This alert expired on 14 June 2026 at 04:49 UTC. It is kept here as a record.
No stronger detection stands among the 52 recorded within 20 km of this point since 16 March 2026 — 7 others scored the same. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 13 at 11:39PM CDT until June 13 at 11:45PM CDT by NWS St Louis MO
An estimated 171,925 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 24, 2026 · score 43 · 12.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 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) | 43 / 100 |
| Our confidence | 81% |
| Coordinates | 38.7990, -92.4086 |
| Nearest City | Columbia (18 km) |
| Population Exposed | 171.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-14T04:39:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.13bfc271eeb1cd06bf7e142ff4f25d17 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Moniteau, MO; Boone, MO |
| Headline | Severe Thunderstorm Warning issued June 13 at 11:39PM CDT until June 13 at 11:45PM CDT by NWS St Louis MO |
| Expires | 2026-06-13T23:49:00-05:00 |
| SenderName | NWS St Louis MO |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.13bfc271eeb1cd06bf7e142ff4f25d17d79b7981.001.1","noaa_urn:oid:2.49.0.1.840.0.129116331395775b04fba0dd9dce068350137c0f.001.1"] |
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 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 43/100, near Columbia (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.