I think what I find most amazing, and charming, is that there is a society for appreciating clouds.

These clouds aren’t finally taped just now, we’ve known them for quite some time. We’ve had many pictures and recordings. Many stormchasers around the world made pictures or timelapses throughout the last two decades, including myself over here in Germany. They’re well known for a long time. The video itself is great, amazing footage and mostly correct information. But I really find the title a bit misleading…

To anyone who is in the Cloud Appreciation Society, I appreciate that you are there, and have an deeper and more technical appreciation for clouds.

I walked out of the grocery store one day in 2012, and my mouth fell open to see the sky full of Asperitus clouds. I ran home for my camera, and drove to a spot where I could capture a broad swath of sky. I contacted the cloud appreciation society, sent them a few shots. They said they were trying to get these clouds officially recognized. I wonder if they submitted my shots as part of their application.

I live in Michigan, and I have seen these clouds before. They are quite an eerie sight and kind of unsettling almost. Around 2012-2013 I first saw them on two or three occasions covering the entire sky. It literally looked like a rough ocean in the sky. Since then I have seen them sparsely. The aren't like super crazy uncommon. I will usually see them three to four times a year. But it is very rare to see them cover the entire sky. Usually they will manifest just a couple of "waves" before dispersing into a bigger or more uniform cloud.

As a pilot for most of my life, I have a keen interest in weather. I've seen these a few times. They can produce a very dramatic sky that looks very threatening. Sometimes, you see similar structures beneath towering cumulus or thunderstorms.

When I was young, my grandmother and I saw a cloud that looked like a little wise elf wearing a conical hat, the cloud rising up with us as we drove up the mountain. It was heavenly. Some coincidences make our day happy and unforgettable.

I noticed this cloud type for my first time in Cleveland, TN about 2009. So beautiful. The first thing I thought was how they looked like an ocean just as this video suggests. Love it. Great video.

It's like a fluid on top of another fluid, maybe the air close to the ground was a lot colder and the very dense water-filled clouds were warmer, creating these beautiful clouds. Looks like watching surf waves from underneath. Just like we have oceans under water we have oceans in the sky. I love to see how matter is influenced by gravity and temperatures in so many layers, both on Earth and other planets.

I have seen these clouds in the Lockyer Valley in Queensland, Australia. I've got several photos of them. Strangest clouds I've ever seen. They were followed by a pretty nasty storm.

This is so fascinating. I have seen Asperitas clouds several times in my life (twice in 2021) here in Iowa where you mention the woman who took the photo from her office. The most extreme version of this cloud I saw was at Iowa State University last year on a calm day in September where they just rolled in and suddenly the entire skyline from my 9th floor apartment was just wavy/bumpy clouds for miles. Very cool sight

The footage at 5:00 was in Lincoln, NE. I remember working that day as a valet at the Embassy Suites. I was so awestruck by what I was seeing that I stopped working to run to the top of a parking garage to get a more panoramic view of the sky. The colors, the shapes, and the movement of the clouds was one of the most exhilirating things I've seen in my life. What an experience!

These clouds make sense to me when I remember that we actually live at the very bottom of an atmospheric ocean. The flow patterns of both wind tunnels and water tunnels (an experimental facility used for testing the hydrodynamic behavior of submerged bodies in flowing water.) They are eerily similar to the other.

In the Netherlands the weather is overcast most of the time, and I see these clouds several times a year! In fact, probably more often than cumulonimbuses. They do make it feel like the end of the world sometimes, indeed, but I love it.

I've seen this cloudform only once, a long time ago. I never forgot that day. It was like the raging waters of a stormy sea, a beautiful yet chaotic dance of waves engulfing the entire sky.

Meteorology is wild. Human civilization has been around for over 12 thousand years, identifying cloud formations is as easy as just looking up, and yet SO much of what we currently understand has only been confirmed in the past 25 years. I don't think there's any other scientific field where observation is this easy but finding suspected, rare classifications is so hard

I find it fascinating that these cloud types have probably existed as long as there's been clouds, but only now have they been officially recognised; this old earth has so many surprises for the enquiring mind. As someone said "There's nothing new under the sun, but there's lots of old things that we haven't discovered yet".

Didn’t know these weren’t common. We get these clouds quite often in the High Desert if California. I’ve done many time lapses that look just like the asperitas clouds filmed here. Looks just like waves as mentioned especially in time lapses.

I’ve seen these clouds multiple times and pretty sure I have captured some in photos. Beautiful! Thanks for sharing this very informative video!

I think its amazing that with such widespread technology in the world there is a whole lot more scientific data being collected at all times, that leads to significant discoveries.

I've only seen this type of phenomena once, and that was in the early 2000's near Pontiac Michigan. We were under a tornado watch at the time (one did touch down several miles away eventually), but i was so transfixed by the chaotic cloud movements that my coworkers couldn't convince me to get inside to safety LOL!

I saw this once a few years ago at the beach as a thunderstorm was rolling in. It was terrifying, with huge black clouds rolling from the ocean towards our house very quickly.

great updates! we will continue to consummate cloud directions. thank you for sharing.

I've seen these a few times. I legitimately thought they were uncommon. Not rare. Normally in squally weather, ahead of worse to come. Awesome stuff!

I saw these clouds yesterday while out hiking in the mountains of the Chihuahuan Desert. They were above a pretty nondescript stratocumulus layer (which I hiked through on the way to the summit). This area got a lot of monsoon moisture in the last few days, and these clouds showed up just after a big rain storm. Above the stratocumulus cloud layer (near / on the mountain peak) it was very windy and unusually cold!

Loving all the cloud and weather-related content! Does anyone know of any other channels that make content like this?

honestly this is really cool that these clouds are getting recognition because i remember as a little kid seeing these clouds while at school and everyone just marvelling at them. It was such a great experience seeing these clouds like my mind quite literally exploded seeing it and i told my parents but they didnt believe me since they were all the way on the otherside of town when this happened but it was so cool to me honestly

I feel like I’ve seen this several times here in NZ. I’m always watching the sky but I never thought of making it a hobby. It’s just something I do.

Ive seen these a couple of times. Reminds me of being a kid wearing goggles in a bubble bath and looking up while splashing around and seeing the bubbles and foam have different colors from the thinner and thicker regions. Definitely a great cloud to visualize that air is a fluid.

Thanks for this video! I recall seeing this in Chicago in July of 2020! I thought it was the most beautiful of cloud formations then, and still do. The videos and pictures I have are amazing!

As someone who loves riding out bush at any season, during the wet season I can see heaps of unique cloud formations including these ones, I've been seeing them for Years and they really are beautiful, sometimes I just love to watch some of them move across the sky for a few Hours.

I’ve been a cloud watcher since I was about 5 and I’m now almost 77. My favorites are summer formations like anvil heads and variations. During the cold months we have plenty of lenticular types. I do still photos as frequently as I’m able. I have quite a collection. Good video, very thought provoking, thanks. I think I need to start doing movies of them or time lapse. I have miles of clear sky visible from my house with mountains. 👍🏽👍🏽👍🏽

I've seen them once, it was really stormy and the clouds moved fast, it felt like something out of a end of the world horror movie. It was scary yet very fascinating, couldn't stop looking at it and we filmed it for several minutes. Video doesn't really do it justice though, there's an unspeakable feeling when you're below them and everywhere you see looks apocalyptic.

Loving the fact I can say I’ve seen this formation in person at least 3 times within the last 4 years

I've seen this happen once in my city and I stopped to photograph it. It felt like I was under a sea of rolling boiling clouds absolutely incredible.

It's crazy the amount of times I witnessed this type of clouds while living in the Black Hills area of South Dakota for 11 months. I had never seen them before in my life (I'm from the South) and suddenly I was seeing them quite frequently. I haven't witnessed a single once since leaving South Dakota, though, and doubt I'll ever seen them again.

Hey Alex, Kyle from Aus here. I just wanted to let you know that you're videos are always wonderful and insightful, and brighten my day immeasurably. Thank you for putting the effort into making such awesome videos, and I hope you retain your passion for them for a very long time. Cheers!

I remember seeing these clouds in June. It was early in the morning and I was setting off to work. The clouds did seem different. The sky was a deep greenish-blue. I got to work and looked up. The waves were uniform, they Sky turning almost a Navy blue. It was a surreal experience. It was pretty but yet felt almost apocalyptic as started to storm. Within minutes of getting to my work. The sky was as dark as night. 9 am turned 9 pm. I've never seen it rain so hard in my life.

I’ve witnessed and photographed these clouds several times over the years. They’re beautiful and awe inspiring!! 😍🥰

Asperatus undulatus I believe, I've been a weather geek for 30 years and never seen these in full form in person, only online about 8yr ago. Their liquid-like waves show how "fluid" our atmosphere really is 👌🏻

I love all earth and space phenomenon, thanks Alex for this inclusion. Earth physics is so fun.

These photos were gorgeous. 😀 Thanks so much for an nteresting and informative video. ✌️

I get these beautiful clouds here in PA every time the seasons change, and they look just as crazy and mesmerizing every time.

I've seen them once in person, I've never seen them again and it's been so many years lol they're beautiful

Can't believe we get these incredible videos for free! Thanks, Astrum!

I made a comment a year ago about only seeing these in pictures. I've finally seen them now! They appeared after a storm broke up heading where I was staying. All I had was my phone so I couldn't get good images and they were far in the distance so it was no use. I'm happy to have finally seen these myself. I was overjoyed. Hope I'll see them again eventually.

I remember seeing these bubble like formations with deep divots at school 2 times. Rarest cloud formation ive seen and i remember getting super excited. Stared at them my whole lunch

Strange, in my area these cloud types are fairly common; seen probably once per month. Wasn't aware they was so unusual, but incredibly visually striking!

I remember this cloud type from Friday, 12 March, 1993, the day the Blizzard of '93 was building into the Atlanta area. I was working in McDonough that day. The cloud deck was mostly mackerel skies and nacreous cirrostratus high and Asperitas swirling at lower elevations. The Asperitas seemed to come through in bands.

It can’t be very pleasant having to fly through an Asperatus cloud formation, but rather instead, downright dangerous. Extreme turbulence probably doesn’t even begin to describe it. Gives me chills just thinking about it…

Great video ! Thank you for the knowledge !

Holy Cripes - I've seen those clouds so many times in recent years here in the Midwest. I don't remember them before that - I'm pretty sure kid-me, a weather nerd even then, would've gone nuts seeing them, and I would have remembered them. Up until now, I've been calling them "Dol Guldur skies" because of how they look like the kind of ominous clouds replicated for the atmosphere of the scenes that take place at that fortress in the film adaptation of The Hobbit.

Love seeing these clouds, I usually manage to see them a couple times a year at least where I live. They can be absolutely breathtaking, at the top of my list with Noctilucent clouds and lenticular clouds!

I saw these over my town a few years ago here in the western US. I wished like HELL i had a professional camera AND the time to do a time lapse of them! Haven’t seen them before or since and I’m almost 50.

Saw some of these this morning. Absolutely stunning. 😊

These can’t possibly be that rare, growing up in northwest Chicagoland I’ve seen a vivid and unmistakable display of these clouds at least 3 times in my life although I think there was a 4th time. Can’t believe they were first classified in 2017. I haven’t seen them since 2017. Every sighting I’ve had was late 2000s to early 2010s

I've been fortunate to have seen this cloud type 2 times in my lifetime. And both were within a year of one another. First time was in 2016 then again in 2017. Both episodes were right after a severe thunderstorm event involving multiple cluster thunderstorms that produced heavy rain and strong winds. It was very interesting to see what seemed like huge ocean caps, but underneath a cloud base.

I've seen this multiple times in my life and have always wondered why I didn't learn about it in school. Cool vid ty

Circa 99 I was living in East Chicago Indiana when I saw one of these. There was also thunder coming from the cloud. A sound I’ll never forget and haven’t heard since. I felt as if I was in a dream or another world. Amazing

I have seen a formation like at 1:53, except it was embedded in smooth lenticulars. I even photographed it. Above the mountain tops of the southern alps of New Zealand. In the MacKenzie country south of Mount Cook - close to the Ohau ski area. Looking westward, I could see gorgeous smooth wave clouds stacking up vertically, and creating north-south cloud streets. Very spectacular stuff, with awesomely smooth lift for gliders, but this was just the beginning. Literally as I watched, a stacked set of lenticulars started to fold over itself, twisting like a long pile of paper with one end rotating. Over a period of about five minutes, a section roughly 10km long and 700 - 1000 metres in height turned into a perfect stationary/standing helix formation. It was extremely stable - just as most ordinary lenticular clouds are, but the three dimensional nature of the formation was truly baffling. I was a glider pilot, and so I have studied clouds quite a lot, and I had never once heard of anyone ever seeing another lentic' formation like this one. When it was happening, I briefly wondered if the universe was simulated, and that this was a math glitch. But the existence of chatoyance in some quarter-sawn woods is a good argument against that idea, I think.

I remember that day in Cedar Rapids in 2006! It was so surreal and kind of eerie to see in person. I’ve seen them a few times since then and it is always so amazing to see ❤

I got some great photos of these about a month ago. I used to love watching these as a kid.

Pics/vids of the rarest of clouds. Awesome! Yet still no photos of bigfoot, anywhere.

"Nature may not repeat itself, but it often rhymes." That's beautiful. I absolutely love your videos ❤️ Have a blessed day Alex 💜

I live near Dallas Texas. I've seen these at least once a year for the past 5 years, usually in the early fall/late spring, they truly are beautiful clouds

I have this recorded on my phone from a few years back! I didn't know it was a rare cloud form. Thanks for sharing

In spring of '19, in southwest Florida, I not only saw clouds like this, but also a type of lightning I'd never seen before. Moving slowly across, and hugging, the bottom of the clouds in waves, like plasma spreading around. You could hear crackling, but no bangs. It was night time, and really amazing. It only lasted a short while.

This is so weird! As a kid, I used to have dreams about these, without ever even knowing that they were clouds. At the time I thought I was just dreaming about something arbitrary. Very surreal to finally find out what those dreams likely were.

I feel like these clouds are common where I am from ( Saskatchewan, Canada). I see these all throughout Summer where I am. Even my daughter made mention this year of the " wave" clouds as she called them any time storms were coming in.

Oh! I saw these in Britain this summer right before a big storm! I was just amazed, I had never seen something like this in my life. I have a couple of pictures of these. It was really something.

I've seen these in New Zealand and Australia. They definitely leave one with a sense of foreboding. In Canberra (2010 or 11), they appeared three mornings in a row and lasted till mid afternoon, but no rain, not much wind at ground level either. At that time I was aware of them, mainly because of an article I'd read in 2004ish shortly after the first time I'd seen them in Central Hawhes Bay NZ. On these 4 occasions, they covered the entire sky, on other occasions just areas of sky and it did rain each time. Don't know if that is significant or just a coincidence. Cheers for this coverage and blessings to all you skywatches out there.

i just saw these a couple months back for the first time. it was wild i had taken some photos not knowing if i'd ever see something like it again. cool to see they are actually pretty rare.

Theres plenty of videos of these, but this is still super cool

i remember years back when i was younger, there was a big blizzard where the sky had these clouds right before it started to snow really heavy. it was so so beautiful and i wish i could see it again but we dont ever get that kind of weather here where its hot and humid

Once I saw a mamuts cluds. What a wonderful experience. 💖🌍

Sometimes we're so focused on discovering what's out there we forget there's still so much to discover down here on our own planet.

The one time I saw these clouds form above my neighborhood was great and just stared at the sky for so long. It was like having a nice big blanket covering the sky.

Ive seen this type of clouds atl a few times every year for the last decade. Could never imagined it was so special. I do live in the SW of Sweden.

I’ve seen that kind of atmospheric disturbance a good handful of times. I’m sure others have too. Amazing how so many of us I’m sure, myself included, never thought that it was “unknown” or “undocumented”. I’ve only seen it a handful of times in my life, but, it’s just funny to me how much we might be experiencing of nature that may be even more extraordinary than we realize.

I'm glad I can finally identify what I saw back in March 2003, I identified them at the time as a strange unknown (to me) sub category Cumulostratos. This cloud formation was observed immediately prior to a sudden severe summer storm that approached low from the west over a mountain range in Eastern Australia that is known for causing sudden updraughts and turbulence in westerly airflows moving over it, the formation was accompanied by gale force winds and quickly followed by heavy rain and hail lasting around 1 hour. To top it all off it was the lowest to the ground cloud formation I have ever seen, in my estimation it seemed to be a little less than 200 m from ground level where I observed it from (around 150m above sea level).

I've seen these cloud formations a few times! They are amazing!!

I witnessed it once, in south Brazil 15 years ago. It was an unusual dark and windy winter day sudden wind reached 100km/h taking down a few trees, poles, and walls. It was midday and I was returning from lunch when the clouds started to "boil" and even a couple of twists started to form but fortunately none landed that day.

Awesome channel with awesome content and great quality as always say 🌍

This is so cool, one time I’ve seen this out of my school window so this made my day

I remember back in 2020 I spent a lot of time in our roof and thats the only time I really "observed" the sky. When I saw this formation for the first time I was inspired to use it and wrote an epic battle scene lol. Starting that day, if I remembered right, I've observed this formation almost daily- it usually appears at noon and stays till way pass moonrise. Some of my best sky photographs and footage features this formation. Glad this video was recommended to me.

I've seen these clouds hundreds of times, especially when I lived on North England. Me and my brother would constantly say they looks like huge waves in the sky, like an upside down tsunami.

I've seen the sizable waves lots of times. But, a few years ago I saw one of those that are really deep. It was behind a wall cloud, so you couldn't see it until you crossed underneath. While the face looked like other supercells, on the inside it went almost straight up. It was as if the cell was hollow.

"Nature may not repeat itself, but it often rhymes" is a gem Great video!

i’ve seen these in oklahoma ! just two years ago . i remember taking pictures and videos cause they really looked like huge mountains above me

Congratts finally million subscribers

I remember seeing such clouds few years ago in Oudtshoorn, south africa. Was very dark gray and wavy, but seeing the rest of this vid, i came to see them alot there without really knowing it was actually a rare event

I have absolutely no reason why this was on my recommendations but worth the watch. Enjoyed

First spotted these in minnesota (thousands of miles away from any mountains) in 5th grade it covered the whole sky and was more dense and dramatic then most of your images. I sat down and waited for the world to end.

Considering all the recording I've seen of this cloud formation being in cities. Could it be heat columns of air coming off buildings, concrete, or equipment?

Thanks, that was so cool! Reminds me of when I was six or seven and wanted to be a weatherman because everything was so fascinating, we had some amazing meteorologists out of the Cleveland stations who really inspired kids like me. I didn't become one but I have had a lifelong love of space, nature, etc

I just Truly Love watching the sky and all the Beautiful cloud formations in many different colors I have seen this type of clouds before and I thought I was video taping it all but my phone froze and I didn't get any of the magnificent cloud formation I was so hurt because of it and sometimes when I look at the sky I see this ripple effect like being underwater and all I think of is Water above and Water Below

Where i live in Switzerland we have those wave clouds "often" i would say i see them at least once in two-three months time. I always liked them and often takes photos. I didn't know they are supposed to be very rare ;)

I love seeing him making a weather video

When I was a kid I saw what were “rolling” clouds going over my daycare. Idk if it’s the same thing but hey it was still pretty crazy. Not really waves though, just really big rolling cylinders in the sky made of clouds.

"Cloud Appreciation Society" this is my first time hearing about it. what an adorably wholesome group