This alert expired on 22 May 2026 at 03:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 6 detections recorded within 20 km of this point since 29 April 2026. The last comparable one was on 21 May 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued May 21 at 9:11PM CDT until May 21 at 10:00PM CDT by NWS Jackson MS
An estimated 49,598 people live within 50 km of this point.
Nearby, since 29 April 2026
- May 21, 2026 · score 34 · 0.0 km
- May 10, 2026 · score 39 · 21.0 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 | 32.0782, -92.2291 |
| Nearest City | Monroe (49 km) |
| Population Exposed | 49.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-22T02:11:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.0e7b7ac27bceffd1cc6536bca1479c2d |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Franklin, LA; Madison, LA; Tensas, LA; Winn, LA |
| Headline | Flash Flood Warning issued May 21 at 9:11PM CDT until May 21 at 10:00PM CDT by NWS Jackson MS |
| Expires | 2026-05-21T22:00:00-05:00 |
| SenderName | NWS Jackson MS |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.0e7b7ac27bceffd1cc6536bca1479c2d88a3bd54.001.1","noaa_urn:oid:2.49.0.1.840.0.ce67fd93c89674c5b1ff8a27bd785da08af851a1.001.1"] |
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 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.