Calamity
CriticalSevere WeatherCalamity Score: 58

Severe Weather in United States

JeffersonUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 12 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

5 other detections within 20 km in the last 24 hours, the nearest 10 km from here.

This alert expired on 18 June 2026 at 08:00 UTC. It is kept here as a record.

No stronger detection stands among the 58 recorded within 20 km of this point since 16 March 2026 — 3 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 June 18 at 3:28AM EDT until June 18 at 4:00AM EDT by NWS Louisville KY

An estimated 19,478 people live within 50 km of this point.

Nearby, since 16 March 2026

How we know

Confirmed by 3 independent sources, including NOAA.

Our own score for this event is 58 out of 100, at 90 % 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 confidence90%
Coordinates38.7570, -85.4040
Nearest CitySeymour (48 km)
Population Exposed19.5K within 50 km
Impact Tiersignificant
Timestamp2026-06-18T07:28:00.000Z
Sourcehttps://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.23bc6b9e4a9d9f7d69f9c013c0713b1fb1aca097.001.1

Score Breakdown

95
intensity
40
population
0
cascading
80
historical

Technical Details

EventTornado Warning
UrgencyImmediate
CertaintyObserved
AreaDescJefferson, IN; Trimble, KY
HeadlineTornado Warning issued June 18 at 3:28AM EDT until June 18 at 4:00AM EDT by NWS Louisville KY
Expires2026-06-18T04:00:00-04:00
SenderNameNWS Louisville KY
HasExactCoordstrue
Spc ReportTypewind
Spc SpeedUNK
Spc Location5 S Versailles
Spc CountyRipley
Spc StateIN
Spc CommentsSeveral utility poles snapped and wires downed. (ILN)
Iem TypeSummaryD
Iem City5 S Versailles
Iem CountyRipley
Iem StateIN
Iem WfoILN
Iem RemarkSeveral utility poles snapped and wires downed.

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 in this area?

Share:XLinkedIn

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.