This alert expired on 9 May 2026 at 05:30 UTC. It is kept here as a record.
It is the 52nd strongest of the 85 detections recorded within 20 km of this point since 8 May 2026. The last comparable one was on 10 May 2026. 17 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued May 8 at 8:16AM CDT until May 16 at 7:00PM CDT by NWS New Orleans LA
Nearby, since 8 May 2026
- July 1, 2026 · score 22 · 0.0 km
- May 10, 2026 · score 22 · 6.2 km
- May 25, 2026 · score 43 · 9.1 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 62 % 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) | 22 / 100 |
| Our confidence | 62% |
| Coordinates | 30.7977, -89.3533 |
| Nearest City | West Gulfport (51 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-11T00:00:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flood Warning_noaa_urn:oid:2.49.0.1.840.0.8a241a8ae8075297f068b3bf1f42dec9 |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Expected |
| Certainty | Likely |
| AreaDesc | St. Tammany, LA; Hancock, MS; Pearl River, MS; Washington, LA; Pearl River, MS; George, MS; Greene, MS |
| Headline | Flood Warning issued May 8 at 8:16AM CDT until May 16 at 7:00PM CDT by NWS New Orleans LA |
| Expires | 2026-05-09T00:30:00-05:00 |
| SenderName | NWS New Orleans LA |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.8a241a8ae8075297f068b3bf1f42dec925fb20b2.002.1","noaa_urn:oid:2.49.0.1.840.0.8a241a8ae8075297f068b3bf1f42dec925fb20b2.001.1","noaa_urn:oid:2.49.0.1.840.0.fdb7136564b2d52b014e98045c621226ce994b2e.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 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 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.