This alert expired on 15 March 2026 at 21:30 UTC. It is kept here as a record.
It is the 3rd strongest of the 18 detections recorded within 20 km of this point since 15 March 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 March 15 at 4:12PM CDT until March 15 at 4:30PM CDT by NWS St Louis MO
An estimated 29,166 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 22, 2026 · score 58 · 8.2 km
- June 2, 2026 · score 34 · 15.0 km
- May 28, 2026 · score 34 · 16.7 km
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 77 % 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 | 77% |
| Coordinates | 35.3866, -93.0413 |
| Nearest City | Russellville (14 km) |
| Population Exposed | 29.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-15T21:12:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe-Thunderstorm-Warning_noaa_urn-oid-2_49_0_1_840_0_b07417d04adbe46202c7cd300d96374d |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Franklin, MO; Washington, MO; Douglas, MO; Howell, MO; Ozark, MO; Texas, MO; Calhoun, IL; Lincoln, MO; St. Charles, MO and 9 more areas |
| Headline | Severe Thunderstorm Warning issued March 15 at 4:12PM CDT until March 15 at 4:30PM CDT by NWS St Louis MO |
| Expires | 2026-03-15T16:30:00-05:00 |
| SenderName | NWS St Louis MO |
| HasExactCoords | true |
| MergedCount | 12 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.b07417d04adbe46202c7cd300d96374da7584cd0.002.1","noaa_urn:oid:2.49.0.1.840.0.c22e701442fe89f683933eb454db36824fc0ce06.001.1","noaa_urn:oid:2.49.0.1.840.0.8b5a098afb862d7b418ca62bce066492d615ced8.001.1","noaa_urn:oid:2.49.0.1.840.0.87680e4c56c3b9c286ec56c2c8f93979f59490b1.001.1","noaa_urn:oid:2.49.0.1.840.0.abe31356f890599129d4d02616dcf5dc8e3e0270.001.1","noaa_urn:oid:2.49.0.1.840.0.4099805688572cd783a4056669f51e97e2ac4c17.001.1","noaa_urn:oid:2.49.0.1.840.0.7050faa9baafe51abb608496d6c2b13781d0c908.001.1","noaa_urn:oid:2.49.0.1.840.0.2469debd6c763872f501545e4a9dfc78edd8868e.002.1","noaa_urn:oid:2.49.0.1.840.0.23c2abc8cb1742b783faed1dcccb79462ade7cef.001.1","noaa_urn:oid:2.49.0.1.840.0.06240a6c64dc648731cb4596ca784521d4e795d9.001.1","noaa_urn:oid:2.49.0.1.840.0.ce86bd7650cb08f2c7c2aa59544dc49ee68a979f.001.1","noaa_urn:oid:2.49.0.1.840.0.069becb1ef4f64b0f7fd0d487a1f4136f3446b1d.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 Russellville?
Calamity.live data shows a weather event with CalamityScore 34/100, near Russellville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.