Articles | Volume 26, issue 17
https://doi.org/10.5194/acp-26-12689-2026
https://doi.org/10.5194/acp-26-12689-2026
Research article
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08 Sep 2026
Research article | Highlight paper |  | 08 Sep 2026

Cloud liquid water path at the North Slope of Alaska has minimal sensitivity to local meteorology in Arctic winter

Kara Hartig, John J. Cassano, Matthew D. Shupe, and Amy Solomon

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Editorial statement
This article provides substantial new insights into the meteorological processes responsible for liquid cloud formation in the Arctic, based on a decadal-scale climatology. Liquid clouds are found to be commonplace and surprisingly insensitive to the meteorological regime, including to moisture level and temperature. Various candidate mechanisms are proposed for liquid cloud formation with encouragement that the atmospheric sciences community determine which is most likely to be at play.
Short summary
Liquid-containing Arctic clouds have a strong influence on surface temperature and sea ice extent in winter, but how weather conditions impact cloud cover remains a mystery. This study uses observations from northern Alaska to investigate this relationship. We find that, contrary to expectations, the amount of cloud liquid is remarkably insensitive to temperature, moisture, wind direction, and the large-scale atmospheric flow.
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