Right now
The most recent data we hold from NOAA arrived 3 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 15 May 2026 at 01:30 UTC. It is kept here as a record.
It is the 2nd strongest of the 30 detections recorded within 20 km of this point since 17 April 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 14 at 7:45PM CDT until May 14 at 8:30PM CDT by NWS Wichita KS
Nearby, since 17 April 2026
- May 15, 2026 · score 22 · 4.2 km
- July 4, 2026 · score 22 · 6.3 km
- June 2, 2026 · score 22 · 17.0 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 70 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
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) | 22 / 100 |
| Our confidence | 70% |
| Coordinates | 37.2020, -97.8100 |
| Nearest City | Derby (61 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-15T00:45:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.c7edae5013376e76746b4e6713724a9b88d77a01.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Harper, KS; Sumner, KS |
| Headline | Severe Thunderstorm Warning issued May 14 at 7:45PM CDT until May 14 at 8:30PM CDT by NWS Wichita KS |
| Expires | 2026-05-14T20:30:00-05:00 |
| SenderName | NWS Wichita KS |
| HasExactCoords | true |
| Iem TypeSummary | N |
| Iem Magnitude | 62 |
| Iem Unit | MPH |
| Iem City | Pretty Prairie |
| Iem County | Reno |
| Iem State | KS |
| Iem Wfo | ICT |
| Iem Remark | short duration heat burst evident on PWS. |
| MergedSources | [{"id":"iem_N_37.780_-98.030_1778800020000","source":"iem","severity":"low","severityValue":25,"timestamp":1778800020000,"latitude":37.78,"longitude":-98.03},{"id":"iem_N_37.780_-98.020_1778800380000","source":"iem","severity":"low","severityValue":25,"timestamp":1778800380000,"latitude":37.78,"longitude":-98.02}] |
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.
Want to know when something happens in this area?
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 185 scientific monitoring sources.