Right now
The most recent data we hold from NOAA arrived 2 hours ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 1 June 2026 at 01:00 UTC. It is kept here as a record.
It is the 6th strongest of the 55 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 31 at 7:50PM CDT until May 31 at 8:00PM CDT by NWS Huntsville AL
An estimated 234,134 people live within 50 km of this point.
Nearby, since 16 March 2026
- August 6, 2026 · score 43 · 4.3 km
- March 16, 2026 · score 43 · 11.3 km
- June 1, 2026 · score 43 · 12.1 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 79 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 79% |
| Coordinates | 35.0087, -86.3459 |
| Nearest City | Huntsville (38 km) |
| Population Exposed | 234.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-01T00:50:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.77a7aeae8d618ac139bb9fdd47b88036 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Jackson, AL; Franklin, TN; Lincoln, TN; Moore, TN; Jackson, AL; Madison, AL; Franklin, TN; Lincoln, TN |
| Headline | Severe Thunderstorm Warning issued May 31 at 7:50PM CDT until May 31 at 8:00PM CDT by NWS Huntsville AL |
| Expires | 2026-05-31T20:00:00-05:00 |
| SenderName | NWS Huntsville AL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.77a7aeae8d618ac139bb9fdd47b8803630c84f6b.001.1","noaa_urn:oid:2.49.0.1.840.0.a97a3517826d9850d4f50633a0a76622be4d3a1e.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 8 March 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.
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