Long-wavelength Cloud Rolls Over the Arctic Ice |
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| Authors: | George Chimonas |
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| Institution: | (1) School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, Georgia, 30332-0340, U.S.A. |
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| Abstract: | Cloud bands observed over the Arctic sea ice are interpreted in terms of long-wavelength gravity-wave modes trapped between the ground and a vertically-thin over-reflecting layer in the mid-troposphere. The over-reflecting layer is neutrally-stratified and lies between the counter-streaming upper troposphere and lower troposphere in a strong high-pressure system. The Arctic cloud bands appear to share many features with the long-wavelength roll waves observed in more temperate latitudes. |
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| Keywords: | Atmospheric layering Atmospheric waves Cloud bands Over reflection Roll waves |
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