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 1 August 2026 at 23:22 UTC. It is kept here as a record.
It is the 6th strongest of the 81 detections recorded within 20 km of this point since 28 April 2026. 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 August 1 at 7:13PM EDT until August 1 at 7:15PM EDT by NWS Wilmington OH
Urban PEI: 269,769 within a heuristic 50 km radius; not unique people.
Nearby, since 28 April 2026
- July 18, 2026 · score 43 · 7.5 km
- July 17, 2026 · score 43 · 7.5 km
- May 19, 2026 · score 48 · 9.8 km
How we know
2 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 67 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
| Type | Severe Weather |
| Severity | Critical |
| Calamity Score (ours) | 67 / 100 |
| Legacy data-support index | 0.86/1 |
| Coordinates | 39.5463, -84.8437 |
| Nearest City | Oxford (9 km) |
| Urban exposure index (PEI) | 269.8K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-08-01T23:13:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.894e6cfebea6fda7d8f8ed925c59b8b965016248.001.1 |
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: 2026-08-01T23:13:00.000Z.
First archived: 2026-08-01T23:16:31.136Z. 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
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Franklin, IN; Union, IN; Butler, OH |
| Headline | Tornado Warning issued August 1 at 7:13PM EDT until August 1 at 7:15PM EDT by NWS Wilmington OH |
| Expires | 2026-08-01T19:22:00-04:00 |
| SenderName | NWS Wilmington OH |
| HasExactCoords | true |
| Google News RssFeed | weather |
| Google News SourceName | Cincinnati Enquirer |
| MergedSources | [{"id":"gnews_weather_496001_164","source":"google_news","severity":"medium","severityValue":40,"timestamp":1785605760000,"latitude":39.13,"longitude":-84.51}] |
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.
Review the area, threshold and delivery channel in your account.
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