After the Philippines, Hong Kong could be affected by heavy rains as a result of the typhoon, the Hong Kong Observatory warned. Its path after landfall in Luzon is unclear, but the storm is expected to weaken considerably by Sunday (Sept. 16).

Typhoon Mangkhut is just one of a number of super storms building up globally as the weekend approaches. Over in the Atlantic, Hurricane Florence has weakened to a Category 2 storm but is still expected to bring heavy winds and rainfall to the United States tonight. “Seemingly overnight, the oceans are exploding with tropical cyclone activity,” the Washington Post said (paywall). If the storm systems sustain their strength, the world could see five simultaneous cyclones, a global weather event that’s only happened once.

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