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Pyeongchang's wind a concern for Olympics

One of the Olympics' main sources of concern for athletes is also one of the Pyeongchang area's natural resources. CNN's Ivan Watson struggled to stand as he visited one of the city's main wind turbine farms.

Worst storm in 60 years ravages Tonga

By Steve George and Sandi Sidhu, CNN
Large parts of Tonga have been left without power after Tropical Cyclone Gita smashed into the Pacific island nation, flattening buildings, downing electrical lines and causing widespread flooding.

Oops! It happened again -- tsunami test alert causes scare

By Brandon Miller, CNN Meteorologist
People along the US East and Gulf Coasts received a startling "Tsunami Warning" message on their phones Tuesday, after a routine monthly test message was mistakenly pushed out by some weather apps as a real warning.

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