UKC

Lenticular clouds?

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 roddyp 20 Jun 2013
I saw these odd looking clouds yesterday morning just after sunrise, while camping in the Carneddau, in the lee of Foel Grach above Dulyn.

They dispersed completely about 10 mins afterwards, but the strange 'layering' at the top - and the curved shape - were pretty distinctive.

Anyone know if they're lenticular, or something else?

http://www.ukclimbing.com/images/dbpage.php?id=222173
http://www.ukclimbing.com/images/dbpage.php?id=222174
 Mark Bull 20 Jun 2013
In reply to roddyp:

Yes, they are lenticulars!
adam11 20 Jun 2013
In reply to roddyp:

Were they static or moving with the wind?
 The Lemming 20 Jun 2013
In reply to adam11:
> (In reply to roddyp)
>
> Were they static or moving with the wind?


You mean like the film Independence Day?
OP roddyp 20 Jun 2013
In reply to adam11:

They appeared static.

Wind speed generally was low, and I think the wind was basically westerly.

The overall cloudbase was probably about 4000', but these were definitely lower.
 The Lemming 20 Jun 2013
In reply to roddyp:

I quite like mammary clouds, not for their schoolboy sniggering but because they look so cool when the whole sky is covered in a blanket of them.
 sbc_10 20 Jun 2013
In reply to roddyp:

I always thought that with a really good display of Lenticular form clouds, that they were the dominant middle cloud group. Your photos show a nice layer of alto-stratus above, which leads me to guess at them being created by local geographic factors. (ie fast moving moist air from the right direction and a bit of suitable relief). Their transistory nature maybe due to the fact that lower level winds are more variable in nature than the air streams higher up.

Anyway, always good to see a cloud-centric photo.

 CurlyStevo 20 Jun 2013
In reply to roddyp:
No offence but the look rather under whelming and quite different to all the other pictures of Lenticular clouds I've seen.
 Mike-W-99 20 Jun 2013
In reply to CurlyStevo:
Yeah, they come in various shapes and don't all look like flying saucers.
Took this a few months ago.
http://www.prog99.com/Hillwalking%20in%20Scotland/2013/Feshie%20Munros%20-%...
OP roddyp 20 Jun 2013
In reply to CurlyStevo:

No offence taken. The shots were posted so that someone could hopefully confirm what I was looking at, rather than for their (lack of) artistic or technical merit.

It's because they are 'different to all the other pictures' that I'm curious.
 DaveHK 20 Jun 2013
In reply to roddyp:

They're lenticularis. Caused by a standing wave over hills.
 Siward 20 Jun 2013
In reply to DaveHK:
Here's some from a couple of years ago. These seems high altitude and were clearly being 'stretched' ny the wind. Much better than the photo suggests.


http://www.ukclimbing.com/images/dbpage.php?id=176025
In reply to roddyp: yep, they're clouds alright.
 DaveHK 20 Jun 2013
In reply to Siward:

We frequently see them over Ben Wyvis.

I'm starting a Facebook campaign to have them named after me.
 Siward 20 Jun 2013
In reply to DaveHK: Kerr-louds?
 Joak 21 Jun 2013
In reply to Siward: LentiKerr clouds!
 DaveHK 21 Jun 2013
In reply to Joak:

Like it!
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