Right now
The most recent data we hold from NOAA arrived 2 minutes 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 7 August 2026 at 13:45 UTC. It is kept here as a record.
It is the strongest of the 36 detections recorded within 20 km of this point since 17 April 2026. The last comparable one was on 4 July 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 7 at 8:01AM CDT until August 7 at 8:45AM CDT by NWS Wichita KS
Urban PEI: 419,628 within a heuristic 50 km radius; not unique people.
Nearby, since 17 April 2026
- September 2, 2026 · score 37 · 5.6 km
- June 26, 2026 · score 22 · 12.7 km
- August 7, 2026 · score 22 · 17.4 km
How we know
6 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 43 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) | 43 / 100 |
| Legacy data-support index | 0.92/1 |
| Coordinates | 37.7050, -96.8233 |
| Nearest City | Derby (43 km) |
| Urban exposure index (PEI) | 419.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-07T13:01:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.907bfeaaea9735316027aa827f30f3a1c08feb7f.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: 2026-08-07T13:01:00.000Z.
First archived: 2026-08-07T13:07:53.070Z. 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 | Butler, KS |
| Headline | Severe Thunderstorm Warning issued August 7 at 8:01AM CDT until August 7 at 8:45AM CDT by NWS Wichita KS |
| Expires | 2026-08-07T08:45:00-05:00 |
| SenderName | NWS Wichita KS |
| HasExactCoords | true |
| 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_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_37.570_-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 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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