They are jet streams
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The primary winds found in the upper troposphere are called jet streams. Jet streams are narrow, fast-flowing air currents that travel from west to east at upper levels of the atmosphere, usually between 7 to 12 kilometers above the Earth's surface. They can have a significant impact on weather patterns and aviation routes.
jetstreams
The troposphere
The upper troposphere is the region of the Earth's atmosphere located above the lower troposphere and below the stratosphere. It typically extends from an altitude of around 8 to 15 kilometers above the Earth's surface. The upper troposphere plays a significant role in weather patterns and atmospheric circulation.
You were experiencing weather phenomena such as clouds, rain, and winds, as the troposphere is the lowest layer of Earth's atmosphere where weather occurs.
Surface winds have to flow around such things as buildings and mountains. Upper-level winds have no 'obstructions' to alter their path.