This alert expired on 9 June 2026 at 09:00 UTC. It is kept here as a record.
It is the 38th strongest of the 109 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 8 June 2026. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Watch issued June 9 at 1:27AM CDT until June 9 at 4:00AM CDT by NWS Springfield MO
An estimated 42,595 people live within 50 km of this point.
Nearby, since 15 March 2026
- August 1, 2026 · score 46 · 0.0 km
- July 21, 2026 · score 28 · 0.0 km
- July 9, 2026 · score 34 · 0.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 out of 100, at 81 % 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) | 34 / 100 |
| Our confidence | 81% |
| Coordinates | 38.5000, -92.3000 |
| Nearest City | Jefferson City (14 km) |
| Population Exposed | 42.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-09T06:27:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.1a7ccaff92ef2755683d3b41dc76a1a0936d941d.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Benton, MO; Camden, MO; Hickory, MO; Morgan, MO |
| Headline | Severe Thunderstorm Watch issued June 9 at 1:27AM CDT until June 9 at 4:00AM CDT by NWS Springfield MO |
| Expires | 2026-06-09T04:00:00-05:00 |
| SenderName | NWS Springfield MO |
| HasExactCoords | false |
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 34/100, near Jefferson City (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.