Right now
The most recent data we hold from NOAA arrived 3 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 21:19 UTC. It is kept here as a record.
It is the 3rd strongest of the 34 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 31 at 4:09PM CDT until May 31 at 4:15PM CDT by NWS Paducah KY
An estimated 17,266 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 26, 2026 · score 34 · 0.2 km
- July 10, 2026 · score 34 · 12.3 km
- July 11, 2026 · score 34 · 16.0 km
How we know
Confirmed by 6 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 90 % 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 | 90% |
| Coordinates | 36.9472, -90.2279 |
| Nearest City | Poplar Bluff (25 km) |
| Population Exposed | 17.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-31T21:09:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.bed56a606782841eab78bb0e442dc6b6 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Bollinger, MO; Butler, MO; Cape Girardeau, MO; Stoddard, MO; Wayne, MO; Butler, MO; Carter, MO; Ripley, MO; Wayne, MO; Butler, MO; Ripley, MO; Stoddard, MO and 1 more areas |
| Headline | Severe Thunderstorm Warning issued May 31 at 4:09PM CDT until May 31 at 4:15PM CDT by NWS Paducah KY |
| Expires | 2026-05-31T16:19:00-05:00 |
| SenderName | NWS Paducah KY |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.bed56a606782841eab78bb0e442dc6b61d8d085b.001.1","noaa_urn:oid:2.49.0.1.840.0.0421fd4adc5f957d63e2f05a262dcc1fb194cd55.001.1","noaa_urn:oid:2.49.0.1.840.0.f672830890c605a7ba8c76c02f17c99ce3eed58e.001.1","noaa_urn:oid:2.49.0.1.840.0.23543d2487715bd44a46263799cecb7ba5f68f58.002.1"] |
| Spc ReportType | wind |
| Spc Speed | 60 |
| Spc Location | 1 N Delta |
| Spc County | Cape Girardeau |
| Spc State | MO |
| Spc Comments | Tree limbs down 1.5 miles north of Delta. (PAH) |
| Iem TypeSummary | D |
| Iem City | 4 S Lodi |
| Iem County | Wayne |
| 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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