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Pinatubo's eruption was the second largest of the 20th century, 10 times more powerful than the 1980 eruption of Mt. St. Helens. It's climactic blast coughed up more than 1 cubic mile of material. The effect of all the debris and SO2 in the atmosphere lowered worldwide temperatures by one degree Fahrenheit from 1991-93.
Typhoon Yunya wasn't an epic storm by Pacific standards. It's top winds when it hit the island of Luzon made it only a minimal typhoon. But in a coincidence of Biblical proportions, it's path took it across Luzon just 50 miles north of Pinatubo on the same day as the volcano's climactic explosion on June 15, 1991.
The result was a torrential downpour ... of mud. Here's a clip from a Nova program on the dual disaster, narrated by the incomparable Hal Holbrooke:
A little perspective as the East Coast freaks out this week.