Weather Blog

May 23, 2008|By FRANK ROYLANCE | FRANK ROYLANCE,Sun Reporter -- Weather Blogger

Donald Gansauer, in Canton, remembers that the 1991 eruption of Mount Pinatubo in the Philippines caused global cooling for several years. "Do climatologists believe the current eruptions of the Chaiten volcano in Chile and Mount Etna in Italy will have a similar effect?" Not Mount Etna. Chaiten's blast, while smaller than Pinatubo's, has sent dust to 55,000 feet, high enough to persist and cut sunlight. But the southern oceans steady temperatures below the equator. Dust needs to spread north to cool the planet. Scientists are watching.

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