Right now
The most recent data we hold from SPC arrived 1 hour ago, and this point is in it.
13 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
Reported by SPC today.
It is the 13th strongest of the 74 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 8 September 2026. 14 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Wind 58 kt near 4 NE Ashland, Boone, MO. Gust measured by KCOU ASOS. (LSX)
An estimated 171,925 people live within 50 km of this point.
Nearby, since 15 March 2026
- September 10, 2026 · score 37 · 0.0 km
- June 12, 2026 · score 37 · 9.2 km
- June 11, 2026 · score 37 · 9.9 km
How we know
Confirmed by 2 independent sources, including SPC.
Our own score for this event is 37 out of 100, at 72 % 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) | 37 / 100 |
| Our confidence | 72% |
| Coordinates | 38.8200, -92.2200 |
| Nearest City | Columbia (17 km) |
| Population Exposed | 171.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-10T02:04:00.000Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | 58 |
| Location | 4 NE Ashland |
| County | Boone |
| State | MO |
| Comments | Gust measured by KCOU ASOS. (LSX) |
| Iem TypeSummary | G |
| Iem Magnitude | 58 |
| Iem Unit | MPH |
| Iem City | 4 NE Ashland |
| Iem County | Boone |
| Iem State | MO |
| Iem Wfo | LSX |
| Iem Remark | Gust measured by KCOU ASOS. |
| MergedSources | [{"id":"iem_G_38.820_-92.220_1789005840000","source":"iem","severity":"low","severityValue":25,"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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