This alert expired on 15 March 2026 at 21:00 UTC. It is kept here as a record.
No stronger detection stands among the 7 recorded within 20 km of this point since 15 March 2026 — 3 others scored the same.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 15 at 3:11PM CDT until March 15 at 4:00PM CDT by NWS St Louis MO
An estimated 35,080 people live within 50 km of this point.
Nearby, since 15 March 2026
- July 31, 2026 · score 34 · 11.0 km
- August 12, 2026 · score 34 · 15.5 km
- August 12, 2026 · score 34 · 18.5 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 83 % 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 | 83% |
| Coordinates | 37.6048, -91.6481 |
| Nearest City | Rolla (40 km) |
| Population Exposed | 35.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-15T20:11:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe-Thunderstorm-Warning_noaa_urn-oid-2_49_0_1_840_0_a3e543324f39144990f5ed21a7e04e56 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Franklin, MO; Warren, MO; Dent, MO; Douglas, MO; Howell, MO; Oregon, MO; Phelps, MO; Pulaski, MO; Shannon, MO; Texas, MO; Wright, MO; Douglas, MO; Howell, MO; Oregon, MO; Ozark, MO; Taney, MO |
| Headline | Severe Thunderstorm Warning issued March 15 at 3:11PM CDT until March 15 at 4:00PM CDT by NWS St Louis MO |
| Expires | 2026-03-15T16:00:00-05:00 |
| SenderName | NWS St Louis MO |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.a3e543324f39144990f5ed21a7e04e56d3ef1268.001.1","noaa_urn:oid:2.49.0.1.840.0.f1c2ab9ebd88fc10a093327335ea712e27264911.001.1","noaa_urn:oid:2.49.0.1.840.0.4fa322a2ee24e711f2ec46e7833f30ff89e89731.001.1"] |
| Iem TypeSummary | O |
| Iem City | Belgrade |
| Iem County | Washington |
| Iem State | MO |
| Iem Wfo | LSX |
| Iem Remark | Estimated time of damage between 10:30 and 11:30 a.m., concrete statue of cow blown over and a flag post snapped in half near Belgrade. |
| MergedSources | [{"id":"iem_O_37.790_-90.840_1773590400000","source":"iem","severity":"low","severityValue":25,"timestamp":1773590400000,"latitude":37.79,"longitude":-90.84}] |
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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.