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As everybody knows, all flights in the UK and elsewhere have been cancelled for the time being due to volcanic ash still erupting from an Icelandic volcano. Normally volcanic ash wouldn't have such a dramatic effect, but because of the ice mixing with the lava, the ash erupting includes tiny glass fragments. It is these glass fragments which are so dangerous for plane engines. Because the ash is at 15000 feet, but planes normally fly at 30000 feet, the planes dare not fly through the 15000 feet level, and below 15,000 feet would be flying too low, and so the ban.

This BBC forecast tries to show the rough path expected from the ash and it goes right over the UK and Northern Europe.

The Met Office are due to give an update on the situation at 8 pm, so it became become clearer as to how long the ban remains. But as planes are in the wrong place, don't expect any improvement for quite some time.

If you live in areas with no cloud, you may see some spectacular sunsets and sunrises in the next day or so. Probably the more North you live, the better the result.

The scientists say that there is no risk to health to people on the ground, per this BBC article

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Well, down here in Gloucestershire, the sunrise was just the same as always, nothing spectacular about it at all. But at least it is sunny which is an improvemnt over yesterday.

It's a strange coincidence that on the day the Green party launch their election manifesto, complete with increased taxes for flying, that for the first time in aviation history, no planes in the sky over the UK (just a vast amount of polluting ash). I wonder if one of you scientists out there can say which is more polluting: aircraft flying, volcanic ash, or hot air coming from politicians?
El Loro

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