This alert expired on 16 March 2026 at 00:45 UTC. It is kept here as a record.
No stronger detection stands among the 142 recorded within 20 km of this point since 15 March 2026 — one other scored the same. Another comparable one was recorded here earlier the same day. 82 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued March 15 at 7:15PM CDT until March 15 at 7:45PM CDT by NWS Paducah KY
An estimated 44,202 people live within 50 km of this point.
Nearby, since 15 March 2026
- March 16, 2026 · score 34 · 12.9 km
- June 21, 2026 · score 39 · 14.1 km
How we know
Confirmed by 6 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 | 37.6741, -89.0501 |
| Nearest City | Marion (12 km) |
| Population Exposed | 44.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T00:15:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.3537709beffa70cbf3507b3257f59656 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Franklin, IL; Williamson, IL; Jackson, IL; Union, IL; Williamson, IL; Union, IL |
| Headline | Tornado Warning issued March 15 at 7:15PM CDT until March 15 at 7:45PM CDT by NWS Paducah KY |
| Expires | 2026-03-15T19:45:00-05:00 |
| SenderName | NWS Paducah KY |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3537709beffa70cbf3507b3257f5965692bd1a63.001.1","noaa_urn:oid:2.49.0.1.840.0.b90ecb94a6501c75df10300394ec97d68d01b67a.001.1","noaa_urn:oid:2.49.0.1.840.0.cdeb9a2a53a01c337f8425b347712648825f73d2.001.1"] |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 3 NW Pocahontas |
| Spc County | Cape Girardeau |
| Spc State | MO |
| Spc Comments | Power poles downed near the intersection of Hwy 61 and Hwy CC. (PAH) |
| Iem TypeSummary | O |
| Iem City | Benton |
| Iem County | Franklin |
| Iem State | IL |
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 near Marion?
Calamity.live data shows a weather event with CalamityScore 58/100, near Marion (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.