Right now
The most recent data we hold from NOAA arrived 6 minutes ago, and this point is in it.
4 other detections within 20 km in the last 24 hours, the nearest 4 km from here.
This alert expired on 11 September 2026 at 23:00 UTC. It is kept here as a record.
It is the 8th strongest of the 15 detections recorded within 20 km of this point since 9 March 2026. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 11 at 5:30PM CDT until September 11 at 6:00PM CDT by NWS Tulsa OK
Nearby, since 9 March 2026
- August 7, 2026 · score 22 · 3.4 km
- September 11, 2026 · score 16 · 4.1 km
- August 7, 2026 · score 22 · 11.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 16 out of 100, at 60 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 16 / 100 |
| Our confidence | 60% |
| Coordinates | 34.3736, -94.7336 |
| Nearest City | Paris (110 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-11T22:30:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.b73a62edebc6f925d76b7831b984911efeab0b15.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Le Flore, OK; McCurtain, OK |
| Headline | Severe Thunderstorm Warning issued September 11 at 5:30PM CDT until September 11 at 6:00PM CDT by NWS Tulsa OK |
| Expires | 2026-09-11T18:00:00-05:00 |
| SenderName | NWS Tulsa OK |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.b73a62edebc6f925d76b7831b984911efeab0b15.001.1","noaa_urn:oid:2.49.0.1.840.0.0187217439f7cf5ee5f88512151be7a0e23e6604.001.1"] |
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.
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