This alert expired on 16 March 2026 at 00:00 UTC. It is kept here as a record.
It is the 7th strongest of the 57 detections recorded within 20 km of this point since 12 March 2026. The last comparable one was on 14 March 2026. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued March 14 at 8:26PM CDT by NWS Shreveport LA
An estimated 70,227 people live within 50 km of this point.
Nearby, since 12 March 2026
- May 8, 2026 · score 39 · 0.0 km
- May 7, 2026 · score 32 · 0.0 km
- March 21, 2026 · score 39 · 0.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 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) | 39 / 100 |
| Our confidence | 78% |
| Coordinates | 31.4829, -94.7571 |
| Nearest City | Nacogdoches (16 km) |
| Population Exposed | 70.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-15T01:26:00.000Z |
| Source | https://api.weather.gov/alerts/urn-oid-2_49_0_1_840_0_5b980178175f522cd0b64be2c08e5338ca4ce0a1_001_1 |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Angelina, TX; Nacogdoches, TX |
| Headline | Flood Warning issued March 14 at 8:26PM 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 near Nacogdoches?
Calamity.live data shows a weather event with CalamityScore 39/100, near Nacogdoches (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.