Right now
The most recent data we hold from NOAA arrived 5 minutes 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 00:32 UTC. It is kept here as a record.
No stronger detection stands among the 36 recorded within 20 km of this point since 15 March 2026 — 5 others scored the same. The last comparable one was on 28 April 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 31 at 7:22PM CDT until May 31 at 7:30PM CDT by NWS Memphis TN
An estimated 72,855 people live within 50 km of this point.
Nearby, since 15 March 2026
- July 17, 2026 · score 39 · 15.3 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 39 out of 100, at 89 % 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) | 39 / 100 |
| Our confidence | 89% |
| Coordinates | 35.4169, -87.1601 |
| Nearest City | Columbia (25 km) |
| Population Exposed | 72.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-01T00:22:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.c4558183d1c1169f0a9b779e9c263f88 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Benton, TN; Decatur, TN; Henderson, TN; Jackson, AL; Franklin, TN; Lincoln, TN; Moore, TN |
| Headline | Severe Thunderstorm Warning issued May 31 at 7:22PM CDT until May 31 at 7:30PM CDT by NWS Memphis TN |
| Expires | 2026-05-31T19:32:00-05:00 |
| SenderName | NWS Memphis TN |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c4558183d1c1169f0a9b779e9c263f88b2f4b84d.001.1","noaa_urn:oid:2.49.0.1.840.0.1ab321249b07368e6e2d2f39c1ecab1057ead8c8.001.1"] |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 4 NE Underwood-Petersvi |
| Spc County | Lauderdale |
| Spc State | AL |
| Spc Comments | Multiple trees own along CR 24 near St Florian near the railroad tracks. (HUN) |
| MergedSources | [{"id":"spc_wind_34.88_-87.62_22","source":"spc","severity":"medium","severityValue":45,"timestamp":1780273751584,"latitude":34.88,"longitude":-87.62},{"id":"spc_wind_34.92_-87.65_25","source":"spc","severity":"medium","severityValue":45,"timestamp":1780273751584,"latitude":34.92,"longitude":-87.65}] |
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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