This alert expired on 22 June 2026 at 01:00 UTC. It is kept here as a record.
It is the 23rd strongest of the 104 detections recorded within 20 km of this point since 2 April 2026. Another comparable one was recorded here earlier the same day. 36 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued June 20 at 7:59PM CDT until June 24 at 3:00PM CDT by NWS Kansas City/Pleasant Hill MO
An estimated 158,563 people live within 50 km of this point.
Nearby, since 2 April 2026
- August 6, 2026 · score 37 · 0.0 km
- June 3, 2026 · score 43 · 2.7 km
- June 18, 2026 · score 37 · 7.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 79 % 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) | 43 / 100 |
| Our confidence | 79% |
| Coordinates | 38.5967, -94.0483 |
| Nearest City | Warrensburg (32 km) |
| Population Exposed | 158.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-21T16:38:00.000Z |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Expected |
| Certainty | Likely |
| AreaDesc | Cass, MO; Henry, MO; Johnson, MO |
| Headline | Flood Warning issued June 20 at 7:59PM CDT until June 24 at 3:00PM CDT by NWS Kansas City/Pleasant Hill MO |
| Expires | 2026-06-21T20:00:00-05:00 |
| SenderName | NWS Kansas City/Pleasant Hill MO |
| HasExactCoords | true |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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 43/100, near Warrensburg (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.