Right now
The most recent data we hold from NOAA arrived 67 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 7 September 2026 at 02:45 UTC. It is kept here as a record.
No stronger detection stands among the 153 recorded within 20 km of this point since 16 March 2026 — 2 others scored the same. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 6 at 9:27PM CDT until September 6 at 9:45PM CDT by NWS Kansas City/Pleasant Hill MO
An estimated 708,973 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 10, 2026 · score 52 · 5.0 km
- September 7, 2026 · score 54 · 8.9 km
- June 9, 2026 · score 52 · 11.1 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 54 out of 100, at 91 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | High |
| Calamity Score (ours) | 54 / 100 |
| Our confidence | 91% |
| Coordinates | 38.6440, -94.6620 |
| Nearest City | Belton (22 km) |
| Population Exposed | 709.0K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-09-07T02:27:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.050839597a227ad6b73f4583e23e14eaf6054e0b.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Miami, KS; Cass, MO |
| Headline | Severe Thunderstorm Warning issued September 6 at 9:27PM CDT until September 6 at 9:45PM CDT by NWS Kansas City/Pleasant Hill MO |
| Expires | 2026-09-06T21:45:00-05:00 |
| SenderName | NWS Kansas City/Pleasant Hill MO |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.050839597a227ad6b73f4583e23e14eaf6054e0b.001.1","noaa_urn:oid:2.49.0.1.840.0.43a6a127111785b0a2bae38c0d5593b723717f53.001.1"] |
| Spc ReportType | hail |
| Spc Speed | 100 |
| Spc Location | 2 SE Bonner Springs |
| Spc County | Johnson |
| Spc State | KS |
| Spc Comments | Report from mPING: Quarter (1.00 in.). (EAX) |
| Iem TypeSummary | D |
| Iem City | 2 W Raymore |
| Iem County | Cass |
| Iem State | MO |
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 8 March 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.
Want to know when something happens near Belton?
Calamity.live data shows a weather event with CalamityScore 54/100, near Belton (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.