Right now
The most recent data we hold from NOAA arrived 6 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
2 other detections within 20 km in the last 24 hours, the nearest 22 km from here.
This alert expired on 7 September 2026 at 00:45 UTC. It is kept here as a record.
It is the 3rd strongest of the 91 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 6 September 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 6 at 7:26PM CDT until September 6 at 7:45PM CDT by NWS Kansas City/Pleasant Hill MO
An estimated 112,760 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 7, 2026 · score 43 · 18.5 km
- June 5, 2026 · score 63 · 19.9 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 49 out of 100, at 84 % 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) | 49 / 100 |
| Our confidence | 84% |
| Coordinates | 39.7487, -94.9730 |
| Nearest City | Saint Joseph (11 km) |
| Population Exposed | 112.8K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-09-07T00:26:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.a3406b01d26988989d2f4bf804b8f0e4bda700d1.002.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Leavenworth, KS; Platte, MO; Otoe, NE; Caldwell, MO; Daviess, MO; Livingston, MO |
| Headline | Severe Thunderstorm Warning issued September 6 at 7:26PM CDT until September 6 at 7:45PM CDT by NWS Kansas City/Pleasant Hill MO |
| Expires | 2026-09-06T19:45:00-05:00 |
| SenderName | NWS Kansas City/Pleasant Hill MO |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.a3406b01d26988989d2f4bf804b8f0e4bda700d1.002.1","noaa_urn:oid:2.49.0.1.840.0.7f303177e4802b9fa98e9f8922255c62881d146f.001.1","noaa_urn:oid:2.49.0.1.840.0.082c1b8b40dbd978dede4c454d975daab3bf99c8.001.1","noaa_urn:oid:2.49.0.1.840.0.984ceaef80a2ac5551348c916f4b9f5da854f014.001.1"] |
| Spc ReportType | hail |
| Spc Speed | 100 |
| Spc Location | 5 SE Winchester |
| Spc County | Jefferson |
| Spc State | KS |
| Spc Comments | (TOP) |
| MergedSources | [{"id":"spc_wind_39.27_-95.19_81","source":"spc","severity":"medium","severityValue":45,"timestamp":1788741256289,"latitude":39.27,"longitude":-95.19},{"id":"spc_hail_39.27_-95.19_97","source":"spc","severity":"high","severityValue":65,"timestamp":1788741256289,"latitude":39.27,"longitude":-95.19}] |
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 Saint Joseph?
Calamity.live data shows a weather event with CalamityScore 49/100, near Saint Joseph (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.