The '''jet stream''' is an air current found six to nine miles above [[Earth]] that travels in the generally eastward direction in [[North America]].
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The '''jet stream''' is an air current found six to nine miles above [[Earth]], which travels in the generally eastward direction in [[North America]].
The '''jet stream''' is usually thousands of miles in length but only hundreds of miles wide, and quite thin in depth.
The '''jet stream''' is usually thousands of miles in length but only hundreds of miles wide, and quite thin in depth.