Calamity
MediumSevere WeatherCS: 64 · v1

Severe Weather near Indianapolis

United StatesNOAA

Right now

The most recent data we hold from NOAA arrived 11 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

This alert expired on 18 June 2026 at 07:00 UTC. It is kept here as a record.

What the source measured

NOAA reported: Tornado Watch issued June 18 at 1:57AM EDT until June 18 at 3:00AM EDT by NWS Indianapolis IN

Urban PEI: 1,525,459 within a heuristic 50 km radius; not unique people.

How we know

3 recorded sources include NOAA; independence is not established by this count.

Our own score for this event is 64 out of 100.

This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.

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)64 / 100
Legacy data-support index0.91/1
Coordinates39.8000, -86.1000
Nearest CityIndianapolis (6 km)
Urban exposure index (PEI)1.5M within 50 km
Impact Tiersignificant
Timestamp2026-06-18T05:57:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Tornado Watch_noaa_urn:oid:2.49.0.1.840.0.c752beb50a85ada0cdbf218a0cb9c023

Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.

Source and revision timeline

Source: noaa. Occurrence: 2026-06-18T05:57:00.000Z.

First archived: 2026-06-18T06:36:20.173Z. Material modification: not recorded.

Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.

Score Breakdown

65
intensity
100
Urban PEI term
0
Scenario weight
80
Recorded reference / batch anomaly

Technical Details

EventTornado Watch
UrgencyFuture
CertaintyPossible
AreaDescBartholomew, IN; Brown, IN; Daviess, IN; Decatur, IN; Greene, IN; Jackson, IN; Jennings, IN; Knox, IN; Lawrence, IN; Martin, IN; Monroe, IN; Sullivan, IN; Dearborn, IN; Fayette, IN; Franklin, IN; Ohio, IN; Ripley, IN; Switzerland, IN; Union, IN; Wayne, IN; Boone, KY; Bracken, KY; Campbell, KY; Carroll, KY; Gallatin, KY; Grant, KY; Kenton, KY; Lewis, KY; Mason, KY; Owen, KY; Pendleton, KY; Robertson, KY; Adams, OH; Brown, OH; Butler, OH; Clermont, OH; Clinton, OH; Fayette, OH; Greene, OH; Hamilton, OH; Highland, OH; Montgomery, OH; Pike, OH; Preble, OH; Ross, OH; Scioto, OH; Warren, OH; Clark, IN; Crawford, IN; Dubois, IN; Floyd, IN; Harrison, IN; Jefferson, IN; Orange, IN; Perry, IN; Scott, IN; Washington, IN; Franklin, KY; Harrison, KY; Henry, KY; Jefferson, KY; Meade, KY; Nicholas, KY; Oldham, KY; Scott, KY; Shelby, KY; Trimble, KY
HeadlineTornado Watch issued June 18 at 1:57AM EDT until June 18 at 3:00AM EDT by NWS Indianapolis IN
Expires2026-06-18T03:00:00-04:00
SenderNameNWS Indianapolis IN
HasExactCoordsfalse
MergedCount3
MergedIds["noaa_urn:oid:2.49.0.1.840.0.c752beb50a85ada0cdbf218a0cb9c023e42262d1.002.1","noaa_urn:oid:2.49.0.1.840.0.b1ab1af892cf3a8525a028eb4fe399902072a554.001.1","noaa_urn:oid:2.49.0.1.840.0.9853ec84239cece855bd1b36756573e1d56ff906.001.1"]
Spc ReportTypewind
Spc SpeedUNK
Spc Location7 SSE Paragon
Spc CountyMonroe
Spc StateIN
Spc CommentsCorrects previous non-tstm wnd dmg report from 7 SSE Paragon. Reports of damage to vehicles on I-69 near Hindustan. (IND)
MergedSources[{"id":"spc_wind_39.35_-86.67_129","source":"spc","severity":"medium","severityValue":45,"timestamp":1781747280000,"latitude":39.35,"longitude":-86.67},{"id":"spc_wind_39.30_-86.52_130","source":"spc","severity":"medium","severityValue":45,"timestamp":1781747640000,"latitude":39.3,"longitude":-86.52}]

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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