An upper air wind system with very high velocities in certain parts of the atmosphere is called ________
An upper air wind system with very high velocities in certain parts of the atmosphere is called ________ Correct Answer Jet stream
streams travel in the tropopause. Jet streams are some of the strongest winds in the atmosphere. Their speeds usually range from 129 to 225 kilometers per hour (80 to 140 miles per hour), but they can reach more than 443 kilometers per hour (275 miles per hour).