Calamity
CriticalSevere WeatherCalamity Score: 67

Severe Weather in United States

AllenUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 8 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 16 March 2026 at 04:30 UTC. It is kept here as a record.

No stronger detection stands among the 16 recorded within 20 km of this point since 16 March 2026 — 2 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 11:54PM EDT until March 16 at 12:30AM EDT by NWS Louisville KY

An estimated 187,770 people live within 50 km of this point.

How we know

Confirmed by 2 independent sources, including NOAA.

Our own score for this event is 67 out of 100, at 81 % 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)67 / 100
Our confidence81%
Coordinates36.6655, -86.3967
Nearest CityGallatin (31 km)
Population Exposed187.8K within 50 km
Impact Tiersevere
Timestamp2026-03-16T03:54:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.797999a9052515b8c8b7aa59f43bcfc4

Score Breakdown

95
intensity
70
population
0
cascading
80
historical

Technical Details

EventTornado Warning
UrgencyImmediate
CertaintyObserved
AreaDescHardin, KY; Hart, KY; Larue, KY; Marion, KY; Nelson, KY; Washington, KY; Bullitt, KY; Hardin, KY; Meade, KY; Nelson, KY; Davidson, TN; Sumner, TN; Wilson, TN and 1 more areas
HeadlineTornado Warning issued March 15 at 11:54PM EDT until March 16 at 12:30AM EDT by NWS Louisville KY
Expires2026-03-16T00:30:00-04:00
SenderNameNWS Louisville KY
HasExactCoordstrue
MergedCount4
MergedIds["noaa_urn:oid:2.49.0.1.840.0.797999a9052515b8c8b7aa59f43bcfc4833b6843.001.1","noaa_urn:oid:2.49.0.1.840.0.d13c4917ac6a7c7a7549108a1c72ffe9c51efd22.001.1","noaa_urn:oid:2.49.0.1.840.0.268cb438dfebf6cf9f0a7bcf6016294860bb6f2c.001.1","noaa_urn:oid:2.49.0.1.840.0.b2608a7bd6bc46e39a9353765426dd5f386c9cd6.001.1"]
Iem TypeSummaryG
Iem Magnitude68
Iem UnitMPH
Iem City2 WSW Woodbury
Iem CountyButler
Iem StateKY
Iem WfoLMK
MergedSources[{"id":"iem_G_37.160_-86.670_1773630300000","source":"iem","severity":"low","severityValue":25,"timestamp":1773630300000,"latitude":37.16,"longitude":-86.67}]

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 67/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.