Jet streams are fast flowing, narrow air currents in the atmosphere. [1] The main terrestrial jet streams are located near the altitude of the tropopause and are westerly winds, flowing west to east around …

Dec 9, 2024 · Jet streams are relatively narrow bands of strong wind in the upper levels of the atmosphere, typically occurring around 30,000 feet (9,100 meters) in elevation.

Jan 28, 2026 · The meaning of JET STREAM is a long narrow meandering current of high-speed winds near the tropopause blowing from a generally westerly direction and often exceeding a speed of 250 …

Oct 22, 2023 · A jet stream is a narrow band of strong wind that flows in the upper atmosphere, specifically in the troposphere and stratosphere. Jet streams occur in both hemispheres and blow …

Dec 26, 2025 · Jet stream, a region of long, narrow, high-speed winds that typically flow northeastward, eastward, and southeastward in the middle and upper troposphere or lower stratosphere.

Oct 19, 2023 · Jet streams are currents of air high above the planet. The winds that batter the top of Mount Everest, Nepal, are jet streams. Jet streams are cold, fast-moving winds that circulate high in …

What is the jet stream? The jet stream is a core of strong winds around 5 to 7 miles above the Earth’s surface, blowing from west to east.

jet′ stream` n. 1. strong, generally westerly winds concentrated in a relatively narrow and shallow stream in the upper troposphere of the earth. 2. the exhaust of a jet or rocket engine.

An unusual amount of cold air can drive the jet stream further south and trigger thunderstorms.

A jet stream is a fast-flowing, narrow air current found in the atmosphere, typically located near the boundary between different air masses, especially at higher altitudes in the tropopause.