
- August 9, 2026 · score 43 · 12.7 km
- July 9, 2026 · score 39 · 14.4 km
- August 9, 2026 · score 39 · 16.0 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 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) | 43 / 100 |
| Our confidence | 81% |
| Coordinates | 34.4818, -87.3492 |
| Nearest City | Decatur (37 km) |
| Population Exposed | 156.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-01T17:55:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Colbert, AL; Lawrence, AL; Limestone, AL; Madison, AL; Marion, AL; DeKalb, AL; Jackson, AL; Lawrence, AL; Limestone, AL; Madison, AL; Marshall, AL; Morgan, AL and 1 more areas |
| Headline | Severe Thunderstorm Warning issued June 1 at 12:55PM CDT until June 1 at 1:15PM CDT by NWS Huntsville AL |
| Expires | 2026-06-01T13:15:00-05:00 |
| SenderName | NWS Huntsville AL |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.bf72b28fe0c467e8bb3c7167653a161ba3984a40.002.1","noaa_urn:oid:2.49.0.1.840.0.bdc265300f0c26ec0e6de85d6e5ef59f1b991d12.001.1","noaa_urn:oid:2.49.0.1.840.0.8dfa062e01cce1c081e11b52bc72c32c9ed6f0a2.001.1","noaa_urn:oid:2.49.0.1.840.0.4ddc3b291c4f47b22f6d684ec721ac1f41b4112a.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 43/100, near Decatur (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.