Right now
The most recent data we hold from NOAA arrived 4 hours ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
20 other detections within 20 km in the last 24 hours, the nearest 4 km from here.
This alert expired on 21 September 2026 at 01:30 UTC. It is kept here as a record.
It is the 6th strongest of the 136 detections recorded within 20 km of this point since 27 April 2026. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued September 20 at 8:00PM CDT until September 20 at 8:30PM CDT by NWS Lincoln IL
Nearby, since 27 April 2026
- June 16, 2026 · score 22 · 4.8 km
- July 2, 2026 · score 22 · 7.7 km
- July 1, 2026 · score 22 · 7.7 km
How we know
3 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 46 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 v5. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Critical |
| Calamity Score (ours) | 46 / 100 |
| Legacy data-support index | 0.71/1 |
| Coordinates | 38.6956, -88.1422 |
| Nearest City | Vincennes (53 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-09-21T01:00:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.438d304e6ca32c4365c116436b23acd1db0b1105.002.1 |
Physical priority index · v5. 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: 2026-09-21T01:00:00.000Z.
First archived: 2026-09-21T01:03:17.853Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
2026-09-21T01:14:11.917Z · data_change
Index 46 → 46; severity critical → critical; version 5 → 5.
2026-09-21T01:08:50.958Z · data_change
Index 46 → 46; severity critical → critical; version 5 → 5.
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Richland, IL |
| Headline | Tornado Warning issued September 20 at 8:00PM CDT until September 20 at 8:30PM CDT by NWS Lincoln IL |
| Expires | 2026-09-20T20:30:00-05:00 |
| SenderName | NWS Lincoln IL |
| HasExactCoords | true |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 2 N Newton |
| Spc County | Jasper |
| Spc State | IL |
| Spc Comments | Wind blew some debris into a field. Photo provided. (ILX) |
| Iem TypeSummary | D |
| Iem City | 2 N Newton |
| Iem County | Jasper |
| Iem State | IL |
| Iem Wfo | ILX |
| Iem Remark | Wind blew some debris into a field. Photo provided. |
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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