This alert expired on 21 June 2026 at 13:30 UTC. It is kept here as a record.
No stronger detection stands among the 26 recorded within 20 km of this point since 2 April 2026 — 5 others scored the same. The last comparable one was on 12 June 2026. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 21 at 7:51AM CDT until June 21 at 8:30AM CDT by NWS Springfield MO
An estimated 21,516 people live within 50 km of this point.
Nearby, since 2 April 2026
- July 4, 2026 · score 34 · 16.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 out of 100, at 81 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 34 / 100 |
| Our confidence | 81% |
| Coordinates | 38.4692, -92.8500 |
| Nearest City | Sedalia (42 km) |
| Population Exposed | 21.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-21T12:51:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.2fde5c2c9e52a1275d536e5f498fe5abbb206464.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Morgan, MO |
| Headline | Severe Thunderstorm Warning issued June 21 at 7:51AM CDT until June 21 at 8:30AM CDT by NWS Springfield MO |
| Expires | 2026-06-21T08:30:00-05:00 |
| SenderName | NWS Springfield MO |
| HasExactCoords | true |
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 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 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.