The ash cloud in April meant he couldn't come over.

Now, these were short meetings because, as you all know, we are running away from an ash cloud.

So far, there have been no signs of ash clouds.

The next question is why the ash cloud hung around over Europe for so long.

But there was also some criticism from the industry at the response to the ash cloud.

Last year, we got stuck there during the ash cloud, and couldn't get home for three weeks.

He has been tracking the progress of the ash cloud.

An ash cloud is an acceptable reason to miss a meeting, but in our current working culture a baby isn't.

This will only happen if the wind blows the ash cloud your way.

The decision on whether to fly in certain ash cloud conditions is left to individual airlines.

We can discuss whether the ash cloud should have been investigated more quickly.

However, they expect the ash cloud to have cleared by late Wednesday.

Experts also say that the ash clouds, which are not visible from the Earth's surface, present no health risk.

Ash clouds can also drift great distances from their source.

Gil estimated that the ash cloud reached five miles into the air.

The firm is understood to have been a victim of the ash cloud crisis earlier this year.

Iceland's ash cloud has not yet settled in the world of music.

"It is very unusual for ash clouds to do two circuits."

The number was boosted significantly following ash cloud in April 2010.

The ash cloud can clearly be seen, even on the quicklook images.

Thomas ran toward the center of the ash cloud.

Gas emissions had increased but no ash cloud was detected.

Why is the ash cloud causing disruption to air traffic?

Instead, they would give airlines information about the location and density of ash clouds.

Ash clouds have cleared over the volcano, which was quiet later in the morning.