"The wind field of a tropical cyclone contains the information of the storm's intensity, structure, and potential impact on coastal regions," said Li. With a more detailed picture of what that ...

(WWSB) - Tropical system Potential Tropical Cyclone Six is now Tropical Storm ... The system has improved in its structure with a defined circulation center and stronger wind flow.

We break down why this index helps to more accurately quantify whether a given tropical season was more active than usual.