This alert expired on 14 June 2026 at 00:00 UTC. It is kept here as a record.
It is the 8th strongest of the 23 detections recorded within 20 km of this point since 15 April 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 13 at 6:49PM CDT until June 13 at 7:00PM CDT by NWS Tulsa OK
An estimated 213,516 people live within 50 km of this point.
Nearby, since 15 April 2026
- June 8, 2026 · score 43 · 16.4 km
- June 8, 2026 · score 43 · 16.7 km
- May 19, 2026 · score 43 · 20.1 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 37 out of 100, at 80 % 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) | 37 / 100 |
| Our confidence | 80% |
| Coordinates | 36.5613, -94.0990 |
| Nearest City | Bella Vista (18 km) |
| Population Exposed | 213.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-13T23:49:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.96985875f8b422e28a84a43199bf5404 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Delaware, OK; Ottawa, OK; Ozark, MO; Taney, MO; Delaware, OK |
| Headline | Severe Thunderstorm Warning issued June 13 at 6:49PM CDT until June 13 at 7:00PM CDT by NWS Tulsa OK |
| Expires | 2026-06-13T19:00:00-05:00 |
| SenderName | NWS Tulsa OK |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.96985875f8b422e28a84a43199bf5404da431a24.002.1","noaa_urn:oid:2.49.0.1.840.0.15d92ea4b1a3039b266c26cbf6bedd13ff77ad78.001.1","noaa_urn:oid:2.49.0.1.840.0.45749c5f2e8785ed248185f956959187a2d270d1.001.1"] |
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.
Want to know when something happens near Bella Vista?
Calamity.live data shows a weather event with CalamityScore 37/100, near Bella Vista (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.