This alert expired on 12 July 2026 at 00:15 UTC. It is kept here as a record.
It is the 15th strongest of the 55 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 4 July 2026. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 11 at 6:14PM CDT until July 11 at 7:15PM CDT by NWS Wichita KS
Nearby, since 15 March 2026
- June 2, 2026 · score 34 · 13.2 km
- June 19, 2026 · score 43 · 19.4 km
- June 4, 2026 · score 43 · 20.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 60 % 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) | 22 / 100 |
| Our confidence | 60% |
| Coordinates | 37.1383, -97.5000 |
| Nearest City | Derby (50 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-11T23:14:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.96f212b018c3cc98b520e4038b0567d53cf6553e.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Sumner, KS |
| Headline | Severe Thunderstorm Warning issued July 11 at 6:14PM CDT until July 11 at 7:15PM CDT by NWS Wichita KS |
| Expires | 2026-07-11T19:15:00-05:00 |
| SenderName | NWS Wichita KS |
| 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 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 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.