This alert expired on 24 June 2026 at 22:00 UTC. It is kept here as a record.
It is the 3rd strongest of the 26 detections recorded within 20 km of this point since 25 April 2026. Another comparable one was recorded here earlier the same day. 10 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued June 24 at 4:31PM CDT until June 24 at 5:00PM CDT by NWS New Orleans LA
An estimated 307,360 people live within 50 km of this point.
Nearby, since 25 April 2026
- June 16, 2026 · score 37 · 4.9 km
- August 13, 2026 · score 43 · 10.9 km
- May 7, 2026 · score 67 · 12.7 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 82 % 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 | 82% |
| Coordinates | 30.4091, -88.2072 |
| Nearest City | Tillmans Corner (20 km) |
| Population Exposed | 307.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-24T21:31:00.000Z |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Mississippi Sound; Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM; North Mobile Bay; South Mobile Bay; Mississippi Sound; Coastal waters from Pensacola FL to Pascagoula MS out 20 NM |
| Headline | Special Marine Warning issued June 24 at 4:31PM CDT until June 24 at 5:00PM CDT by NWS New Orleans LA |
| Expires | 2026-06-24T17:00:00-05:00 |
| SenderName | NWS New Orleans LA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.064fcc04caa6db47063ecde6775cf5cf9b1ca475.001.1","noaa_urn:oid:2.49.0.1.840.0.928a8e08eb6432980b7b4cdab3b177533b69e45f.001.1"] |
| Iem TypeSummary | M |
| Iem Magnitude | 41 |
| Iem Unit | MPH |
| Iem City | 2 NW Biloxi |
| Iem County | Harrison |
| Iem State | MS |
| Iem Wfo | LIX |
| Iem Remark | AWOS station KBIX Biloxi Keesler. |
| MergedSources | [{"id":"iem_M_30.420_-88.920_1782334500000","source":"iem","severity":"low","severityValue":25,"timestamp":1782334500000,"latitude":30.42,"longitude":-88.92}] |
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 Tillmans Corner (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.