Great Sitkin (ORANGE/WATCH): No activity observed in cloudy satellite and webcam imagery.
Associated Keywords:
Cloud cover: cloudy;

Shishaldin (YELLOW/ADVISORY): Steaming observed in a clear webcam look. Overnight MIR imagery was clear but no activity observed (no warm temps etc). SAR data from 11/22 shows no significant changes.

Associated Images:
shishaldin_brpk-20251122T223200Z.jpg

Associated Keywords:
Volcanic clouds: steam/water;
Cloud cover: partly cloudy;

Cleveland (GREEN/NORMAL): Clear daytime satellite and webcam imagery show elevated surface temperatures within the still-mostly-totally-snowy crater in Sentinel-2 and daytime MIR. Very minor steaming observed. Nothing unusual in the DOAS data to my eye (SO2 measured at . Just moment of super good weather above the fog.

Associated Images:
cleveland_clcl-20251123T031100Z.jpg
2025-11-22-00_00_2025-11-22-23_59_Sentinel-2_L1C_SWIR.jpg
Screenshot 2025-11-23 at 10.46.07 AM.png

Associated Keywords:
Volcanic clouds: steam/water;
Elevated surface temperatures: moderately elevated;
Cloud cover: partly cloudy;