This alert expired on 15 March 2026 at 22:00 UTC. It is kept here as a record.
It is the strongest of the 14 detections recorded within 20 km of this point since 15 March 2026.
What the source measured
NOAA reported: Tornado Warning issued March 15 at 4:32PM CDT until March 15 at 5:00PM CDT by NWS Springfield MO
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 46 out of 100, at 68 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | critical |
| Calamity Score (ours) | 46 / 100 |
| Our confidence | 68% |
| Coordinates | 37.5200, -91.2492 |
| Nearest City | Rolla (66 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-15T21:32:00.000Z |
| Source | https://api.weather.gov/alerts/urn-oid-2_49_0_1_840_0_979f57947801d645f6bdb6d75715944366595865_001_1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Dent, MO; Shannon, MO |
| Headline | Tornado Warning issued March 15 at 4:32PM CDT until March 15 at 5:00PM CDT by NWS Springfield MO |
| Expires | 2026-03-15T17:00:00-05:00 |
| SenderName | NWS Springfield MO |
| HasExactCoords | true |
| 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_H_38.150_-91.240_1773607980000","source":"iem","severity":"low","severityValue":25,"timestamp":1773607980000,"latitude":38.15,"longitude":-91.24},{"id":"iem_H_38.060_-91.400_1773607320000","source":"iem","severity":"low","severityValue":25,"timestamp":1773607320000,"latitude":38.06,"longitude":-91.4},{"id":"iem_O_37.790_-90.840_1773590400000","source":"iem","severity":"low","severityValue":25,"timestamp":1773590400000,"latitude":37.79,"longitude":-90.84}] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
Series begins 10 February 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.
Calamity.live data shows a weather event with CalamityScore 46/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.