Right now
The most recent data we hold from NOAA arrived 6 minutes 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 14 km from here.
This alert expired on 9 May 2026 at 03:30 UTC. It is kept here as a record.
It is the 3rd strongest of the 50 detections recorded within 20 km of this point since 4 April 2026. Another comparable one was recorded here earlier the same day. 13 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 8 at 9:53PM CDT until May 8 at 10:30PM 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 · 4.7 km
- June 8, 2026 · score 43 · 11.3 km
- September 8, 2026 · score 37 · 13.5 km
How we know
Confirmed by 11 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 91 % 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 | 91% |
| Coordinates | 35.3818, -94.5104 |
| Nearest City | Fort Smith (10 km) |
| Population Exposed | 111.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-09T02:53:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.447d9edc75a3b3890586cf0ff7d6ea63 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | McIntosh, OK; Okmulgee, OK; Franklin, AR; Sebastian, AR; Johnson, AR; Logan, AR; Scott, AR; Yell, AR |
| Headline | Severe Thunderstorm Warning issued May 8 at 9:53PM CDT until May 8 at 10:30PM CDT by NWS Tulsa OK |
| Expires | 2026-05-08T22:30:00-05:00 |
| SenderName | NWS Tulsa OK |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.447d9edc75a3b3890586cf0ff7d6ea63400e5b6b.001.1","noaa_urn:oid:2.49.0.1.840.0.8d3dc3de62547f28d7fb388c3a03732d2977db7c.002.1","noaa_urn:oid:2.49.0.1.840.0.58193748407582177c04ad6482178f277624b11c.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 1 N Barling |
| Iem County | Sebastian |
| Iem State | AR |
| Iem Wfo | TSA |
| Iem Remark | Report from mPING: Quarter (1.00 in.). |
| MergedSources | [{"id":"iem_H_35.420_-94.520_1778291880000","source":"iem","severity":"low","severityValue":25,"timestamp":1778291880000,"latitude":35.42,"longitude":-94.52},{"id":"iem_H_35.410_-94.600_1778291400000","source":"iem","severity":"low","severityValue":25,"timestamp":1778291400000,"latitude":35.41,"longitude":-94.6},{"id":"iem_H_35.370_-94.410_1778292840000","source":"iem","severity":"low","severityValue":25,"timestamp":1778292840000,"latitude":35.37,"longitude":-94.41},{"id":"iem_H_35.410_-94.380_1778292300000","source":"iem","severity":"low","severityValue":25,"timestamp":1778292300000,"latitude":35.41,"longitude":-94.38},{"id":"iem_H_35.370_-94.400_1778292540000","source":"iem","severity":"low","severityValue":25,"timestamp":1778292540000,"latitude":35.37,"longitude":-94.4},{"id":"iem_H_35.390_-94.380_1778292840000","source":"iem","severity":"low","severityValue":25,"timestamp":1778292840000,"latitude":35.39,"longitude":-94.38},{"id":"iem_H_35.450_-94.350_1778292420000","source":"iem","severity":"low","severityValue":25,"timestamp":1778292420000,"latitude":35.45,"longitude":-94.35},{"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},{"id":"iem_H_35.330_-94.300_1778293080000","source":"iem","severity":"low","severityValue":25,"timestamp":1778293080000,"latitude":35.33,"longitude":-94.3}] |
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.