Cirrocumulus - possible modification by aircraft?

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Cirrocumulus - possible modification by aircraft?

Postby Martin Rowley » 2014 Jun 13, 17:04

CI_CC_CASFLO_13JUN2014_WESTMOORS.jpg
CI_CC_CASFLO_13JUN2014_WESTMOORS.jpg (49.5 KiB) Viewed 1284 times


Time: 13/0905Z JUN 2014
Place: West Moors, East Dorset
Looking: SSW

Not sure what's happening here; I think the 'main' cloud (running away from photographer in image) is an old condensation trail that's considerably spread apart - then there's been some 'interference' by a/c in transit possibly disturbing the thermal/humidity structure through the layer and triggering instability. I've noted it as Cc cas & flo (I could detect distinct ice trails/tails below the cloud elements). Not seen anything quite like it before.

Martin.
Martin Rowley
West Moors, East Dorset [ altitude: 17 m/56' ]
NGR SU 082 023: postcode BH22 0GB
50deg49min15secN, 01deg53min03secW
Martin Rowley
 
Posts: 154
Joined: 2011 Nov 25, 12:54

Re: Cirrocumulus - possible modification by aircraft?

Postby greg_gruner » 2014 Jun 14, 16:18

Interesting. Part of it looks like a "distrail" (clear space cut through cloud) possibly caused by the heat of the aircraft's engines evaporating the cloud. But in you case it looks like that the heat has also caused instability and convective type clouds to form.
Greg Gruner
Farnborough, Hampshire
greg_gruner
 
Posts: 224
Joined: 2012 Feb 04, 17:28


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