Invest 98L, the tropical system that emerged near Mexico early Wednesday, Aug. 13, is tracking toward Texas. Will it impact the state?

Tropical Storm Erin -- which is forecast to strengthen into the first hurricane of the Atlantic season by Saturday morning -- won't have a direct impact on the U.S., but it will bring dangerous rip currents to the East Coast.

Extreme rainfall in New Zealand from future cyclones could rise by up to 35%. New high-resolution modeling predicts that rainfall from tropical cyclones will significantly increase under global warming.