Right now
The most recent data we hold from NOAA arrived 13 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 1 June 2026 at 10:51 UTC. It is kept here as a record.
It is the 23rd strongest of the 51 detections recorded within 20 km of this point since 15 March 2026. 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 1 at 5:41AM CDT until June 1 at 5:45AM CDT by NWS St Louis MO
An estimated 71,502 people live within 50 km of this point.
Nearby, since 15 March 2026
- August 1, 2026 · score 46 · 9.4 km
- March 16, 2026 · score 43 · 13.9 km
- May 18, 2026 · score 22 · 14.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 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) | 39 / 100 |
| Our confidence | 80% |
| Coordinates | 38.4499, -91.1785 |
| Nearest City | Wildwood (47 km) |
| Population Exposed | 71.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-01T10:41:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.d19dd1854011f10e71e2a2b55312b34a |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Crawford, MO; Franklin, MO; Gasconade, MO; Washington, MO; Franklin, MO; Lincoln, MO; St. Charles, MO; Warren, MO |
| Headline | Severe Thunderstorm Warning issued June 1 at 5:41AM CDT until June 1 at 5:45AM CDT by NWS St Louis MO |
| Expires | 2026-06-01T05:51:00-05:00 |
| SenderName | NWS St Louis MO |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d19dd1854011f10e71e2a2b55312b34ae4436c68.001.1","noaa_urn:oid:2.49.0.1.840.0.797b8d4b6f94adffbe0e119b857b2b18d9148dea.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 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.
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