Right now
The most recent data we hold from NOAA arrived 1 minute 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 11 km from here.
This alert expired on 10 September 2026 at 02:34 UTC. It is kept here as a record.
It is the 80th strongest of the 102 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 9 at 9:24PM 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 15 March 2026
- July 4, 2026 · score 43 · 15.9 km
- August 1, 2026 · score 46 · 18.3 km
- July 21, 2026 · score 28 · 18.3 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 | 38.3908, -92.4571 |
| Nearest City | Jefferson City (33 km) |
| Population Exposed | 42.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-10T02:24:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.7e32b39a4c822613fa18ad9ee8bf428949dc4244.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Miller, MO; Cole, MO |
| Headline | Severe Thunderstorm Warning issued September 9 at 9:24PM CDT until September 9 at 9:30PM CDT by NWS Springfield MO |
| Expires | 2026-09-09T21:34:00-05:00 |
| SenderName | NWS Springfield MO |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.7e32b39a4c822613fa18ad9ee8bf428949dc4244.001.1","noaa_urn:oid:2.49.0.1.840.0.235891fdb93a76b0067a5ff57c8e3dd6f42b71f5.002.1"] |
| 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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