Right now
The most recent data we hold from NOAA arrived 1 hour ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
12 other detections within 20 km in the last 24 hours, the nearest 13 km from here.
This alert expired on 9 May 2026 at 02:30 UTC. It is kept here as a record.
It is the 3rd strongest of the 52 detections recorded within 20 km of this point since 4 April 2026. The last comparable one was on 24 April 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 8 at 8:44PM CDT until May 8 at 9:30PM 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 · 6.1 km
- September 8, 2026 · score 37 · 13.3 km
- June 8, 2026 · score 43 · 13.7 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 43 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) | 43 / 100 |
| Our confidence | 90% |
| Coordinates | 35.4017, -94.4954 |
| Nearest City | Fort Smith (9 km) |
| Population Exposed | 111.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-09T01:44:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.90726d265c5efc7a50b4781bf9e539b2 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Crawford, AR; Sebastian, AR; Le Flore, OK; Sequoyah, OK; Adair, OK; Sequoyah, OK |
| Headline | Severe Thunderstorm Warning issued May 8 at 8:44PM CDT until May 8 at 9:30PM CDT by NWS Tulsa OK |
| Expires | 2026-05-08T21:30:00-05:00 |
| SenderName | NWS Tulsa OK |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.90726d265c5efc7a50b4781bf9e539b25f5b8b41.001.1","noaa_urn:oid:2.49.0.1.840.0.54d9f21e71b2f6b1dd98c3c1b885592f9f7b436a.002.1"] |
| Iem TypeSummary | D |
| Iem City | 6 NNW Cookson |
| Iem County | Cherokee |
| Iem State | OK |
| Iem Wfo | TSA |
| Iem Remark | Estimated 60 mph winds. Power out. Tree debris of unknown size throughout the area. Time estimated from radar. |
| MergedSources | [{"id":"iem_H_35.630_-95.070_1778289000000","source":"iem","severity":"low","severityValue":25,"timestamp":1778289000000,"latitude":35.63,"longitude":-95.07},{"id":"iem_D_35.790_-94.960_1778288700000","source":"iem","severity":"low","severityValue":25,"timestamp":1778288700000,"latitude":35.79,"longitude":-94.96}] |
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 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.