Lmst

#weather #uk #clouds #kelvinhelmholtz #kelvinhelmholtzclouds #meteorology #britain #england #northyorkshire
I thought clouds were pretty standard, but you learn something new every day!
https://www.bbc.co.uk/news/articles/cgr2ejqdpl9o

#Fluctus Clouds AKA #KelvinHelmholtz Clouds

Nice catch, these are rare!

Climbing

A departing aircraft happened to fly across a batch of beautiful Cirrocumulus stratiformis, with the sun illuminating the clouds from behind and providing stark contrasts. July 2023.

I like to take telephotos of details in clouds that I find beautiful. Cirrocumulus never fails to deliver in this regard. Can you spot the Kelvin-Helmholtz waves? Often the images start looking like watercolour paintings. Not that it would necessarily be a bad thing, but I do like a good grounding element to provide a more relatable point of reference.

Finally pulled the plug on my inactive instagram account, and now I figure I should post some of the older pictures here. Should've done that a long time ago now that I think about it.

#clouds #Cirrocumulus #kelvinhelmholtz #aviation #photography

$Slightly below the centre of the image there is the small black shilouette of a departing twin propeller aircraft, heading to the right, slightly away from the camera and with its nose tilted a bit upwards. Behind the aircraft is a strikingly white mass of delicate cloud, which continues to the left and connects there to a larger sheet of varying density which spreads around from there to cover most of the image. The clouds are rich in detail, with gentle ridges and ripples here and there. Some of the ripples appear to exhibit the characteristic evenly spaced hooks of Kelvin-Helmholtz waves, also known in this context as fluctus. The clear sky behind the clouds is dark in comparison. At the edges of the image the clouds gain a slightly warmer tint as the diffracted sunlight seperates into different wavelengths at larger angles from the sun. The image is subtly framed at the top and the lower right by lower clouds of similar colour, but fuzzier, less detailed texture.$

Yesterday I said the clouds weren’t likely to break again for the rest of the year.
Today they proved me wrong…
#sunset #ChristmasEve #Bournemouth #Dorset #KelvinHelmholtz

Des ondes de #KelvinHelmholtz étaient bien visibles cette nuit depuis notre webcam de la Dôle. Ces nuages en forme de vagues se sont formés à la limite entre le sommet du stratus et le ciel clair, où la bise soufflait de manière différenciée.

Original tweet: https://twitter.com/meteosuisse/status/1855888626057429032

Des ondes de #KelvinHelmholtz étaient bien visibles cette nuit depuis notre webcam de la Dôle. Ces nuages en forme de vagues se sont formés à la limite entre le sommet du stratus et le ciel clair, où la bise soufflait de manière différenciée.

🐦🔗 https://twitter.com/meteosuisse/status/1855888626057429032
🕐 11/11 09:21

Stunning #sunset from #Bournemouth on Sunday, with a little bit of #fluctus in the first one! #kelvinhelmholtz

#Fluctus aka #kelvinHelmholtz wave #clouds over #Poole, #Dorset this evening.

@DannyStaley

Possibly from this photographer?
https://www.onthewingphotography.com/wings/2015/11/27/snow-on-antelope-island-and-wave-cloud-formations/

About “Kelvin Helmholtz” Clouds
https://earthsky.org/earth/kelvin-helmholtz-clouds/

Science of K-H Clouds
http://www.brockmann-consult.de/CloudStructures/kelvin-helmholtz-instability-description.htm

#KelvinHelmholtz “waveclouds”

The Kelvin-Helmholtz instability results from a turbulence of two fluid layers lying close to each other, which move with different speed and/or direction.

#science #sciencefacts #kelvinhelmholtz #kelvinhelmholtzinstability #turbulence

Durant la nuit, un #nuage en forme de bannière s'est développé sur le #Cervin, dans lequel des ondes #KelvinHelmholtz ont même été visibles pendant un court moment. Au fur et à mesure de l'assèchement, le fameux nuage a disparu au #Horu. Source : Zermatt Bergbahnen

https://twitter.com/meteoschweiz/status/1728611533742060031

Original tweet: https://twitter.com/meteosuisse/status/1728706909241221175

Durant la nuit, un #nuage en forme de bannière s'est développé sur le #Cervin, dans lequel des ondes #KelvinHelmholtz ont même été visibles pendant un court moment. Au fur et à mesure de l'assèchement, le fameux nuage a disparu au #Horu. Source : Zermatt Bergbahnen

https://twitter.com/meteoschweiz/status/1728611533742060031

🐦🔗 https://twitter.com/meteosuisse/status/1728706909241221175
🕐 26/11 10:26

#Wetter #Zeitraffer Zusammenschnitt vom 30. 08. 2023. Zuerst schöne Wellen; periodische Strukturen. Vor allem im zweiten Ausschnitt ab Timecode 0:25. Ist das #KelvinHelmholtz-Instabilität? Im dritten Ausschnitt ziehen ein paar schöne dunkle Wolken, die vorbei ziehen.

Kelvin-Helmholtz cloud waves at sunset

In Cook Strait past #TapuTeRangi tonight

#cloudSpotting #kelvinHelmholtz
#TeWhanganuiATara #Wellington

Pale sky, cloud tops that have the shape of breaking surf, island rocks black against the grey clouds, dark rough blue sea in front

@cosmos4u The #KelvinHelmholtz instability wins again!

Josef Gaßner erläutert anhand von Originalaufnahmen des James Webb Space Teleskops und des Hubble-Weltraumteleskops Details zur Sternentstehung.
Urknall, Weltall und das Leben: Wie entstehen Protosterne in Molekülwolken?
#Protosterne #Hayashi-Linie #Kelvin-Helmholtz #Weltraumteleskope #Astronomie #Sternentstehung #Sterne #Kultur #Physik

Astounding wave #clouds surge over #Wyoming’s Bighorn Mountains https://wapo.st/3UHDECP

#wywx #khwaves #KelvinHelmholtz

(Photo: Rachel Gordon)

Kelvin-Helmholtz instability is shown in wave clouds over the Bighorn Mountains on Tuesday of this week.

Ooh @LakesStiles - testing a second hand compact camera I just bought and look what I spotted at the top of the photo! Didn’t even notice at the time 🤦🏻‍♀️ #kelvinhelmholtz #HighPike #clouds #weather #Cumbria

View from a hill (Cumbrian fell) looking down onto a hazy rural aspect with scattered tiny houses, trees and a group of distant white wind turbines. Pale blue/grey misty clouds with some at the very top of the photo that look like waves. Second photo is a close-up of these.

RT @KeraunosObs@twitter.com

Très belle instabilité de Kelvin-Helmholtz ce 2 février dernier près de #Dillon en Caroline du Sud (#USA). Photo par Andrea Magnani via WEATHER/ METEO WORLD #KelvinHelmholtz #clouds

🐦🔗: https://twitter.com/KeraunosObs/status/1094304220822626306

#kelvinhelmholtz

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