Though Typhoon Choi-wan maintains its tightly wound symmetric shape in this photo-like image from September 18, 2009, the striking clear eye of previous days is gone.
Super Typhoon Choi-wan is formidable in these images, with tightly spiraling bands of clouds and a distinct eye. A vertical cross section of the storm reveals towering clouds and a clear eye surrounded by dense clouds.
Super-Typhoon Choi-wan had a symmetrical shape, a trait of a strong, well-organized cyclone, when this photo-like image was taken on September 16, 2009.