Tropical activity booms in the Pacific as tropical storms Karina and Lowell aim to become hurricanes
02:37
Tropical activity booms in the Pacific as tropical storms Karina and Lowell aim to become hurricanes
Tropical storms Karina and Powell have formed in the Pacific and are looking to become hurricanes this weekend. There is currently no threat to land from either system, but this is just the latest sign of an extremely active season in the Pacific.
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