Instructions: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Input: An annular hurricane is a rare type of hurricane that has a big , circular eyewall , and thick , deep convection around it with no spiral rainbands .
Output:
An annular tropical cyclone is a tropical cyclone that features a normal to large , symmetric eye surrounded by a thick and uniform ring of intense convection , often having a relative lack of discrete rainbands , and bearing a symmetric appearance in general .