Abstract: A cyclone that developed over the eastern United States during December 1992 is investigated using a potential vorticity (PV) framework. Upon partitioning the perturbation PV field (which includes the near-surface potential ...

Abstract: omparisons between satellite-derived winds and collocated rawinsonde observations often show a pronounced slow speed bias at mid- and upper levels of the atmosphere. A leading cause of the slow speed bias is the improper ...