Hurricane Iona has strengthened into a Category 3 storm far southeast of the Hawaiian Islands. The NHC is also tracking more in the Pacific.

National Hurricane Center tracking 4 tropical waves. Will storm develop in early August?

The National Hurricane Center gives the latest update on Hurricane Iona and says it is "rapidly weakening" to the south of Hawaii.

The National Hurricane Center is tracking four tropical waves in the Atlantic basin, including two in the Caribbean. Tropical wave 1: An eastern Atlantic tropical wave is along 29W, south of 19N ...

The National Hurricane Center gives the latest update on Hurricane Iona and says it is "rapidly weakening" to the south of Hawaii.

The Central Pacific Hurricane Basin saw a surprising uptick in storms in late July from both major Hurricane Iona and Tropical Storm Keli.

Hurricane Iona has strengthened into a Category 3 storm far southeast of the Hawaiian Islands. The NHC is also tracking more in the Pacific.

A so-far unremarkable Atlantic hurricane season is heading for a 'pivot point,' forecasters warn. Here's what to expect.