Right now
The most recent data we hold from NOAA arrived 17 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 31 May 2026 at 20:45 UTC. It is kept here as a record.
No stronger detection stands among the 51 recorded within 20 km of this point since 15 March 2026 — 21 others scored the same. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 31 at 3:34PM CDT until May 31 at 3:45PM CDT by NWS Paducah KY
An estimated 17,266 people live within 50 km of this point.
Nearby, since 15 March 2026
- July 10, 2026 · score 34 · 12.3 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 91 % 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) | 34 / 100 |
| Our confidence | 91% |
| Coordinates | 37.1673, -90.2523 |
| Nearest City | Poplar Bluff (47 km) |
| Population Exposed | 17.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-31T20:34:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.d8f60090dbfec8142877ee220decf8ef |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Butler, MO; Carter, MO; Ripley, MO; Wayne, MO; Bollinger, MO; Butler, MO; Cape Girardeau, MO; Stoddard, MO; Wayne, MO; Bollinger, MO; Cape Girardeau, MO; Perry, MO |
| Headline | Severe Thunderstorm Warning issued May 31 at 3:34PM CDT until May 31 at 3:45PM CDT by NWS Paducah KY |
| Expires | 2026-05-31T15:45:00-05:00 |
| SenderName | NWS Paducah KY |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d8f60090dbfec8142877ee220decf8ef334a1aa4.001.1","noaa_urn:oid:2.49.0.1.840.0.7d38542ffecfc04766e4d094caba7e0c385dfc80.001.1","noaa_urn:oid:2.49.0.1.840.0.fd3c9a2640b7b26cd8136cffdd2fdff5aa233852.001.1"] |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 2 WSW Libertyville |
| Spc County | St. Francois |
| Spc State | MO |
| Spc Comments | Estimated 50-60 mph winds with small tree limbs down and debris on DD between OO and Highway 67. (LSX) |
| Iem TypeSummary | D |
| Iem City | 1 NNW Catherine Place |
| Iem County | Madison |
| Iem State | MO |
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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