This alert expired on 6 August 2026 at 05:45 UTC. It is kept here as a record.
It is the 21st strongest of the 129 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 10 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 1,646,223 people live within 50 km of this point.
Nearby, since 15 March 2026
- April 14, 2026 · score 52 · 6.4 km
- July 9, 2026 · score 52 · 8.7 km
- June 1, 2026 · score 52 · 9.9 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 | 38.8020, -94.4960 |
| Nearest City | Belton (3 km) |
| Population Exposed | 1.6M 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; Johnson, KS; Miami, KS; Cass, MO; Jackson, 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 |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.910359c89f19ae1998c6f87d5188a16b8eaeef31.001.1","noaa_urn:oid:2.49.0.1.840.0.4e6c764296169ffdde82b58946acdae171216fb8.002.1"] |
| 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 Belton (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 194 scientific monitoring sources.