Which one of the following statements with regard to Jet stream, an upper level tropospheric wave, is not correct?
A
It is narrow band of high-velocity wind.
B
It\ \follows\ \the\ \wave\ \path\ \near\ \the tropopause at elevations of 8 km to 15 km.
C
Jet\ streams\ are typically\ continuous over long distances.
D
In summer, the polar front jet achieves its maximum force.
Correct Answer: It\ \follows\ \the\ \wave\ \path\ \near\ \the tropopause at elevations of 8 km to 15 km.
All are correct except D, as Jet streams are phenomena of winter. It is believed that jet stream exercises an important influence on the winter weather in India.