A cloud trapped between sea and mountains reveals the structure of the atmosphere
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A cloud trapped between sea and mountains reveals the structure of the atmosphere

by Hui Zhang

A low-level cloud lingers above the fjord in Tromsø, Norway, confined between the sea and surrounding mountains. Likely shaped by temperature inversion and local topography, it remains suspended near the surface, revealing the structure of the atmospheric boundary layer. Snow-covered mountains, a coastal city, and the Arctic winter light together show how atmosphere, terrain, and ocean interact in a high-latitude environment.