This alert expired on 15 March 2026 at 23:30 UTC. It is kept here as a record.
No stronger detection stands among the 106 recorded within 20 km of this point since 15 March 2026 — 7 others scored the same. 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: Tornado Warning issued March 15 at 6:05PM CDT until March 15 at 6:30PM CDT by NWS Paducah KY
An estimated 18,181 people live within 50 km of this point.
Nearby, since 15 March 2026
- March 15, 2026 · score 58 · 6.6 km
- June 1, 2026 · score 39 · 12.5 km
- May 31, 2026 · score 39 · 12.5 km
How we know
Confirmed by 5 independent sources, including NOAA.
Our own score for this event is 58 out of 100, at 87 % 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 | Critical |
| Calamity Score (ours) | 58 / 100 |
| Our confidence | 87% |
| Coordinates | 37.6109, -90.0316 |
| Nearest City | Farmington (39 km) |
| Population Exposed | 18.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-15T23:05:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.2558f5da9164901623fe094f22276b53 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Perry, IL; Randolph, IL; St. Clair, IL; Bollinger, MO and 6 more areas |
| Headline | Tornado Warning issued March 15 at 6:05PM CDT until March 15 at 6:30PM CDT by NWS Paducah KY |
| Expires | 2026-03-15T18:30:00-05:00 |
| SenderName | NWS Paducah KY |
| HasExactCoords | true |
| MergedCount | 9 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.2558f5da9164901623fe094f22276b53a4d51386.001.1","noaa_urn:oid:2.49.0.1.840.0.253957509ccae9cf4c47a528b14244d4502d821a.002.1","noaa_urn:oid:2.49.0.1.840.0.f840caf9fb555408ba518272380921fc82e6fd7c.001.1","noaa_urn:oid:2.49.0.1.840.0.872a2e0bc8ca4d5cc2cdf46d535bd1bb795c025d.002.1","noaa_urn:oid:2.49.0.1.840.0.a95a0969ec539eb2cea5c1ed646594b36e9aa84c.001.1","noaa_urn:oid:2.49.0.1.840.0.4c3dc929e8e0cdf57e656585688c3feb6d233d47.002.1","noaa_urn:oid:2.49.0.1.840.0.ae03fc6a701bad8b27199a5719363f6cf7b3b08a.001.1","noaa_urn:oid:2.49.0.1.840.0.51f71a3d05fd2895a81729b210d6ca79cb504386.001.1","noaa_urn:oid:2.49.0.1.840.0.ae5f5128b70efcf451239b6db8c30af78ca97f15.001.1"] |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 4 ENE Leadington |
| Spc County | Ste. Genevieve |
| Spc State | MO |
| Spc Comments | Tree debris is blocking a part of Hwy D just north of Hwy O. Time of damage estimated from radar. (LSX) |
| Iem TypeSummary | N |
| Iem Magnitude | 48 |
| Iem Unit | MPH |
| Iem City | 3 WNW Scott City |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 58/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.