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 27 June 2026 at 07:15 UTC. It is kept here as a record.
It is the 4th strongest of the 28 detections recorded within 20 km of this point since 13 June 2026. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 27 at 1:52AM CDT until June 27 at 2:15AM CDT by NWS Norman OK
Nearby, since 13 June 2026
- September 7, 2026 · score 16 · 4.4 km
- September 13, 2026 · score 16 · 6.2 km
- September 16, 2026 · score 16 · 18.3 km
How we know
2 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 22 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) | 22 / 100 |
| Legacy data-support index | 0.65/1 |
| Coordinates | 36.7050, -99.0675 |
| Nearest City | Enid (111 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-06-27T06:52:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.ac550e93bfb38fbc87f180cf7239bc6b |
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: 2026-06-27T06:52:00.000Z.
First archived: 2026-06-27T06:59:43.704Z. 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 | Harper, OK; Major, OK; Woods, OK; Woodward, OK; Dewey, OK; Ellis, OK; Harper, OK; Woods, OK; Woodward, OK |
| Headline | Severe Thunderstorm Warning issued June 27 at 1:52AM CDT until June 27 at 2:15AM CDT by NWS Norman OK |
| Expires | 2026-06-27T02:15:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ac550e93bfb38fbc87f180cf7239bc6b3a417694.001.1","noaa_urn:oid:2.49.0.1.840.0.a6da377d7c4d8b93967200940f6b14549b22a85f.001.1"] |
| 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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