Right now
The most recent data we hold from NOAA arrived 15 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 12 June 2026 at 01:15 UTC. It is kept here as a record.
It is the 4th strongest of the 16 detections recorded within 20 km of this point since 4 April 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 11 at 7:25PM CDT until June 11 at 8:15PM CDT by NWS St Louis MO
An estimated 171,925 people live within 50 km of this point.
Nearby, since 4 April 2026
- June 11, 2026 · score 37 · 17.5 km
- June 12, 2026 · score 37 · 17.8 km
- July 10, 2026 · score 43 · 19.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 37 out of 100, at 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 37 / 100 |
| Our confidence | 80% |
| Coordinates | 38.7738, -91.9152 |
| Nearest City | Jefferson City (31 km) |
| Population Exposed | 171.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-12T00:25:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.6e4fac9f8eea1861bfa20fd55eca2ab7 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Callaway, MO; Montgomery, MO; Callaway, MO |
| Headline | Severe Thunderstorm Warning issued June 11 at 7:25PM CDT until June 11 at 8:15PM CDT by NWS St Louis MO |
| Expires | 2026-06-11T20:15:00-05:00 |
| SenderName | NWS St Louis MO |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.6e4fac9f8eea1861bfa20fd55eca2ab7b9d6b5f4.001.1","noaa_urn:oid:2.49.0.1.840.0.d1057be9dbbd1248800c8282fdf6a61e08ae47db.002.1"] |
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 in this area?
Calamity.live data shows a weather event with CalamityScore 37/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.