Right now
The most recent data we hold from NOAA arrived 5 minutes ago, and this point is in it.
This alert expired on 16 September 2026 at 02:45 UTC. It is kept here as a record.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 15 at 9:16PM CDT until September 15 at 9:45PM CDT by NWS Lincoln IL
Urban PEI: 317,347 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 37 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 | Medium |
| Calamity Score (ours) | 37 / 100 |
| Legacy data-support index | 0.91/1 |
| Coordinates | 40.8357, -89.5943 |
| Nearest City | North Peoria (13 km) |
| Urban exposure index (PEI) | 317.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-16T02:16:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.1c73daa165b67348563859001a09d13a84b2a852.001.1 |
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: 2026-09-16T02:16:00.000Z.
First archived: 2026-09-16T02:19:18.078Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
2026-09-16T02:35:31.696Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
2026-09-16T02:30:09.006Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
2026-09-16T02:24:49.465Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Peoria, IL |
| Headline | Severe Thunderstorm Warning issued September 15 at 9:16PM CDT until September 15 at 9:45PM CDT by NWS Lincoln IL |
| Expires | 2026-09-15T21:45:00-05:00 |
| SenderName | NWS Lincoln IL |
| HasExactCoords | true |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | Brimfield |
| Spc County | Peoria |
| Spc State | IL |
| Spc Comments | Report of trees and power lines blown down. Relayed by media. Time estimated. (ILX) |
| Iem TypeSummary | D |
| Iem City | Congerville |
| Iem County | Woodford |
| Iem State | IL |
| Iem Wfo | ILX |
| Iem Remark | Numerous trees and power lines were blown down in town. Time estimated from radar. |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
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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