Right now
The most recent data we hold from NOAA arrived 16 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 20 June 2026 at 08:00 UTC. It is kept here as a record.
No stronger detection stands among the 10 recorded within 20 km of this point since 25 May 2026 — 7 others scored the same. The last comparable one was on 17 June 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued June 20 at 2:19AM CDT until June 20 at 3:00AM CDT by NWS New Orleans LA
Nearby, since 25 May 2026
- June 17, 2026 · score 22 · 11.7 km
- September 11, 2026 · score 16 · 16.6 km
- August 7, 2026 · score 16 · 20.5 km
How we know
3 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 22 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) | 22 / 100 |
| Legacy data-support index | 0.71/1 |
| Coordinates | 29.7742, -88.1092 |
| Nearest City | Pascagoula (79 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-06-20T07:19:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.ee094b925728db37592ace50178fefa4 |
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: 2026-06-20T07:19:00.000Z.
First archived: 2026-06-20T07:57:22.064Z. 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 | Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM; Coastal waters from Pascagoula Mississippi to Stake Island Louisiana out 20 to 60 NM; South Mobile Bay; Coastal waters from Pensacola FL to Pascagoula MS out 20 NM; Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM |
| Headline | Special Marine Warning issued June 20 at 2:19AM CDT until June 20 at 3:00AM CDT by NWS New Orleans LA |
| Expires | 2026-06-20T03:00:00-05:00 |
| SenderName | NWS New Orleans LA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ee094b925728db37592ace50178fefa44574aedd.002.1","noaa_urn:oid:2.49.0.1.840.0.286540bfe876ad820ba0ff5ebc51f6aea030502b.001.1"] |
| Iem TypeSummary | M |
| Iem Magnitude | 47 |
| Iem Unit | MPH |
| Iem City | 11 SSE Pascagoula |
| Iem County | GMZ532 |
| Iem State | MS |
| Iem Wfo | LIX |
| Iem Remark | Mesonet station PTBM6 Petit Bois Is (Port of Pascagoula MS). |
| MergedSources | [{"id":"iem_M_30.210_-88.500_1781934120000","source":"iem","severity":"low","severityValue":25,"timestamp":1781934120000,"latitude":30.21,"longitude":-88.5},{"id":"iem_M_30.210_-88.500_1781933400000","source":"iem","severity":"low","severityValue":25,"timestamp":1781933400000,"latitude":30.21,"longitude":-88.5}] |
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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