Abstract: The spiral bands that occur in tropical cyclones can be conveniently divided into two classes?outer bands and inner bands. Evidence is presented here that the outer bands form as the result of nonlinear effects during the ...

Abstract: No abstract available.

Abstract: Hurricane eyewalls are often observed to be nearly circular structures, but they are occasionally observed to take on distinctly polygonal shapes. The shapes range from triangles to hexagons and, while they are often ...