This alert expired on 8 June 2026 at 13:30 UTC. It is kept here as a record.
It is the 3rd strongest of the 41 detections recorded within 20 km of this point since 4 April 2026. The last comparable one was on 7 June 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued June 7 at 8:17PM CDT until June 8 at 2:32PM CDT by NWS Tulsa OK
An estimated 111,275 people live within 50 km of this point.
Nearby, since 4 April 2026
- July 6, 2026 · score 43 · 8.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 81 % 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) | 43 / 100 |
| Our confidence | 81% |
| Coordinates | 35.2800, -94.5183 |
| Nearest City | Fort Smith (16 km) |
| Population Exposed | 111.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-08T01:17:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.0af3ecaf3ae9b7286b7f2cb79b1e6d715eedc556.001.1 |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Le Flore, OK |
| Headline | Flood Warning issued June 7 at 8:17PM CDT until June 8 at 2:32PM CDT by NWS Tulsa OK |
| Expires | 2026-06-08T08:30:00-05:00 |
| SenderName | NWS Tulsa OK |
| HasExactCoords | true |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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 Fort Smith?
Calamity.live data shows a weather event with CalamityScore 43/100, near Fort Smith (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.