Great Sitkin (ORANGE/WATCH): Satellite views were mostly cloudy, but elevated temps were seen in a couple of images where the summit was in view. Webcam views were obscured by the weather.
Associated Keywords:
Elevated surface temperatures: barely elevated;
Cloud cover: cloudy;

Shishaldin (YELLOW/ADVISORY): The barest hint of elevated temps (maybe) was visible in VIIRS mid-IR images. Maybe the plume is just slightly warmer than background? Speaking of the plume, webcam views show it's still there and unchanged.
Associated Keywords:
Volcanic clouds: steam/water;
Elevated surface temperatures: barely elevated;
Cloud cover: partly cloudy;

Katmai (GREEN/NORMAL): Anchorage VAAC has been putting out volcanic ash advisories almost continuously all week for Katmai resuspension headed toward southern Kodiak Island. There was a particularly good snapshot of the activity in VIIRS imagery from yesterday.

Associated Images:
375mAKKA-MIR-d20251220t2105180080Z.png

Associated Keywords:
Volcanic clouds: ash signal;
Cloud cover: mostly clear;