"I think we're going to get the upper level winds carrying that ash down for a few more days yet until the upper wind patterns change which will probably not happen until the time frame Thursday-Saturday.

VOA: standard.2010.04.17

In both instances, the Met Office failed to predict the movements of the jet stream - the high-level wind that races round the world 10km above the surface.

BBC: Met Office cools summer forecast

The organisation said decisions on wind projects at local level were being made faster than they were last year, suggesting that developers, communities and local government were "working together better than ever before".

BBC: Wind industry 'on track' to power 10% of homes

Mr Fraser complained that the Scottish government's SNP administration was disrespecting local views when overturning decisions against wind farms made at council level.

BBC: Tories and SNP clash over wind power support