This alert expired on 6 August 2026 at 05:45 UTC. It is kept here as a record.
It is the 22nd strongest of the 98 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 6 at 12:04AM CDT until August 6 at 12:45AM CDT by NWS Kansas City/Pleasant Hill MO
An estimated 1,655,805 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 9, 2026 · score 52 · 4.2 km
- April 14, 2026 · score 52 · 7.9 km
- May 19, 2026 · score 76 · 8.0 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 46 out of 100, at 86 % 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 | 86% |
| Coordinates | 38.8220, -94.3520 |
| Nearest City | Raymore (9 km) |
| Population Exposed | 1.7M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-06T05:04:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cass, MO; Jackson, MO; Johnson, MO; Lafayette, MO |
| Headline | Severe Thunderstorm Warning issued August 6 at 12:04AM CDT until August 6 at 12:45AM CDT by NWS Kansas City/Pleasant Hill MO |
| Expires | 2026-08-06T00:45:00-05:00 |
| SenderName | NWS Kansas City/Pleasant Hill MO |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 1.25 |
| Iem Unit | Inch |
| Iem City | 1 NE Stillwell |
| Iem County | Johnson |
| Iem State | KS |
| Iem Wfo | EAX |
| Iem Remark | Report from mPING: Half Dollar (1.25 in.). Time confirmed from radar. |
| MergedSources | [{"id":"iem_H_38.790_-94.640_1785992100000","source":"iem","severity":"low","severityValue":25,"timestamp":1785992100000,"latitude":38.79,"longitude":-94.64}] |
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 Raymore (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.