Question

what is a jetstream?​

Answer 1

Answer:

Jet streams are relatively narrow bands of strong wind in the upper levels of the atmosphere. The winds blow from west to east in jet streams but the flow often shifts to the north and south. Jet streams follow the boundaries between hot and cold air. ... The earth's rotation is responsible for the jet stream as well.

Answer 2

Answer:

Jet streams are fast flowing, narrow, meandering, air currents in the atmospheres of some planets, including Earth. On Earth, the main jet streams are located near the altitude of the tropopause and are westerly winds.