This alert expired on 16 March 2026 at 00:00 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. The last comparable one was on 14 March 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued March 14 at 8:22PM CDT until March 18 at 7:00PM CDT by NWS Shreveport LA
Nearby, since 14 March 2026
- March 15, 2026 · score 22 · 0.0 km
- March 14, 2026 · score 22 · 0.0 km
- June 24, 2026 · score 46 · 8.4 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 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 | 2026-03-15T01:22:00.000Z |
| Source | https://api.weather.gov/alerts/urn-oid-2_49_0_1_840_0_b112f3d31e7dd41b6b4611844ab435b999fde942_001_1 |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Columbia, AR; Webster, LA |
| Headline | Flood Warning issued March 14 at 8:22PM CDT until March 18 at 7:00PM CDT by NWS Shreveport LA |
| Expires | 2026-03-15T19:00:00-05:00 |
| 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.