This alert expired on 28 May 2026 at 20:30 UTC. It is kept here as a record.
It is the 7th strongest of the 28 detections recorded within 20 km of this point since 29 April 2026. The last comparable one was on 23 May 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued May 28 at 12:27PM CDT until May 28 at 3:30PM CDT by NWS Shreveport LA
An estimated 49,598 people live within 50 km of this point.
Nearby, since 29 April 2026
- June 24, 2026 · score 39 · 8.1 km
- July 2, 2026 · score 34 · 14.9 km
- June 26, 2026 · score 39 · 15.2 km
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 80 % 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 | 80% |
| Coordinates | 32.5917, -92.0361 |
| Nearest City | Monroe (12 km) |
| Population Exposed | 49.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-28T17:27:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.5185ea24263d5365187336b350f3701e2b02da3d.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Ouachita, LA; Union, LA |
| Headline | Flash Flood Warning issued May 28 at 12:27PM CDT until May 28 at 3:30PM CDT by NWS Shreveport LA |
| Expires | 2026-05-28T15:30:00-05:00 |
| 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 Monroe?
Calamity.live data shows a weather event with CalamityScore 34/100, near Monroe (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.