Moderate Storm Surge — Adak Island, AK
Reported by CO OPS today.
It is one of only 2 we have recorded within 20 km of this point since 2 September 2026. Another comparable one was recorded here earlier the same day.
What the source measured
CO OPS reported: Water level 0.57m above predicted at Adak Island, AK. Observed: 0.62m, Predicted: 0.05m (MLLW datum).
The observed water level was 0.62 m, against 0.05 m predicted.
How we know
One source: CO OPS. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 50 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Floods |
| Severity | Medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 50% |
| Coordinates | 51.8633, -176.6320 |
| Nearest City | Anadyr (1470 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-02T13:00:00.000Z |
| Source | https://tidesandcurrents.noaa.gov/stationhome.html?id=9461380 |
Score Breakdown
Technical Details
| StationId | 9461380 |
| StationName | Adak Island, AK |
| ObservedM | 0.62 |
| PredictedM | 0.05 |
| SurgeM | 0.57 |
| Datum | MLLW |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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.
Want to know when something happens in this area?
Calamity.live data shows a flood event with CalamityScore 22/100, based on data from co_ops. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.