Severe Severe Storm ● Closed
High Wind Warning issued September 23 at 5:20AM AKDT until September 24 at 10:00AM AKDT by NWS Anchorage AK, United States of America
Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.
* WHAT...West winds 45 to 65 mph with gusts up to 75 mph expected.
* WHERE...Shemya and Attu Islands.
* WHEN...From 10 PM this evening to 10 AM AKDT Thursday.
* IMPACTS...High winds may move loose debris, damage property, and
cause power outages. Travel will be difficult.
* ADDITIONAL DETAILS...A strong low pressure system rapidly
strengthening in the southern Bering will bring very strong
westerly winds beginning this evening and continuing into late
Thursday morning. The strongest wind gusts up to 75 mph are likely
across the western Aleutian Islands overnight tonight into early
Thursday morning. Winds to steadily diminish through late Thursday
morning.
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Shemya and Attu Islands |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Expected |
| Cap Certainty | Likely |
| Cap Expires | 2026-09-23T16:00:00-08:00 |
Official source
Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.
This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.
Severity as published by WMO Alert Hub (national weather services).
View original reportThis event as JSON · API and licence
Source updated 26 days ago (Sep 23, 2026 13:21 UTC) · we last heard from WMO Alert Hub (national weather services) 52 seconds ago
On a slow connection? Low-bandwidth version — no map, no scripts, under 14 KB.
About this location
The agency did not publish coordinates for this warning. The pin is the centre of the country, not the location of the event — read the area name, not the map, for where it applies.
Area as the agency stated it: Shemya and Attu Islands
Official authorities in United States
If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.
More for United States →Earlier severe storm events in United States
Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.
Nearby & related events
Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.