Right now
The most recent data we hold from NOAA arrived 82 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
This alert expired on 13 September 2026 at 01:15 UTC. It is kept here as a record.
What the source measured
NOAA reported: Special Marine Warning issued September 12 at 8:37PM EDT until September 12 at 9:15PM EDT by NWS Key West FL
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 16 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 v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 16 / 100 |
| Legacy data-support index | 0.60/1 |
| Coordinates | 25.4899, -82.2393 |
| Nearest City | Marco Island (72 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-09-13T00:37:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.a112b5f1562c2148f93cd6e611b45120bad6e321.001.1 |
Physical priority index · v4 (historical). 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: 2026-09-13T00:37:00.000Z.
First archived: 2026-09-13T00:45:58.993Z. 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 | Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms; Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM |
| Headline | Special Marine Warning issued September 12 at 8:37PM EDT until September 12 at 9:15PM EDT by NWS Key West FL |
| Expires | 2026-09-12T21:15:00-04:00 |
| SenderName | NWS Key West FL |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.a112b5f1562c2148f93cd6e611b45120bad6e321.001.1","noaa_urn:oid:2.49.0.1.840.0.ce7382c288551eb47b97b9bd8572b06a0462c98d.001.1","noaa_urn:oid:2.49.0.1.840.0.8359048f4e92d4272cc96adbefb316b46b456755.001.1"] |
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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