The large meanders in them are called Rossby waves and can extend over 20 degrees or more of latitude.
The large meanders in them are called Rossby waves and can extend over 20 degrees or more of latitude. They form in areas of the tropopause with large temperature gradients, and the magnitude of the gradient determines the strength of the winds produced. These winds can reach speeds in excess of 100 miles per hour and always flow from west to east. It is because of them that flights from New York to London take about 1 hour less than flights in the opposite direction. For ten points, name these narrow high-altitude air currents.
The large meanders in them are called Rossby waves and can extend over 20 degrees or more of latitude.
{Jet stream}s