This alert expired on 18 June 2026 at 17:15 UTC. It is kept here as a record.
It is the 3rd strongest of the 27 detections recorded within 20 km of this point since 4 April 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 18 at 11:59AM CDT until June 18 at 12:15PM CDT by NWS Wichita KS
An estimated 36,595 people live within 50 km of this point.
Nearby, since 4 April 2026
- June 29, 2026 · score 34 · 6.7 km
- June 21, 2026 · score 46 · 14.9 km
- June 27, 2026 · score 34 · 17.4 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 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) | 34 / 100 |
| Our confidence | 79% |
| Coordinates | 37.0740, -95.9880 |
| Nearest City | Bartlesville (36 km) |
| Population Exposed | 36.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-18T16:59:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.c910947abc1d6752acca293ea4090cc1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cowley, KS; Craig, OK; Nowata, OK |
| Headline | Severe Thunderstorm Warning issued June 18 at 11:59AM CDT until June 18 at 12:15PM CDT by NWS Wichita KS |
| Expires | 2026-06-18T12:15:00-05:00 |
| SenderName | NWS Wichita KS |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c910947abc1d6752acca293ea4090cc18a9f02f7.001.1","noaa_urn:oid:2.49.0.1.840.0.d9680ed756d7d95cb97a4d6cbf2e4bf5c7570f52.001.1"] |
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 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.