Right now
The most recent data we hold from NOAA arrived 5 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 27 June 2026 at 07:00 UTC. It is kept here as a record.
No stronger detection stands among the 20 recorded within 20 km of this point since 21 June 2026 — 10 others scored the same. The last comparable one was on 22 June 2026. 16 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 27 at 1:09AM CDT until June 27 at 2:00AM CDT by NWS Norman OK
Nearby, since 21 June 2026
- June 21, 2026 · score 22 · 11.1 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 65 % 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 | 65% |
| Coordinates | 36.5471, -99.4686 |
| Nearest City | Liberal (140 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-27T06:09:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.265bc67e3849944290de15bc016d8217966c4cd1.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Dewey, OK; Ellis, OK; Harper, OK; Woods, OK; Woodward, OK |
| Headline | Severe Thunderstorm Warning issued June 27 at 1:09AM CDT until June 27 at 2:00AM CDT by NWS Norman OK |
| Expires | 2026-06-27T02:00:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| Iem TypeSummary | G |
| Iem Magnitude | 60 |
| Iem Unit | MPH |
| Iem City | 1 W May |
| Iem County | Harper |
| Iem State | OK |
| Iem Wfo | OUN |
| MergedSources | [{"id":"iem_G_36.620_-99.770_1782539880000","source":"iem","severity":"low","severityValue":25,"timestamp":1782539880000,"latitude":36.62,"longitude":-99.77}] |
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.
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