This alert expired on 1 August 2026 at 19:30 UTC. It is kept here as a record.
No stronger detection stands among the 117 recorded within 20 km of this point since 15 March 2026 — 6 others scored the same. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued August 1 at 3:19PM EDT until August 1 at 3:30PM EDT by NWS Indianapolis IN
An estimated 1,236,361 people live within 50 km of this point.
Nearby, since 15 March 2026
- May 19, 2026 · score 52 · 8.5 km
- June 10, 2026 · score 46 · 9.2 km
- August 27, 2026 · score 46 · 10.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 76 out of 100, at 81 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | critical |
| Calamity Score (ours) | 76 / 100 |
| Our confidence | 81% |
| Coordinates | 39.5786, -86.4786 |
| Nearest City | Plainfield (15 km) |
| Population Exposed | 1.2M within 50 km |
| Impact Tier | catastrophic |
| Timestamp | 2026-08-01T19:19:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.c5959d041a387e79c123f0ab8883b2bb24d20abb.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Morgan, IN |
| Headline | Tornado Warning issued August 1 at 3:19PM EDT until August 1 at 3:30PM EDT by NWS Indianapolis IN |
| Expires | 2026-08-01T15:30:00-04:00 |
| SenderName | NWS Indianapolis IN |
| HasExactCoords | true |
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.
Calamity.live data shows a weather event with CalamityScore 76/100, near Plainfield (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.