Derived cloud-top pressure for Wilma

Cloud-top pressure for Wilma, derived from the 21 October MERIS image by Freie Universität Berlin. Cloud-top pressure is defined as the atmospheric pressure at the altitude of the top of the cloud, measured in hectopascals (hPa). The structure of the hurricane is clear, including a well-defined eye, eye wall and spiral arms made up of dense thunderstorms.