Right now
The most recent data we hold from NOAA arrived 5 hours 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 8 June 2026 at 22:45 UTC. It is kept here as a record.
It is the 20th strongest of the 24 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 1 June 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 8 at 5:03PM CDT until June 8 at 5:45PM CDT by NWS St Louis MO
Nearby, since 15 March 2026
- June 19, 2026 · score 22 · 1.8 km
- June 8, 2026 · score 16 · 2.3 km
- June 8, 2026 · score 28 · 6.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 16 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 | Medium |
| Calamity Score (ours) | 16 / 100 |
| Legacy data-support index | 0.60/1 |
| Coordinates | 39.2977, -90.6346 |
| Nearest City | Godfrey (54 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-06-08T22:03:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.88fc423b640ec3c57ba9e6e3a30c55c9c011873e.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: 2026-06-08T22:03:00.000Z.
First archived: 2026-06-08T22:25:37.552Z. 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 | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Calhoun, IL; Greene, IL; Pike, IL; Pike, MO |
| Headline | Severe Thunderstorm Warning issued June 8 at 5:03PM CDT until June 8 at 5:45PM CDT by NWS St Louis MO |
| Expires | 2026-06-08T17:45:00-05:00 |
| SenderName | NWS St Louis MO |
| HasExactCoords | true |
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.
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