Calamity
CriticalSevere WeatherCalamity Score: 58

Severe Weather in United States

BollingerUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 3 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

12 other detections within 20 km in the last 24 hours, the nearest 14 km from here.

This alert expired on 15 March 2026 at 23:45 UTC. It is kept here as a record.

No stronger detection stands among the 139 recorded within 20 km of this point since 15 March 2026 — 6 others scored the same. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Tornado Warning issued March 15 at 6:10PM CDT until March 15 at 6:45PM CDT by NWS Lincoln IL

An estimated 18,181 people live within 50 km of this point.

Nearby, since 15 March 2026

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

TypeSevere Weather
SeverityCritical
Calamity Score (ours)58 / 100
Our confidence87%
Coordinates37.5531, -90.0480
Nearest CityFarmington (41 km)
Population Exposed18.2K within 50 km
Impact Tiersignificant
Timestamp2026-03-15T23:10:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.c40d763a14878dc8dfabc0efb0784e9a

Score Breakdown

95
intensity
40
population
0
cascading
80
historical

Technical Details

EventTornado Warning
UrgencyImmediate
CertaintyObserved
AreaDescDe Witt, IL; Macon, IL; Logan, IL; Clinton, IL; Washington, IL and 5 more areas
HeadlineTornado Warning issued March 15 at 6:10PM CDT until March 15 at 6:45PM CDT by NWS Lincoln IL
Expires2026-03-15T18:45:00-05:00
SenderNameNWS Lincoln IL
HasExactCoordstrue
MergedCount8
MergedIds["noaa_urn:oid:2.49.0.1.840.0.c40d763a14878dc8dfabc0efb0784e9a6a0f0604.002.1","noaa_urn:oid:2.49.0.1.840.0.bfbee664386d60bac44f68fb21b0f4975834e9ca.001.1","noaa_urn:oid:2.49.0.1.840.0.a95a0969ec539eb2cea5c1ed646594b36e9aa84c.001.1","noaa_urn:oid:2.49.0.1.840.0.2558f5da9164901623fe094f22276b53a4d51386.001.1","noaa_urn:oid:2.49.0.1.840.0.f840caf9fb555408ba518272380921fc82e6fd7c.001.1","noaa_urn:oid:2.49.0.1.840.0.9ac084940755a8a14859a3773823a1a2be312335.001.1","noaa_urn:oid:2.49.0.1.840.0.f4277ae82aef2c101d3d74c850a6d3c02e0db2f1.001.1","noaa_urn:oid:2.49.0.1.840.0.51f71a3d05fd2895a81729b210d6ca79cb504386.001.1"]
Spc ReportTypewind
Spc SpeedUNK
Spc Location4 ENE Leadington
Spc CountySte. Genevieve
Spc StateMO
Spc CommentsTree debris is blocking a part of Hwy D just north of Hwy O. Time of damage estimated from radar. (LSX)
Iem TypeSummaryD
Iem City4 ENE Leadington
Iem CountySte. Genevieve
Iem StateMO

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.

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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.