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Contact: Donna McKinney
nrlpao@nrl.navy.mil
202-404-3322
Naval Research Laboratory
Caption: Number of PMCs observed by SHIMMER between 50-58°N versus local time. The red line (2007) shows a clear semidiurnal behavior, whereas the black line (2008) illustrates that in 2008 diurnal behavior is observed. How this difference in cloud occurrence is related to other meteorological data, such as winds and temperatures, is subject to ongoing and proposed work.
Credit: Naval Research Laboratory
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Related news release: NRL's SHIMMER successfully observes Earth's highest clouds
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