Sailing an Invisible Ocean: What is the Atmosphere? | Weather Course Ep. 1
28 January 2026 · 5 min · 67 views · Soverato
What this video covers
Episode 1 of a sailing meteorology course taught by instructor Riccardo Mainardi, with virtual assistant Maya, covers the composition and structure of Earth's atmosphere as a foundation for understanding wind and weather at sea.Watch The atmosphere is presented as an analogy to living on the ocean floor — air, like water, has mass and exerts pressure.1:42 Maya explains that air consists of roughly 78% nitrogen and 21% oxygen, with trace gases including argon and carbon dioxide.2:17 The atmosphere is divided into layers: the troposphere, where clouds, storms, and all weather relevant to sailors form; the stratosphere, which contains the ozone layer; and higher layers — mesosphere, thermosphere, and exosphere.3:03 The course frames atmospheric pressure and the weight of air as the physical mechanism that drives wind and, by extension, moves sailboats.4:06 The lesson closes with a preview of Episode 2, which will cover the sun as the engine behind all atmospheric motion.4:34
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