This alert expired on 4 July 2026 at 22:52 UTC. It is kept here as a record.
No stronger detection stands among the 97 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. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 4 at 5:42PM CDT until July 4 at 5:45PM CDT by NWS St Louis MO
An estimated 83,664 people live within 50 km of this point.
Nearby, since 15 March 2026
- July 9, 2026 · score 39 · 20.6 km
- March 16, 2026 · score 34 · 26.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 out of 100, at 79 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 39 / 100 |
| Our confidence | 79% |
| Coordinates | 37.6130, -89.3311 |
| Nearest City | Carbondale (16 km) |
| Population Exposed | 83.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-04T22:42:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.cf1c4c63aa9a9312677706a959bb9479 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Randolph, IL; Jackson, IL; Perry, IL; Massac, IL; Ballard, KY; Carlisle, KY; Graves, KY; McCracken, KY |
| Headline | Severe Thunderstorm Warning issued July 4 at 5:42PM CDT until July 4 at 5:45PM CDT by NWS St Louis MO |
| Expires | 2026-07-04T17:52:00-05:00 |
| SenderName | NWS St Louis MO |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.cf1c4c63aa9a9312677706a959bb94791df7d467.001.1","noaa_urn:oid:2.49.0.1.840.0.b5397d967817c276e8c5fa00705c2537745ca05b.001.1","noaa_urn:oid:2.49.0.1.840.0.ae4739de98dff7551ff50010ecb42cf4b020feb1.001.1"] |
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 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 39/100, near Carbondale (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.