Jet streams

High-altitude winds known as jet streams were recognized as a permanent atmospheric feature. These winds, found at the troposphere-stratosphere boundary, can reach speeds of 300 miles per hour.
 Carl-Gustaf Arvid Rossby Sweden 1945 Jet streams

High-altitude winds known as jet streams were recognized as a permanent atmospheric feature. These winds, found at the troposphere-stratosphere boundary, can reach speeds of 300 miles per hour.