This alert expired on 7 August 2026 at 03:45 UTC. It is kept here as a record.
It is the 5th strongest of the 14 detections recorded within 20 km of this point since 13 June 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 6 at 10:25PM CDT until August 6 at 10:45PM CDT by NWS Tulsa OK
An estimated 16,081 people live within 50 km of this point.
Nearby, since 13 June 2026
- June 22, 2026 · score 34 · 7.4 km
- June 24, 2026 · score 16 · 18.8 km
- June 13, 2026 · score 67 · 19.5 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 86 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 34 / 100 |
| Our confidence | 86% |
| Coordinates | 36.4483, -94.8533 |
| Nearest City | Siloam Springs (40 km) |
| Population Exposed | 16.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-07T03:25:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.ec70b1d47651ef600df6391a121a5ef0c4c31088.002.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Delaware, OK |
| Headline | Severe Thunderstorm Warning issued August 6 at 10:25PM CDT until August 6 at 10:45PM CDT by NWS Tulsa OK |
| Expires | 2026-08-06T22:45:00-05:00 |
| SenderName | NWS Tulsa OK |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | 1 WNW Miami |
| Iem County | Ottawa |
| Iem State | OK |
| Iem Wfo | TSA |
| Iem Remark | Report of either a power pole or power line downed due to wind on G Street NW in Miami. Time estimated from radar. |
| MergedSources | [{"id":"iem_D_36.880_-94.890_1786069800000","source":"iem","severity":"low","severityValue":25,"timestamp":1786069800000,"latitude":36.88,"longitude":-94.89}] |
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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.