Climatology
The jet stream is a fast-flowing air current found in the atmosphere, typically located at high altitudes around 10 kilometers (6 miles) above the Earth’s surface. It plays a crucial role in shaping weather patterns and influencing global atmospheric circulation by acting as a boundary between different air masses, particularly between polar and warmer air. Its position and strength can significantly affect the climate of regions below, as it guides storm systems and influences temperature distribution.
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