Great Sitkin (ORANGE/WATCH): Nothing unusual observed in partly cloudy webcam and satellite views. Including satellite images as documentation because we don't often get clear looks.

Sentinel-2 highlight optimized true color image of Great Sitkin lava flow

view of Great Sitkin lava flow from GSCK

Associated Images:
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Associated Keywords:
Cloud cover: partly cloudy;

Shishaldin (YELLOW/ADVISORY): Nothing unusual observed in mostly clear satellite views. Steaming observed in clear webcam views.

Steaming at Shishaldin viewed from WTUG

Associated Images:
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Associated Keywords:
Volcanic clouds: steam/water;
Cloud cover: mostly clear;

Atka volcanic complex (GREEN/NORMAL): Moderately elevated surface temperatures observed in nighttime VIIRS imagery. Location is known summit lake that is frequently warmer than background in the winter. Webcam offline.

moderately elevated surface temperatures at Korovin summit lake area

Associated Images:
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Associated Keywords:
Elevated surface temperatures: moderately elevated;
Cloud cover: partly cloudy;

Cleveland (GREEN/NORMAL): Moderately elevated surface temperatures observed in nighttime VIIRS imagery. Weak steaming observed in clear webcam views.

Moderately elevated surface temperatures at Cleveland summit

Weak steaming at Cleveland summit viewed from CLNE

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