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What a difference a day makes

Posted by Richard Thursday, April 22, 2010


As the airlines gradually get back to normal, the BBC publishes the map showing the extent of the ash cloud (as modelled by the Met Office) and the current no-fly zones, based on the new criteria of a 2000 microgram per cubic metre tolerance.

More than anything, this shows the extent to which the hazards have been exaggerated, and the need to characterise the cloud by physical measurements, rather than just rely on the models. Watts up with that follows up the story, with some interesting comments.

ICELAND'S REVENGE THREAD