Right now
The most recent data we hold from NOAA arrived 2 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 14 May 2026 at 03:15 UTC. It is kept here as a record.
It is the 4th strongest of the 86 detections recorded within 20 km of this point since 8 March 2026. Another comparable one was recorded here earlier the same day. 18 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued May 13 at 6:09AM CDT until May 19 at 7:00PM CDT by NWS New Orleans LA
An estimated 20,480 people live within 50 km of this point.
Nearby, since 8 March 2026
- May 22, 2026 · score 34 · 8.8 km
- March 9, 2026 · score 22 · 16.9 km
- March 8, 2026 · score 22 · 16.9 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 82 % 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 | 82% |
| Coordinates | 30.6309, -90.3635 |
| Nearest City | Hammond (17 km) |
| Population Exposed | 20.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-13T11:09:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flood Warning_noaa_urn:oid:2.49.0.1.840.0.b900c1315c528b57e44c2cf37558482a |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | St. Tammany, LA; Hancock, MS; Pearl River, MS; Harrison, MS; George, MS; Greene, MS; Perry, MS and 8 more areas |
| Headline | Flood Warning issued May 13 at 6:09AM CDT until May 19 at 7:00PM CDT by NWS New Orleans LA |
| Expires | 2026-05-13T22:15:00-05:00 |
| SenderName | NWS New Orleans LA |
| HasExactCoords | true |
| MergedCount | 11 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.b900c1315c528b57e44c2cf37558482a6a95d36f.002.1","noaa_urn:oid:2.49.0.1.840.0.b900c1315c528b57e44c2cf37558482a6a95d36f.001.1","noaa_urn:oid:2.49.0.1.840.0.72f4879b1d6c3e7ce51557ad32f6b41105c3b945.001.1","noaa_urn:oid:2.49.0.1.840.0.3a73616166ff33e4f39aa55bbd473d795372cb26.001.1","noaa_urn:oid:2.49.0.1.840.0.4318e3dabb2f3a4a26b3f388f86419bccf778434.001.1","noaa_urn:oid:2.49.0.1.840.0.e3b19ee74fcdb9f8b1436e0194548e3877c24c8e.002.1","noaa_urn:oid:2.49.0.1.840.0.123407fbfc2922d16ae255815f61aed74a66f74a.001.1","noaa_urn:oid:2.49.0.1.840.0.df88c035b5375e04f8c4c6ba6ba29092eb2cdfeb.001.1","noaa_urn:oid:2.49.0.1.840.0.4660d7d2d5a691a86aac7eb23068c8358762f3ec.001.1","noaa_urn:oid:2.49.0.1.840.0.4660d7d2d5a691a86aac7eb23068c8358762f3ec.003.1","noaa_urn:oid:2.49.0.1.840.0.4660d7d2d5a691a86aac7eb23068c8358762f3ec.002.1"] |
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 near Hammond?
Calamity.live data shows a weather event with CalamityScore 34/100, near Hammond (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.