This alert expired on 7 August 2026 at 14:30 UTC. It is kept here as a record.
It is the 3rd strongest of the 37 detections recorded within 20 km of this point since 17 April 2026. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 7 at 8:35AM CDT until August 7 at 9:30AM CDT by NWS Wichita KS
Nearby, since 17 April 2026
- August 7, 2026 · score 16 · 10.9 km
- June 20, 2026 · score 34 · 12.4 km
- June 14, 2026 · score 16 · 26.1 km
How we know
Confirmed by 9 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 71 % 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 | 71% |
| Coordinates | 37.8549, -96.7678 |
| Nearest City | Wichita (54 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-07T13:35:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.7369be59fa1ba9a7d6539a24920db60f |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Butler, KS; Chase, KS; Marion, KS; Butler, KS |
| Headline | Severe Thunderstorm Warning issued August 7 at 8:35AM CDT until August 7 at 9:30AM CDT by NWS Wichita KS |
| Expires | 2026-08-07T09:30:00-05:00 |
| SenderName | NWS Wichita KS |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.7369be59fa1ba9a7d6539a24920db60f8e341ade.001.1","noaa_urn:oid:2.49.0.1.840.0.bfd2a068c025d085cb2a26b8a70dd32222327784.001.1","noaa_urn:oid:2.49.0.1.840.0.c57165d47d8eb3527662219d7c93f3f209ae178a.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 2 NNW Derby |
| Iem County | Sedgwick |
| Iem State | KS |
| Iem Wfo | ICT |
| MergedSources | [{"id":"iem_H_37.560_-97.320_1786099920000","source":"iem","severity":"low","severityValue":25,"timestamp":1786099920000,"latitude":37.56,"longitude":-97.32},{"id":"iem_H_37.750_-97.300_1786100460000","source":"iem","severity":"low","severityValue":25,"timestamp":1786100460000,"latitude":37.75,"longitude":-97.3},{"id":"iem_H_37.720_-96.970_1786108020000","source":"iem","severity":"low","severityValue":25,"timestamp":1786108020000,"latitude":37.72,"longitude":-96.97},{"id":"iem_H_37.700_-96.970_1786108080000","source":"iem","severity":"low","severityValue":25,"timestamp":1786108080000,"latitude":37.7,"longitude":-96.97},{"id":"iem_G_37.750_-97.220_1786095660000","source":"iem","severity":"low","severityValue":25,"timestamp":1786095660000,"latitude":37.75,"longitude":-97.22},{"id":"iem_H_37.580_-97.320_1786099020000","source":"iem","severity":"low","severityValue":25,"timestamp":1786099020000,"latitude":37.58,"longitude":-97.32},{"id":"iem_H_37.940_-97.020_1786107060000","source":"iem","severity":"low","severityValue":25,"timestamp":1786107060000,"latitude":37.94,"longitude":-97.02},{"id":"iem_H_37.570_-97.270_1786099380000","source":"iem","severity":"low","severityValue":25,"timestamp":1786099380000,"latitude":37.57,"longitude":-97.27}] |
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.