Right now
The most recent data we hold from NOAA arrived 2 hours ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
3 other detections within 20 km in the last 24 hours, the nearest 5 km from here.
This alert expired on 9 May 2026 at 03:45 UTC. It is kept here as a record.
It is the 8th strongest of the 25 detections recorded within 20 km of this point since 25 April 2026. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 8 at 10:14PM CDT until May 8 at 10:45PM CDT by NWS Tulsa OK
An estimated 88,194 people live within 50 km of this point.
Nearby, since 25 April 2026
- June 7, 2026 · score 67 · 15.7 km
- September 7, 2026 · score 37 · 23.8 km
How we know
Confirmed by 13 independent sources, including NOAA.
Our own score for this event is 39 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) | 39 / 100 |
| Our confidence | 91% |
| Coordinates | 34.9667, -94.3733 |
| Nearest City | Fort Smith (47 km) |
| Population Exposed | 88.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-09T03:14:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.72b63b40966c3832d56eea9a9061576d9e6c45d6.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Sebastian, AR; Le Flore, OK |
| Headline | Severe Thunderstorm Warning issued May 8 at 10:14PM CDT until May 8 at 10:45PM CDT by NWS Tulsa OK |
| Expires | 2026-05-08T22:45:00-05:00 |
| SenderName | NWS Tulsa OK |
| HasExactCoords | true |
| 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_35.060_-94.620_1778295600000","source":"iem","severity":"low","severityValue":25,"timestamp":1778295600000,"latitude":35.06,"longitude":-94.62},{"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_35.320_-94.250_1778293200000","source":"iem","severity":"low","severityValue":25,"timestamp":1778293200000,"latitude":35.32,"longitude":-94.25},{"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_35.350_-94.310_1778293080000","source":"iem","severity":"low","severityValue":25,"timestamp":1778293080000,"latitude":35.35,"longitude":-94.31},{"id":"iem_H_35.330_-94.320_1778292900000","source":"iem","severity":"low","severityValue":25,"timestamp":1778292900000,"latitude":35.33,"longitude":-94.32},{"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 in this area?
Calamity.live data shows a weather event with CalamityScore 39/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.