Cirrus and Cirrostratus over SW

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xmetman

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Nov 6, 2016, 3:41:43 AM11/6/16
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I'm not quite sure where all the cirrus and the cirrostratus that's currently lying down the spine of the SW peninsula this morning originated but it does make for a good picture.


This is it from space.



And here's the analysis



I suppose it may have been the remnants of an old trough that pushed south in the flow from further north.




xmetman

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Nov 6, 2016, 3:57:28 AM11/6/16
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According to the nearby LCBR at Exeter airport that's 5 oktas 18,000 and 5 oktas 22,000 feet in their 0800 UTC AWS observation.

Martin Rowley [West Moors/East Dorset]

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Nov 6, 2016, 4:25:58 AM11/6/16
to Weather and Climate
... I think you've got it Bruce: at 300 mbar - a sharp (and notably diffluent) trough at that level appears to tie in nicely with the observed cloud structure - on latest animation the actual shape of the trough is well marked. We've got a lot of embedded ex-COTRA here too.

Martin.


http://old.wetterzentrale.de/pics/Rtavn0015.gif

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