Abstract: The dominant feature of the 1958?59 polar-night circulation was the intense warm anticyclone which developed over the Aleutian-Alaskan area in October. The anticyclone persisted throughout the winter acting as an anchor ...

Abstract: The behavior of the polar-night westerlies of the stratosphere is discussed, and their probable vertical extent is examined from rocket sounding evidence. It is shown that travelling wave-perturbations, typically of zonal ...