This alert expired on 15 March 2026 at 22:00 UTC. It is kept here as a record.
It is the 3rd strongest of the 9 detections recorded within 20 km of this point since 15 March 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 15 at 4:30PM CDT until March 15 at 5:00PM CDT by NWS Shreveport LA
An estimated 29,166 people live within 50 km of this point.
Nearby, since 15 March 2026
- March 15, 2026 · score 34 · 1.7 km
- July 11, 2026 · score 43 · 18.6 km
- March 15, 2026 · score 39 · 19.5 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 78 % 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 | 78% |
| Coordinates | 35.0484, -93.0685 |
| Nearest City | Russellville (26 km) |
| Population Exposed | 29.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-15T21:30:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe-Thunderstorm-Warning_noaa_urn-oid-2_49_0_1_840_0_9a42a731959800cfea6e822612e246c7 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Smith, TX; Upshur, TX; Wood, TX; Upshur, TX; Wood, TX; Anderson, TX; Henderson, TX and 14 more areas |
| Headline | Severe Thunderstorm Warning issued March 15 at 4:30PM CDT until March 15 at 5:00PM CDT by NWS Shreveport LA |
| Expires | 2026-03-15T17:00:00-05:00 |
| SenderName | NWS Shreveport LA |
| HasExactCoords | true |
| MergedCount | 17 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.9a42a731959800cfea6e822612e246c78485c78c.001.1","noaa_urn:oid:2.49.0.1.840.0.b2ed0cba55d3bfb4fa39f653c0bbc160a373ed92.001.1","noaa_urn:oid:2.49.0.1.840.0.dc6071d69f4fbb71b027615744936051005cb0a0.001.1","noaa_urn:oid:2.49.0.1.840.0.5e0d9aae7e03060b534cf32d9ca6b5f456202409.001.1","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:2.49.0.1.840.0.069becb1ef4f64b0f7fd0d487a1f4136f3446b1d.001.1","noaa_urn:oid:2.49.0.1.840.0.7050faa9baafe51abb608496d6c2b13781d0c908.001.1","noaa_urn:oid:2.49.0.1.840.0.fc6e6f76efa36f74f0513fc6e081eba371c31be2.001.1","noaa_urn:oid:2.49.0.1.840.0.4f222df225243cbf4eebb08db4f50620401265ed.001.1","noaa_urn:oid:2.49.0.1.840.0.f0240d28157a8372a4bbd78219c9dddf79adc173.001.1","noaa_urn:oid:2.49.0.1.840.0.33455e8a84d07b20409d44833c95010475186f95.001.1","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:2.49.0.1.840.0.089b2f65a32a1bdd8dc21f9837045baa3fe161fe.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 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, near Russellville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.