Great Sitkin (ORANGE/WATCH): Nothing unusual observed in cloudy satellite and webcam views.
Associated Keywords:
Cloud cover: cloudy;

Pavlof (YELLOW/ADVISORY): Nothing unusual observed in partly cloudy satellite and webcam views.
Associated Keywords:
Cloud cover: partly cloudy;

Shishaldin (YELLOW/ADVISORY): Weakly elevated surface temperatures and steaming observed in Sentinel 2 SWIR imagery. Surface temperatures not elevated enough to be observed in VIIRS data. Steaming observed in clear webcam views.

Sentinel 2 SWIR imagery showing weakly elevated surface temperatures at Shishaldin summit

True Color Sentinel 2 imagery showing steaming coming from Shishaldin summit

steaming at shishaldin observed from WTUG

Associated Images:
20260120-shishaldin-S2-swir.png
20260120-shishaldin-S2-hotc.png
shishaldin_wtug2-20260121T200100Z.jpg

Associated Keywords:
Volcanic clouds: steam/water;
Elevated surface temperatures: barely elevated;
Cloud cover: mostly clear;