This alert expired on 15 March 2026 at 22:30 UTC. It is kept here as a record.
No stronger detection stands among the 9 recorded within 20 km of this point since 15 March 2026 — 8 others scored the same.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 15 at 4:24PM CDT until March 15 at 5:30PM CDT by NWS St Louis MO
Nearby, since 15 March 2026
- June 13, 2026 · score 22 · 8.3 km
- July 15, 2026 · score 22 · 15.4 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 57 % 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) | 22 / 100 |
| Our confidence | 57% |
| Coordinates | 35.6981, -92.7145 |
| Nearest City | Russellville (60 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-15T21:24:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe-Thunderstorm-Warning_noaa_urn-oid-2_49_0_1_840_0_33455e8a84d07b20409d44833c950104 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Crawford, MO; Iron, MO; Reynolds, MO; Washington, MO; Howell, MO; Oregon, MO; Shannon, MO; Howell, MO; Ozark, MO and 13 more areas |
| Headline | Severe Thunderstorm Warning issued March 15 at 4:24PM CDT until March 15 at 5:30PM CDT by NWS St Louis MO |
| Expires | 2026-03-15T17:30:00-05:00 |
| SenderName | NWS St Louis MO |
| HasExactCoords | true |
| MergedCount | 16 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.33455e8a84d07b20409d44833c95010475186f95.001.1","noaa_urn:oid:2.49.0.1.840.0.665359532d166eef7507ffddb3d533abcd4e8e60.001.1","noaa_urn:oid:2.49.0.1.840.0.32f7850f18aec2bd23ec382e8516ecf388c8566d.002.1","noaa_urn:oid:2.49.0.1.840.0.3c4034027808dc96deb17c1fb9e3519629b9db88.002.1","noaa_urn:oid:2.49.0.1.840.0.d615cbf26fa75ee341a355b30393bf168be1d972.001.1","noaa_urn:oid:2.49.0.1.840.0.e5e8a99a80bfe675b0d99da813586d62b5991d01.001.1","noaa_urn:oid:2.49.0.1.840.0.1830df2c48f3d68faf2ed0f3a78c83a26ad80b53.002.1","noaa_urn:oid:2.49.0.1.840.0.b07417d04adbe46202c7cd300d96374da7584cd0.002.1","noaa_urn:oid:2.49.0.1.840.0.a085658b47356fefffe5249727f8257e43fec4ab.002.1","noaa_urn:oid:2.49.0.1.840.0.409a71fa7944ac86f228b505436e4d7e6a6a52a1.002.1","noaa_urn:oid:2.49.0.1.840.0.a6942c39e7a0accdec9234a36d86df927a59fc74.002.1","noaa_urn:oid:2.49.0.1.840.0.504ec44c2fd5295186901abc659e5af737a40a6a.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","noaa_urn:oid:2.49.0.1.840.0.7050faa9baafe51abb608496d6c2b13781d0c908.001.1","noaa_urn:oid:2.49.0.1.840.0.81d77b25d69d31cf07b54606e7d4ccf5e9f3b10d.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 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.