This alert expired on 9 July 2026 at 09:00 UTC. It is kept here as a record.
It is the 15th strongest of the 177 detections recorded within 20 km of this point since 11 March 2026. The last comparable one was on 21 June 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 9 at 3:15AM CDT until July 9 at 4:00AM CDT by NWS Kansas City/Pleasant Hill MO
An estimated 1,692,279 people live within 50 km of this point.
Nearby, since 11 March 2026
- March 11, 2026 · score 58 · 7.3 km
- April 10, 2026 · score 52 · 9.3 km
- March 11, 2026 · score 58 · 9.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 46 out of 100, at 82 % 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) | 46 / 100 |
| Our confidence | 82% |
| Coordinates | 39.2220, -94.7600 |
| Nearest City | Kansas City (17 km) |
| Population Exposed | 1.7M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-09T08:15:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Johnson, KS; Leavenworth, KS; Wyandotte, KS; Clay, MO; Clinton, MO; Jackson, MO; Platte, MO |
| Headline | Severe Thunderstorm Warning issued July 9 at 3:15AM CDT until July 9 at 4:00AM CDT by NWS Kansas City/Pleasant Hill MO |
| Expires | 2026-07-09T04:00:00-05:00 |
| SenderName | NWS Kansas City/Pleasant Hill 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 46/100, near Kansas City (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.