Calamity
MediumSevere WeatherCalamity Score: 34

Severe Weather in United States

PrairieUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 2 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

Nothing else has been detected within 20 km in the last 24 hours.

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

It is the 2nd strongest of the 5 detections recorded within 20 km of this point since 15 March 2026.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued March 15 at 6:34PM CDT until March 15 at 6:45PM CDT by NWS St Louis MO

An estimated 49,783 people live within 50 km of this point.

Nearby, since 15 March 2026

How we know

One source: NOAA. Not yet confirmed by a second, independent source.

Our own score for this event is 34 out of 100, at 77 % 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
SeverityMedium
Calamity Score (ours)34 / 100
Our confidence77%
Coordinates34.9638, -91.5134
Nearest CitySearcy (38 km)
Population Exposed49.8K within 50 km
Impact Tiersignificant
Timestamp2026-03-15T23:34:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.f8f733941b376fed9798c0926ffbdcae

Score Breakdown

35
intensity
40
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescClinton, IL; Washington, IL; Christian, IL; Macon, IL; Moultrie, IL; Shelby, IL; Jefferson, IL; Perry, IL and 19 more areas
HeadlineSevere Thunderstorm Warning issued March 15 at 6:34PM CDT until March 15 at 6:45PM CDT by NWS St Louis MO
Expires2026-03-15T18:45:00-05:00
SenderNameNWS St Louis MO
HasExactCoordstrue
MergedCount22
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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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Calamity.live data shows a weather event with CalamityScore 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.