TOKYO -- The number of "bomb cyclones," also known as winter storms, in the North Pacific Ocean has risen by 20% compared with 30 years ago.
Natural disasters
'Bomb cyclones' in North Pacific up 20%; more typhoons hit Tokyo
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Self-Defense Force personnel and Miyazaki prefecture police search for missing people at the site of a landslide caused by Typhoon Nanmadol in southern Japan in September. © Kyodo
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