Right now
The most recent data we hold from NOAA arrived 13 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 23 May 2026 at 00:30 UTC. It is kept here as a record.
It is the 3rd strongest of the 57 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued May 22 at 6:30PM CDT until May 22 at 7:30PM CDT by NWS New Orleans LA
An estimated 186,682 people live within 50 km of this point.
Nearby, since 16 March 2026
- May 24, 2026 · score 43 · 0.7 km
- June 24, 2026 · score 43 · 7.0 km
- May 9, 2026 · score 43 · 7.4 km
How we know
Confirmed by 6 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 89 % 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) | 43 / 100 |
| Our confidence | 89% |
| Coordinates | 30.1929, -89.3775 |
| Nearest City | Long Beach (28 km) |
| Population Exposed | 186.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-22T23:30:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.e197d7961b8ee6f6357c40ec2be84505 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Lake Maurepas; Lake Pontchartrain; Mississippi Sound; Chandeleur Sound; Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM |
| Headline | Special Marine Warning issued May 22 at 6:30PM CDT until May 22 at 7:30PM CDT by NWS New Orleans LA |
| Expires | 2026-05-22T19:30:00-05:00 |
| SenderName | NWS New Orleans LA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.e197d7961b8ee6f6357c40ec2be84505509e8266.001.1","noaa_urn:oid:2.49.0.1.840.0.b2d8104e9ab930d50c903e2daf5e23cba5b08092.001.1"] |
| Iem TypeSummary | M |
| Iem Magnitude | 43 |
| Iem Unit | MPH |
| Iem City | 6 NNE New Orleans |
| Iem County | Orleans |
| Iem State | LA |
| Iem Wfo | LIX |
| Iem Remark | KNEW Lakefront Airport measured a wind gust of 43mph or 37 knots. |
| MergedSources | [{"id":"iem_F_30.380_-89.060_1779476880000","source":"iem","severity":"low","severityValue":25,"timestamp":1779476880000,"latitude":30.38,"longitude":-89.06},{"id":"iem_M_30.200_-90.120_1779478860000","source":"iem","severity":"low","severityValue":25,"timestamp":1779478860000,"latitude":30.2,"longitude":-90.12},{"id":"iem_M_30.210_-88.980_1779489360000","source":"iem","severity":"low","severityValue":25,"timestamp":1779489360000,"latitude":30.21,"longitude":-88.98},{"id":"iem_F_30.370_-89.090_1779476580000","source":"iem","severity":"low","severityValue":25,"timestamp":1779476580000,"latitude":30.37,"longitude":-89.09},{"id":"iem_M_30.040_-90.030_1779481680000","source":"iem","severity":"low","severityValue":25,"timestamp":1779481680000,"latitude":30.04,"longitude":-90.03}] |
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.
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