This alert expired on 24 June 2026 at 02:00 UTC. It is kept here as a record.
It is the 20th strongest of the 28 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 23 June 2026. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 23 at 8:05PM CDT until June 23 at 9:00PM CDT by NWS Shreveport LA
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 59 % 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) | 22 / 100 |
| Our confidence | 59% |
| Coordinates | 33.0042, -94.3536 |
| Nearest City | Marshall (52 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-24T01:05:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.976239f0c1c2003ecdc0f6305e0e6272 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Bossier, LA; Caddo, LA; Cass, TX; Harrison, TX; Marion, TX; Bowie, TX; Camp, TX; Cass, TX; Morris, TX; Titus, TX; Upshur, TX |
| Headline | Severe Thunderstorm Warning issued June 23 at 8:05PM CDT until June 23 at 9:00PM CDT by NWS Shreveport LA |
| Expires | 2026-06-23T21:00:00-05:00 |
| SenderName | NWS Shreveport LA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.976239f0c1c2003ecdc0f6305e0e6272ba99505e.001.1","noaa_urn:oid:2.49.0.1.840.0.f0636ceb788e53208c0b1ddd42a0230dc402c8f3.002.1"] |
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 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.