This alert expired on 6 June 2026 at 22:30 UTC. It is kept here as a record.
No stronger detection stands among the 14 recorded within 20 km of this point since 24 April 2026 — 5 others scored the same. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 6 at 4:48PM CDT until June 6 at 5:30PM CDT by NWS Norman OK
An estimated 25,176 people live within 50 km of this point.
Nearby, since 24 April 2026
- August 8, 2026 · score 34 · 23.0 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 80 % 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 | 80% |
| Coordinates | 34.4455, -97.1606 |
| Nearest City | Ardmore (31 km) |
| Population Exposed | 25.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-06T21:48:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.d3057b06254b6408b3c8f4cccfb09066 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Garvin, OK; Murray, OK; Pontotoc, OK; Carter, OK; Garvin, OK; Murray, OK |
| Headline | Severe Thunderstorm Warning issued June 6 at 4:48PM CDT until June 6 at 5:30PM CDT by NWS Norman OK |
| Expires | 2026-06-06T17:30:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d3057b06254b6408b3c8f4cccfb090667091bb80.001.1","noaa_urn:oid:2.49.0.1.840.0.4e6d05969b4fc5ab9daf84d800f86085fb33ebda.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.