Right now
The most recent data we hold from NOAA arrived 17 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 12 June 2026 at 01:15 UTC. It is kept here as a record.
It is the 17th strongest of the 26 detections recorded within 20 km of this point since 1 April 2026. The last comparable one was on 30 May 2026. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 11 at 7:09PM CDT until June 11 at 8:15PM CDT by NWS Norman OK
An estimated 19,214 people live within 50 km of this point.
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 28 out of 100, at 79 % 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) | 28 / 100 |
| Our confidence | 79% |
| Coordinates | 34.6642, -99.6902 |
| Nearest City | Altus (33 km) |
| Population Exposed | 19.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-12T00:09:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.8b99b4a1996a441c4ff28d8eb90295a8 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Caddo, OK; Kiowa, OK; Washita, OK; Greer, OK; Jackson, OK; Kiowa, OK; Harmon, OK; Jackson, OK; Hardeman, TX and 3 more areas |
| Headline | Severe Thunderstorm Warning issued June 11 at 7:09PM CDT until June 11 at 8:15PM CDT by NWS Norman OK |
| Expires | 2026-06-11T20:15:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.8b99b4a1996a441c4ff28d8eb90295a879d1eda1.001.1","noaa_urn:oid:2.49.0.1.840.0.f48be58c2a645be48f5b0f86364f89c764ddd321.001.1","noaa_urn:oid:2.49.0.1.840.0.07b8c93a19e3061491b265d058535aa68e20eaf0.001.1","noaa_urn:oid:2.49.0.1.840.0.f5518c05cba4373a5fdc8e018b7301bf792c1395.001.1","noaa_urn:oid:2.49.0.1.840.0.e3e30ea58b3bfa069b2e4ca571c5a69293f30e31.001.1","noaa_urn:oid:2.49.0.1.840.0.dc845ac9ab9d85b018d1a5abfecaf32e2b49087e.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 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 28/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.