This alert expired on 31 August 2026 at 23:15 UTC. It is kept here as a record.
What the source measured
NOAA reported: Special Marine Warning issued August 31 at 12:43PM HST until August 31 at 1:15PM HST by NWS Anchorage AK
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, at 60 % 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) | 16 / 100 |
| Our confidence | 60% |
| Coordinates | 59.1367, -144.5200 |
| Nearest City | Eagle River (370 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-31T22:43:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.2a0f7fa6c0c1c7eb79bb73c09893453d0d63cd81.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Cape Suckling to Cape Cleare from 15 to 75 NM |
| Headline | Special Marine Warning issued August 31 at 12:43PM HST until August 31 at 1:15PM HST by NWS Anchorage AK |
| Expires | 2026-08-31T13:15:00-10:00 |
| SenderName | NWS Anchorage AK |
| HasExactCoords | true |
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 16/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.