Right now
The most recent data we hold from NOAA arrived 6 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 09:00 UTC. It is kept here as a record.
It is the 4th strongest of the 456 detections recorded within 20 km of this point since 10 March 2026. Another comparable one was recorded here earlier the same day. 106 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Watch issued March 16 at 12:23AM EDT until March 16 at 5:00AM EDT by NWS Louisville KY
An estimated 1,525,459 people live within 50 km of this point.
Nearby, since 10 March 2026
- September 5, 2026 · score 46 · 0.0 km
- August 13, 2026 · score 52 · 0.0 km
- August 12, 2026 · score 52 · 0.0 km
How we know
Confirmed by 9 independent sources, including NOAA.
Our own score for this event is 64 out of 100, at 88 % 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
| Type | Severe Weather |
| Severity | High |
| Calamity Score (ours) | 64 / 100 |
| Our confidence | 88% |
| Coordinates | 39.8000, -86.1000 |
| Nearest City | Indianapolis (6 km) |
| Population Exposed | 1.5M within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-03-16T04:23:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Watch_noaa_urn:oid:2.49.0.1.840.0.cb711172ce68df797c97e94fd92532dc |
Score Breakdown
Technical Details
| Event | Tornado Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Clark, IN; Jefferson, IN; Adair, KY; Allen, KY; Anderson, KY; Barren, KY; Bourbon, KY; Boyle, KY; Bullitt, KY; Casey, KY; Clark, KY; Clinton, KY; Cumberland, KY; Fayette, KY; Franklin, KY; Garrard, KY; Green, KY; Harrison, KY; Hart, KY; Henry, KY; Jefferson, KY; Jessamine, KY; Larue, KY; Lincoln, KY; Madison, KY; Marion, KY; Mercer, KY; Metcalfe, KY; Monroe, KY; Nelson, KY; Nicholas, KY; Oldham, KY; Russell, KY; Scott, KY; Shelby, KY; Spencer, KY; Taylor, KY; Trimble, KY; Washington, KY; Woodford, KY; Ripley, IN; Switzerland, IN; Carroll, KY; Gallatin, KY; Owen, KY |
| Headline | Tornado Watch issued March 16 at 12:23AM EDT until March 16 at 5:00AM EDT by NWS Louisville KY |
| Expires | 2026-03-16T05:00:00-04:00 |
| SenderName | NWS Louisville KY |
| HasExactCoords | false |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.cb711172ce68df797c97e94fd92532dc2cf6d4f8.002.1","noaa_urn:oid:2.49.0.1.840.0.9a27c1a2f034b78c51d10871ee9dde64fb1793d0.002.1"] |
| Spc ReportType | wind |
| Spc Speed | 58 |
| Spc Location | 1 NW Indianapolis |
| Spc County | Marion |
| Spc State | IN |
| Spc Comments | (IND) |
| Iem TypeSummary | G |
| Iem Magnitude | 71 |
| Iem Unit | MPH |
| Iem City | 2 WNW Homecroft |
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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