This alert expired on 15 March 2026 at 13:15 UTC. It is kept here as a record.
It is the 25th strongest of the 56 detections recorded within 20 km of this point since 14 March 2026.
What the source measured
NOAA reported: Flood Warning issued March 14 at 8:02AM CDT until March 15 at 1:00PM CDT by NWS Shreveport LA
Nearby, since 14 March 2026
- March 15, 2026 · score 22 · 0.0 km
- June 24, 2026 · score 46 · 8.4 km
- June 30, 2026 · score 39 · 16.7 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 58 % 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 | 58% |
| Coordinates | 32.9886, -93.3814 |
| Nearest City | Bossier City (61 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-14T18:00:00.000Z |
| Source | https://api.weather.gov/alerts/urn-oid-2_49_0_1_840_0_797d097986e98b3cbcf9af6c95d608e9b75b7d28_001_1 |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Expected |
| Certainty | Likely |
| AreaDesc | Columbia, AR; Webster, LA |
| Headline | Flood Warning issued March 14 at 8:02AM CDT until March 15 at 1:00PM CDT by NWS Shreveport LA |
| Expires | 2026-03-15T08:15:00-05:00 |
| SenderName | NWS Shreveport LA |
| HasExactCoords | true |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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.