This alert expired on 24 May 2026 at 09:45 UTC. It is kept here as a record.
It is the 3rd strongest of the 27 detections recorded within 20 km of this point since 22 May 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued May 24 at 4:15AM CDT until May 24 at 4:45AM CDT by NWS New Orleans LA
An estimated 264,552 people live within 50 km of this point.
Nearby, since 22 May 2026
- June 18, 2026 · score 49 · 4.6 km
- May 22, 2026 · score 43 · 9.0 km
- May 28, 2026 · score 43 · 9.8 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 85 % 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) | 43 / 100 |
| Our confidence | 85% |
| Coordinates | 30.4191, -88.6240 |
| Nearest City | Gautier (4 km) |
| Population Exposed | 264.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-24T09:15:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.b6b5bb9e864da686c4bf0d65f6ce6fb2 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Mississippi Sound; North Mobile Bay; South Mobile Bay; Mississippi Sound |
| Headline | Special Marine Warning issued May 24 at 4:15AM CDT until May 24 at 4:45AM CDT by NWS New Orleans LA |
| Expires | 2026-05-24T04:45:00-05:00 |
| SenderName | NWS New Orleans LA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.b6b5bb9e864da686c4bf0d65f6ce6fb288a3c03a.001.1","noaa_urn:oid:2.49.0.1.840.0.a666d6982381737be43dc82e643bb5a540cd61be.001.1"] |
| Iem TypeSummary | M |
| Iem Magnitude | 49 |
| Iem Unit | MPH |
| Iem City | 10 S Pascagoula |
| Iem County | GMZ532 |
| Iem State | MS |
| Iem Wfo | LIX |
| Iem Remark | Petit Bois NOS observation reported a Marine Thunderstorm Wind Gust of 43 knots. |
| MergedSources | [{"id":"iem_M_30.220_-88.520_1779612120000","source":"iem","severity":"low","severityValue":25,"timestamp":1779612120000,"latitude":30.22,"longitude":-88.52}] |
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 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 43/100, near Gautier (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.