KENT, England — Increasing amounts of ash from Iceland’s Grimsvotn volcano have prompted questions about what European air traffic regulators learned from last year’s Eyjafjallajokull eruption, which stranded 10 million travelers when authorities closed airspace for more than eight days.
“Last year, the airport closures spun out of control,” said Frank Furedi, a sociology professor at the University of Kent who studies risk awareness. “What [authorities] have now realized is that they have far more leeway to take a calculated risk.”
Other countries are monitoring the situation. Ash isn’t expected to reach France before Friday, and authorities don’t plan to ground flights, the French environment minister said.
“It comes down to wind direction,” said Richard Taylor, a spokesman for Britain's Civil Aviation Authority. “It’s just unlucky that wind patterns from the northwest carrying ash over northern Europe have coincided with the major eruptions.”
Andrew Doyle, head of content for aviation industry website FlightGlobal.com, said the industry was unprepared for the ash cloud last year because Europe had experienced few volcanic eruptions in recent history.
“In the past, it was feasible to say, ‘We will never fly through any concentration of ash,’ ” he said. “During the past 12 months, the industry has been working hard with meteorologists to develop procedures to allow planes to fly around and through low concentrations of ash.”
Nevertheless, memories abound of last year’s flight disruptions, which cost the airline industry billions of dollars.
Even Air Force One is concerned about disruption: President Obama cut short his visit to Ireland on Monday and left for Britain a night early rather than risk being stranded because of ash.
Mr. Obama is due to arrive in Poland on a state visit Friday, having missed the funeral of Polish President Lech Kaczynski last year because of Eyjafjallajokull’s ash cloud. No further changes to the president’s travel plans have been announced.
Grimsvotn, which began erupting Saturday, is thought to be significantly more powerful than Eyjafjallajokull.
Volcanologist Steve Blake, who was unable to fly to Iceland as planned Tuesday, said the risks are real.
When ash density is high, “the air gets sucked into the engine and stops the engines,” he said.View Entire Story
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