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Today in weather history

In 1977...

Dense fog played but one major factor in the worst disaster in aviation history when two Boeing 747s collided on the runway at Tenerife Airport in the Canary Islands. In all, 583 people were killed when a KLM 747, attempting to take off, collided with a Pan Am 747 as it was taxiing down the same runway. Both aircraft were among 5 aircraft that had been diverted to Tenerife after a terrorist detonated a bomb at Gran Canaria International Airport on the island of Las Palmas, which had been the original destination for both flights. Miraculously, 61 survived, all of whom were aboard the Pan Am flight.

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