Right now
The most recent data we hold from NOAA arrived 6 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 16 May 2026 at 00:45 UTC. It is kept here as a record.
It is the 6th strongest of the 15 detections recorded within 20 km of this point since 10 May 2026. The last comparable one was on 10 May 2026. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 15 at 7:30PM CDT until May 15 at 7:45PM CDT by NWS Norman OK
An estimated 44,408 people live within 50 km of this point.
Nearby, since 10 May 2026
- June 1, 2026 · score 34 · 12.0 km
- May 16, 2026 · score 39 · 12.1 km
- August 6, 2026 · score 28 · 14.8 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 90 % 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) | 34 / 100 |
| Our confidence | 90% |
| Coordinates | 35.5617, -98.2483 |
| Nearest City | El Reno (26 km) |
| Population Exposed | 44.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-16T00:30:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.254ee3eeaa34e7de077eb92caf10ed7af78d3297.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Blaine, OK; Caddo, OK; Canadian, OK; Kingfisher, OK |
| Headline | Severe Thunderstorm Warning issued May 15 at 7:30PM CDT until May 15 at 7:45PM CDT by NWS Norman OK |
| Expires | 2026-05-15T19:45:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| Iem TypeSummary | G |
| Iem Magnitude | 64 |
| Iem Unit | MPH |
| Iem City | 4 WNW Bessie |
| Iem County | Washita |
| Iem State | OK |
| Iem Wfo | OUN |
| Iem Remark | Bessie Mesonet. |
| MergedSources | [{"id":"iem_G_35.410_-99.050_1778887500000","source":"iem","severity":"low","severityValue":25,"timestamp":1778887500000,"latitude":35.41,"longitude":-99.05},{"id":"iem_G_35.410_-99.050_1778885400000","source":"iem","severity":"low","severityValue":25,"timestamp":1778885400000,"latitude":35.41,"longitude":-99.05}] |
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 near El Reno?
Calamity.live data shows a weather event with CalamityScore 34/100, near El Reno (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.