This alert expired on 1 July 2026 at 22:30 UTC. It is kept here as a record.
No stronger detection stands among the 43 recorded within 20 km of this point since 16 March 2026 — 17 others scored the same. The last comparable one was on 20 June 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 1 at 4:38PM CDT until July 1 at 5:30PM CDT by NWS Shreveport LA
An estimated 47,889 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 78 % 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 | 78% |
| Coordinates | 31.6233, -92.2569 |
| Nearest City | Alexandria (39 km) |
| Population Exposed | 47.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-01T21:38:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.a7361811b8afaaf6e021efa1cfd020ee |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Grant, LA; La Salle, LA; Natchitoches, LA; Winn, LA; Catahoula, LA |
| Headline | Severe Thunderstorm Warning issued July 1 at 4:38PM CDT until July 1 at 5:30PM CDT by NWS Shreveport LA |
| Expires | 2026-07-01T17:30:00-05:00 |
| SenderName | NWS Shreveport LA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.a7361811b8afaaf6e021efa1cfd020ee1697843f.001.1","noaa_urn:oid:2.49.0.1.840.0.808b6efde8cdab378695065377c4dfea8d8a36a2.001.1"] |
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.