Right now
The most recent data we hold from NOAA arrived 2 minutes ago, and this point is in it.
One other detection within 20 km in the last 24 hours, 21 km from here.
This alert expired on 9 September 2026 at 23:45 UTC. It is kept here as a record.
It is the 83rd strongest of the 160 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 7 September 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 9 at 5:54PM CDT until September 9 at 6:45PM CDT by NWS Kansas City/Pleasant Hill MO
An estimated 677,207 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 4, 2026 · score 52 · 7.2 km
- September 7, 2026 · score 49 · 8.5 km
- June 10, 2026 · score 48 · 11.3 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 41 out of 100, at 86 % 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 | Medium |
| Calamity Score (ours) | 41 / 100 |
| Our confidence | 86% |
| Coordinates | 38.6327, -94.3834 |
| Nearest City | Raymore (19 km) |
| Population Exposed | 677.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-09T22:54:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.c2f9d4a25295fcabc12e81518d19aee393bc6b2e.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cass, MO; Johnson, MO; Miami, KS; Cass, MO |
| Headline | Severe Thunderstorm Warning issued September 9 at 5:54PM CDT until September 9 at 6:45PM CDT by NWS Kansas City/Pleasant Hill MO |
| Expires | 2026-09-09T18:45:00-05:00 |
| SenderName | NWS Kansas City/Pleasant Hill MO |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c2f9d4a25295fcabc12e81518d19aee393bc6b2e.001.1","noaa_urn:oid:2.49.0.1.840.0.1580d4a2e96930bb0e71e56f30f89b3092b4a963.002.1"] |
| Heat Gov Event | Heat Advisory |
| Heat Gov Urgency | Expected |
| Heat Gov Certainty | Likely |
| Heat Gov Onset | 2026-09-09T12:00:00-05:00 |
| Heat Gov Expires | 2026-09-09T11:45:00-05:00 |
| Heat Gov AreaDesc | Linn; Pettis; Bates; Henry |
| Heat Gov SenderName | NWS Kansas City/Pleasant Hill MO |
| Heat Gov ZonesUsedForCentroid | 4 |
| Heat Gov ZoneCount | 4 |
| MergedSources | [{"id":"heat_gov_38.4_-94.0_heat_advisory_2026-09-09","source":"heat_gov","severity":"medium","severityValue":50,"timestamp":1788973200000,"latitude":38.391758161177485,"longitude":-94.03139785778511}] |
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.
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