Calamity
criticalSevere weatherCalamity Score: 63

Severe weather in United States

ClayUnited StatesNOAA

This alert expired on 17 June 2026 at 01:15 UTC. It is kept here as a record.

It is the strongest of the 61 detections recorded within 20 km of this point since 23 March 2026. Another comparable one was recorded here earlier the same day. 11 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Tornado Warning issued June 16 at 8:45PM EDT until June 16 at 9:15PM EDT by NWS Indianapolis IN

An estimated 60,825 people live within 50 km of this point.

Nearby, since 23 March 2026

How we know

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

Our own score for this event is 63 out of 100, at 80 % confidence.

The score is ours, computed from intensity, exposed population and local history — not the source’s.

Event Data

TypeSevere weather
Severitycritical
Calamity Score (ours)63 / 100
Our confidence80%
Coordinates39.4230, -87.0402
Nearest CityTerre Haute (32 km)
Population Exposed60.8K within 50 km
Impact Tiersevere
Timestamp2026-06-17T00:45:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.d5c2f9d13daa0c3516b23bcb1d3f4c57

Score Breakdown

95
intensity
55
population
0
cascading
80
historical

Technical Details

EventTornado Warning
UrgencyImmediate
CertaintyObserved
AreaDescHendricks, IN; Morgan, IN; Putnam, IN; Sullivan, IN; Vigo, IN
HeadlineTornado Warning issued June 16 at 8:45PM EDT until June 16 at 9:15PM EDT by NWS Indianapolis IN
Expires2026-06-16T21:15:00-04:00
SenderNameNWS Indianapolis IN
HasExactCoordstrue
MergedCount2
MergedIds["noaa_urn:oid:2.49.0.1.840.0.d5c2f9d13daa0c3516b23bcb1d3f4c57d3edfcac.001.1","noaa_urn:oid:2.49.0.1.840.0.d3dcec0f6ba6ed9085dd405037574f488e33d702.002.1"]

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 10 February 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 63/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.