This alert expired on 9 August 2026 at 09:45 UTC. It is kept here as a record.
It is the 15th strongest of the 51 detections recorded within 20 km of this point since 15 April 2026. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 9 at 4:30AM CDT until August 9 at 4:45AM CDT by NWS Kansas City/Pleasant Hill MO
Nearby, since 15 April 2026
- June 10, 2026 · score 46 · 11.1 km
- May 19, 2026 · score 63 · 20.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 62 % 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) | 22 / 100 |
| Our confidence | 62% |
| Coordinates | 40.0787, -94.1713 |
| Nearest City | Saint Joseph (67 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-09T09:30:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.addfeccc3f08a1756466d8b0f80e8feff9b1e6b2.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Daviess, MO; Gentry, MO; Harrison, MO |
| Headline | Severe Thunderstorm Warning issued August 9 at 4:30AM CDT until August 9 at 4:45AM CDT by NWS Kansas City/Pleasant Hill MO |
| Expires | 2026-08-09T04:45:00-05:00 |
| SenderName | NWS Kansas City/Pleasant Hill MO |
| HasExactCoords | true |
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.
Want to know when something happens near Saint Joseph?
Calamity.live data shows a weather event with CalamityScore 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.