This alert expired on 8 August 2026 at 01:15 UTC. It is kept here as a record.
It is the 2nd strongest of the 14 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 22 June 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 7 at 7:58PM CDT until August 7 at 8:15PM CDT by NWS Springfield MO
An estimated 29,166 people live within 50 km of this point.
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 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) | 34 / 100 |
| Our confidence | 80% |
| Coordinates | 35.5866, -93.4465 |
| Nearest City | Russellville (45 km) |
| Population Exposed | 29.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-08T00:58:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.0b5a3e8c350c79edd4c4c1372fdf9f37 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Christian, MO; Douglas, MO; Webster, MO; Johnson, AR; Newton, AR; Franklin, AR and 1 more areas |
| Headline | Severe Thunderstorm Warning issued August 7 at 7:58PM CDT until August 7 at 8:15PM CDT by NWS Springfield MO |
| Expires | 2026-08-07T20:15:00-05:00 |
| SenderName | NWS Springfield MO |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.0b5a3e8c350c79edd4c4c1372fdf9f373504273a.001.1","noaa_urn:oid:2.49.0.1.840.0.781d35065721f0309d836468bdf6a6e49251aa90.001.1","noaa_urn:oid:2.49.0.1.840.0.9bd45adae3c076ef7aff7821783c6ad9a0646678.001.1","noaa_urn:oid:2.49.0.1.840.0.a5a47a63ec692d7d202172c0aec49858f3e4385b.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 in this area?
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 185 scientific monitoring sources.