Jet streams form at the tropopause, the transitional region between the troposphere and the stratosphere.
The tropopause is typically highest at the equator and lowest near the poles.
tropopause height is sensitive to temperature changes in the troposphere and stratosphere.
Warming the troposphere or cooling the stratosphere tends to increase tropopause height.
Be able to identify where synoptic-scale forcing for lift exists based upon examination of tropopause maps.
To the north of the break the tropopause is low in the atmosphere and to the south it is higher.
Together the tropopause and the troposphere are known as the lower atmosphere.
Both the tropopause and the troposphere are known as the lower atmosphere.
British Dictionary definitions for tropopause
(meteorol) the plane of discontinuity between the troposphere and the stratosphere, characterized by a sharp change in the lapse rate and varying in altitude from about 18 km (11 miles) above the equator to 6 km (4 miles) at the Poles