Friday 23 December 2011

Rare lenticular clouds over West Yorkshire, In pictures - 22 Dec 2011

Cloud over Denholme
Cloud over Holmfirth
Rare lens-shaped lenticular clouds have been observed in the skies over many parts of West Yorkshire, including over Holmfirth.





























Cloud over Denholme
Cloud over Leeds
More properly known as Altocumulus Lenticularis, the cloud formations on show over places like Denholme (above) were described by BBC Look North's weather presenter and climate correspondent Paul Hudson as a "fabulous display".





























Cloud over Sowerby Bridge
Cloud over Baildon Moor
Mr Hudson said the clouds, like these over Sowerby Bridge, were caused by "stable but moist air which has travelled across the Pennines, causing a standing wave to become established".





























Clouds over windfarm at Oxenhope
Cloud over Horsforth
Lenticular clouds were also seen over the moors at Oxenhope near Bradford. Mr Hudson said: "The bigger the hill or mountain range the air travels across, the more spectacular the lenticular cloud".





























Cloud over Holmfirth
Cloud over Horsforth
Many photographs of the clouds were sent in to BBC Yorkshire. Some people were shocked to see what they described as "UFO clouds" in the sky, including here in Horsforth, Leeds.





















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