This alert expired on 21 June 2026 at 10:45 UTC. It is kept here as a record.
It is the 21st strongest of the 101 detections recorded within 20 km of this point since 12 March 2026. The last comparable one was on 18 June 2026. 25 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 21 at 5:09AM CDT until June 21 at 5:45AM CDT by NWS Kansas City/Pleasant Hill MO
An estimated 529,877 people live within 50 km of this point.
Nearby, since 12 March 2026
- May 19, 2026 · score 76 · 12.6 km
- June 18, 2026 · score 37 · 12.8 km
- June 17, 2026 · score 37 · 12.8 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 48 out of 100, at 84 % 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) | 48 / 100 |
| Our confidence | 84% |
| Coordinates | 38.7440, -94.1370 |
| Nearest City | Raymore (28 km) |
| Population Exposed | 529.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-21T10:09:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Bates, MO; Cass, MO; Henry, MO; Johnson, MO |
| Headline | Severe Thunderstorm Warning issued June 21 at 5:09AM CDT until June 21 at 5:45AM CDT by NWS Kansas City/Pleasant Hill MO |
| Expires | 2026-06-21T05:45:00-05:00 |
| SenderName | NWS Kansas City/Pleasant Hill MO |
| HasExactCoords | true |
| Google News RssFeed | weather |
| Google News SourceName | KMBC |
| MergedSources | [{"id":"gnews_weather_495005_128","source":"google_news","severity":"medium","severityValue":40,"timestamp":1782019200000,"latitude":39.1,"longitude":-94.58}] |
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 48/100, near Raymore (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.