This alert expired on 11 May 2026 at 03:00 UTC. It is kept here as a record.
No stronger detection stands among the 41 recorded within 20 km of this point since 16 March 2026 — 35 others scored the same. The last comparable one was on 16 March 2026.
What the source measured
NOAA reported: Flash Flood Warning issued May 10 at 7:01PM CDT until May 10 at 10:00PM CDT by NWS Shreveport LA
An estimated 40,705 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 1, 2026 · score 34 · 9.7 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 90 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 34 / 100 |
| Our confidence | 90% |
| Coordinates | 32.1586, -92.8614 |
| Nearest City | Ruston (45 km) |
| Population Exposed | 40.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-11T00:01:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.75555e65ee1f05b7e51c150b4b3baa1eebad630e.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Bienville, LA; Jackson, LA; Natchitoches, LA; Winn, LA |
| Headline | Flash Flood Warning issued May 10 at 7:01PM CDT until May 10 at 10:00PM CDT by NWS Shreveport LA |
| Expires | 2026-05-10T22:00:00-05:00 |
| SenderName | NWS Shreveport LA |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | Pleasant Hill |
| Iem County | Sabine |
| Iem State | LA |
| Iem Wfo | SHV |
| Iem Remark | Quarter size hail fell at the Family Dollar in Pleasant Hill. |
| MergedSources | [{"id":"iem_H_31.690_-93.300_1778449140000","source":"iem","severity":"low","severityValue":25,"timestamp":1778449140000,"latitude":31.69,"longitude":-93.3},{"id":"iem_H_31.820_-93.510_1778446260000","source":"iem","severity":"low","severityValue":25,"timestamp":1778446260000,"latitude":31.82,"longitude":-93.51}] |
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 10 February 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.
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 188 scientific monitoring sources.