Why rain on snow in the California mountains worries scientists

Another round of powerful atmospheric rivers is hitting California, following storms in January and February 2023 that dumped record amounts of snow. This time, the storms are warmer, and they are triggering flood warnings ...

Freddy may break tropical cyclone record: UN

Tropical storm Freddy is on track to break the record as the longest-lasting cyclone of its kind, the United Nations said Friday, as the killer storm was set to hit Mozambique once again.

'Rivers in the sky' shape African climate

East Africa is much drier than other tropical land regions, including the Amazon and Congo rainforests. The geography of East Africa was always thought to make the region dry and susceptible to drought, but the precise mechanism ...

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