A Jet Stream is a high-speed, narrow meandering wind current in the atmosphere that is moving from a westerly direction, and found 9 -16 km above the surface of the Earth, and can reach speeds of 200 mph.
A Jet Stream is a high-speed, narrow meandering wind current in the atmosphere that is moving from a westerly direction, and found 9 -16 km above the surface of the Earth, and can reach speeds of 200 mph.