Right now
The most recent data we hold from NOAA arrived 5 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
2 other detections within 20 km in the last 24 hours, the nearest 10 km from here.
This alert expired on 10 September 2026 at 02:30 UTC. It is kept here as a record.
It is the 8th strongest of the 24 detections recorded within 20 km of this point since 16 April 2026. The last comparable one was on 10 July 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 9 at 8:53PM CDT until September 9 at 9:30PM CDT by NWS Springfield MO
An estimated 42,595 people live within 50 km of this point.
Nearby, since 16 April 2026
- July 4, 2026 · score 34 · 14.9 km
- July 4, 2026 · score 43 · 18.0 km
- September 10, 2026 · score 28 · 21.5 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 28 out of 100, at 86 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 28 / 100 |
| Our confidence | 86% |
| Coordinates | 38.5481, -92.6015 |
| Nearest City | Jefferson City (38 km) |
| Population Exposed | 42.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-10T01:53:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.ac1b27b0b92d982feb50152d6fc74a48b72b7e0e.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Miller, MO; Morgan, MO; Cole, MO; Moniteau, MO |
| Headline | Severe Thunderstorm Warning issued September 9 at 8:53PM CDT until September 9 at 9:30PM CDT by NWS Springfield MO |
| Expires | 2026-09-09T21:30:00-05:00 |
| SenderName | NWS Springfield MO |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ac1b27b0b92d982feb50152d6fc74a48b72b7e0e.001.1","noaa_urn:oid:2.49.0.1.840.0.9aee355b99b4eec9383360e637ec8ba730cfa15f.001.1"] |
| Spc ReportType | wind |
| Spc Speed | 58 |
| Spc Location | 4 NE Ashland |
| Spc County | Boone |
| Spc State | MO |
| Spc Comments | Gust measured by KCOU ASOS. (LSX) |
| MergedSources | [{"id":"spc_wind_38.82_-92.22_32","source":"spc","severity":"medium","severityValue":45,"timestamp":1789005840000,"latitude":38.82,"longitude":-92.22}] |
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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