Right now
The most recent data we hold from NOAA arrived 1 minute 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 18 June 2026 at 18:30 UTC. It is kept here as a record.
It is the 3rd strongest of the 43 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued June 18 at 12:56PM CDT until June 18 at 1:30PM CDT by NWS New Orleans LA
Urban PEI: 186,682 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- May 9, 2026 · score 43 · 5.5 km
- May 24, 2026 · score 43 · 7.0 km
- May 22, 2026 · score 43 · 7.1 km
How we know
30 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 43 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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) | 43 / 100 |
| Legacy data-support index | 0.89/1 |
| Coordinates | 30.1367, -89.3424 |
| Nearest City | Long Beach (30 km) |
| Urban exposure index (PEI) | 186.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-18T17:56:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.5fc89211f8d5d8cb55777522504e9523963c10e9.002.1 |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-06-18T17:56:00.000Z.
First archived: 2026-06-18T18:26:43.921Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Lake Pontchartrain; Mississippi Sound; Lake Borgne; Chandeleur Sound |
| Headline | Special Marine Warning issued June 18 at 12:56PM CDT until June 18 at 1:30PM CDT by NWS New Orleans LA |
| Expires | 2026-06-18T13:30:00-05:00 |
| SenderName | NWS New Orleans LA |
| HasExactCoords | true |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 10 NNE Kiln |
| Spc County | Hancock |
| Spc State | MS |
| Spc Comments | Trees on house. Occupants were rescued. (LIX) |
| Iem TypeSummary | F |
| Iem City | 7 N Kiln |
| Iem County | Hancock |
| Iem State | MS |
| Iem Wfo | LIX |
| Iem Remark | Highway 603 near Hoda Road was impassable due to heavy rainfall and flooding. |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
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.
Review the area, threshold and delivery channel in your account.
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