{"id":1585,"date":"2013-06-07T11:47:28","date_gmt":"2013-06-07T11:47:28","guid":{"rendered":"http:\/\/www.mometrix.com\/academy\/?page_id=1585"},"modified":"2026-03-26T11:57:19","modified_gmt":"2026-03-26T16:57:19","slug":"clouds","status":"publish","type":"page","link":"https:\/\/www.mometrix.com\/academy\/clouds\/","title":{"rendered":"Types of Clouds"},"content":{"rendered":"\n\t\t\t<div id=\"mmDeferVideoEncompass_-iuuiASfXE8\" style=\"position: relative;\">\n\t\t\t<picture>\n\t\t\t\t<source srcset=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2023\/01\/circle-play-duotone.webp\" type=\"image\/webp\">\n\t\t\t\t<source srcset=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2023\/01\/circle-play-duotone.png\" type=\"image\/jpeg\"> \n\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" loading=\"eager\" id=\"videoThumbnailImage_-iuuiASfXE8\" data-source-videoID=\"-iuuiASfXE8\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2023\/01\/circle-play-duotone.png\" alt=\"Types of Clouds Video\" height=\"464\" width=\"825\" class=\"size-full\" data-matomo-title = \"Types of Clouds\">\n\t\t\t<\/picture>\n\t\t\t<\/div>\n\t\t\t<style>img#videoThumbnailImage_-iuuiASfXE8:hover {cursor:pointer;} img#videoThumbnailImage_-iuuiASfXE8 {background-size:contain;background-image:url(\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2023\/07\/updated-types-of-clouds-64c1634840abf-3.webp\");}<\/style>\n\t\t\t<script defer>\n\t\t\t  jQuery(\"img#videoThumbnailImage_-iuuiASfXE8\").click(function() {\n\t\t\t\tlet videoId = jQuery(this).attr(\"data-source-videoID\");\n\t\t\t\tlet helpTag = '<div id=\"mmDeferVideoYTMessage_-iuuiASfXE8\" style=\"display: none;position: absolute;top: -24px;width: 100%;text-align: center;\"><span style=\"font-style: italic;font-size: small;border-top: 1px solid #fc0;\">Having trouble? <a href=\"https:\/\/www.youtube.com\/watch?v='+videoId+'\" target=\"_blank\">Click here to watch on YouTube.<\/a><\/span><\/div>';\n\t\t\t\tlet tag = document.createElement(\"iframe\");\n\t\t\t\ttag.id = \"yt\" + videoId;\n\t\t\t\ttag.src = \"https:\/\/www.youtube-nocookie.com\/embed\/\" + videoId + \"?autoplay=1&controls=1&wmode=opaque&rel=0&egm=0&iv_load_policy=3&hd=0&enablejsapi=1\";\n\t\t\t\ttag.frameborder = 0;\n\t\t\t\ttag.allow = \"autoplay; fullscreen\";\n\t\t\t\ttag.width = this.width;\n\t\t\t\ttag.height = this.height;\n\t\t\t\ttag.setAttribute(\"data-matomo-title\",\"Types of Clouds\");\n\t\t\t\tjQuery(\"div#mmDeferVideoEncompass_-iuuiASfXE8\").html(tag);\n\t\t\t\tjQuery(\"div#mmDeferVideoEncompass_-iuuiASfXE8\").prepend(helpTag);\n\t\t\t\tsetTimeout(function(){jQuery(\"div#mmDeferVideoYTMessage_-iuuiASfXE8\").css(\"display\", \"block\");}, 2000);\n\t\t\t  });\n\t\t\t  \n\t\t\t<\/script>\n\t\t\n<p><script>\nfunction Xfo_Function() {\n  var x = document.getElementById(\"Xfo\");\n  if (x.style.display === \"none\") {\n    x.style.display = \"block\";\n  } else {\n    x.style.display = \"none\";\n  }\n}\n<\/script><\/p>\n<div class=\"moc-toc hide-on-desktop hide-on-tablet\">\n<div><button onclick=\"Xfo_Function()\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/12\/toc2.svg\" width=\"16\" height=\"16\" alt=\"show or hide table of contents\"><\/button><\/p>\n<p>On this page<\/p>\n<\/div>\n<nav id=\"Xfo\" style=\"display:none;\">\n<ul>\n<li class=\"toc-h2\"><a href=\"#Cloud_Formation_Basics\" class=\"smooth-scroll\">Cloud Formation Basics<\/a><\/li>\n<li class=\"toc-h2\"><a href=\"#Cloud_Types_and_Altitudes\" class=\"smooth-scroll\">Cloud Types and Altitudes<\/a><\/li>\n<li class=\"toc-h2\"><a href=\"#Review_Questions\" class=\"smooth-scroll\">Review Questions<\/a><\/li>\n<\/ul>\n<\/nav>\n<\/div>\n<div class=\"accordion\"><input id=\"transcript\" type=\"checkbox\" class=\"spoiler_button\" \/><label for=\"transcript\">Transcript<\/label>\n<div class=\"spoiler\" id=\"transcript-spoiler\">\n<p>Hi, and welcome to this video on <strong>clouds<\/strong>! In this video, we\u2019re going to be looking at all of the different types of clouds, how they form, and what they\u2019re made of. Let\u2019s get started!<\/p>\n<h2><span id=\"Cloud_Formation_Basics\" class=\"m-toc-anchor\"><\/span>Cloud Formation Basics<\/h2>\n<p>\nFirst, I want to start by explaining that clouds are simply enormous collections of water droplets that form as water vapor condenses. Water vapor is the invisible gaseous phase of water. When this water vapor cools to a temperature that is lower than the surrounding environment, it will condense and form a cloud! Where clouds form varies immensely, so we\u2019ll get into that a little later. First, we need to talk a little bit about atmospheric stability.<\/p>\n<p>Take a look at the person here in this little ditch. It doesn\u2019t matter if he sits in the middle or tries to push the rock up the hill; that rock will always find its equilibrium position in the cradle of the ditch. It\u2019s stable. It will always go back there. <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-89539\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-1.png\" alt=\"Image of a person demonstrating a stable equilibrium. There is a rock in the center of a cradle shaped structure, and it cannot roll out of the area. It always goes back to the middle no matter how hard the man pushes.\" width=\"777\" height=\"437\" style=\"box-shadow: 1.5px 1.5px 3px grey\" \/><\/p>\n<p>This person, on the other hand, is showing us an example of what unstable equilibrium looks like. He stands at the top of the hill and rolls the rock down. It\u2019s gone. It\u2019s not coming back. We don\u2019t know exactly where it\u2019s going to stop (somewhere at the bottom of the hill, I guess). There\u2019s no point to which that rock will return on its own. It\u2019s unstable.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-89542\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-2.png\" alt=\"Image of unstable equilibrium. There is a rock on top of a hill, the man pushes, and the rock rolls down the hill.\" width=\"777\" height=\"437\" style=\"box-shadow: 1.5px 1.5px 3px grey\" srcset=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-2.png 2560w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-2-300x169.png 300w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-2-1024x576.png 1024w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-2-768x432.png 768w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-2-1536x864.png 1536w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-2-2048x1152.png 2048w\" sizes=\"auto, (max-width: 777px) 100vw, 777px\" \/><\/p>\n<p>The same type of thinking can be applied to our atmosphere. When we have a stable atmosphere, vertical motion is inhibited. Any rising air is likely to fall right back down to the surface. If clouds manage to form, they would be very shallow. When we have an unstable atmosphere, vertical motion can and will occur. An unstable atmosphere allows air parcels to rise, condense, and form clouds. An air parcel is simply a local mass of air that has a different temperature and\/or dewpoint than the surrounding air.<\/p>\n<p>You might be wondering how we determine whether the atmosphere is stable or unstable. It\u2019s all about density. When an air parcel is more dense than its environment, it will sink, and vice-versa. When a parcel of air that is less dense than its environment rises, it will begin to cool and expand \u2013 producing condensation, and therefore producing clouds! <\/p>\n<p>Now that we know a little bit of the technical processes that allow air to rise, I want to give you some real-world examples of where we can see this happening.<\/p>\n<p>When the sun strikes our planet, some things heat up faster than others. For instance, pavement warms faster than our oceans. As the ground warms, the air directly above it will also become heated through conduction. These pockets of air that warm quickly will become less dense than their surrounding environment and rise! As the air cools when it rises, it may eventually reach a point where it\u2019s cooler than the surrounding environment, in which case it will condense and create a cloud. <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-89545\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-3.png\" alt=\"Image of the sun heating the ground (radiation), the ground heating the air (conduction), and the warm air rising (convection). \" width=\"777\" height=\"437\" style=\"box-shadow: 1.5px 1.5px 3px grey\" srcset=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-3.png 2560w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-3-300x169.png 300w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-3-1024x575.png 1024w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-3-768x431.png 768w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-3-1536x863.png 1536w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-3-2048x1150.png 2048w\" sizes=\"auto, (max-width: 777px) 100vw, 777px\" \/><\/p>\n<p>Next up in our processes of cloud formation is the <strong>convergence of air masses<\/strong>.<\/p>\n<p>Let\u2019s talk about a <strong>low-pressure system<\/strong>, like you see here. In the center of a low-pressure system like this, the winds are converging toward the center (from high  to low pressure). Now, let\u2019s say you have a dollop of whipped cream sitting on a table. <\/p>\n<p>If you take two books on either side of the whipped cream and smash them together, the whipped cream will squirt upward. This same concept applies to air. As air masses converge toward a low-pressure system, the air has nowhere to go but up! The air will then eventually condense and form clouds.<\/p>\n<p>Now onto <strong>orographic lifting<\/strong>! Orographic is a fancy term for things that relate to mountains. In this case, we\u2019re talking about air being pushed up the side of a mountain. After all, air can\u2019t go through the mountain, so it has nowhere to go but up. As air is forced up the side of a mountain, it eventually reaches the condensation level and forms a cloud! Sometimes around mountains, you may see what are called lenticular clouds. They look a bit like flying saucers.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-89548\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-4.png\" alt=\"Image of Lenticular Clouds, they look a bit like flying saucers.\" width=\"777\" height=\"437\" style=\"box-shadow: 1.5px 1.5px 3px grey\" srcset=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-4.png 2560w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-4-300x169.png 300w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-4-1024x576.png 1024w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-4-768x432.png 768w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-4-1536x864.png 1536w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-4-2048x1152.png 2048w\" sizes=\"auto, (max-width: 777px) 100vw, 777px\" \/><\/p>\n<p><strong>Lenticular clouds<\/strong> are formed when that air traveling over the mountain flows down the other side. This motion creates a series of oscillating waves. If the conditions are right (temperature, air blowing the right direction, etc.), these clouds can form in the trough of the waves.<\/p>\n<p>The last airlifting process we\u2019ll talk about is lifting along weather fronts. There are actually two types of things going on here, so let\u2019s talk about cold fronts first. A cold front is simply the boundary of a moving mass of cold air. The leading edge of a cold front has a very steep slope that cuts through the air ahead of the front.<\/p>\n<p>As the cold front moves along, the lingering warm air ahead of the front is rapidly pushed upward, generating towering clouds that often produce severe thunderstorms. Remember, what allows this to happen is the density of the air parcels. Cold air is more dense, and that\u2019s why it can push the less dense warm air upward.<\/p>\n<p>The other scenario is with a warm front. Warm fronts have a much smoother slope and do not travel nearly as fast as cold fronts, so the cool air is pushed gently upward as the front moves along.<\/p>\n<p>Clouds will still form here, but severe thunderstorms are unlikely.<\/p>\n<h2><span id=\"Cloud_Types_and_Altitudes\" class=\"m-toc-anchor\"><\/span>Cloud Types and Altitudes<\/h2>\n<p>\nOkay, now that we know how clouds form, let\u2019s get into the different types of clouds and examine the conditions in which they form.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-89551\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/CLouds-5.png\" alt=\"Image showing the different types of clouds and where they are usually located. \" width=\"777\" height=\"437\" style=\"box-shadow: 1.5px 1.5px 3px grey\" srcset=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/CLouds-5.png 2560w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/CLouds-5-300x169.png 300w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/CLouds-5-1024x576.png 1024w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/CLouds-5-768x432.png 768w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/CLouds-5-1536x864.png 1536w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/CLouds-5-2048x1152.png 2048w\" sizes=\"auto, (max-width: 777px) 100vw, 777px\" \/><\/p>\n<p>To start off basic, we have low, middle, and high clouds. The names explain the clouds pretty well: low clouds form from the ground to about 6,000 feet, middle clouds are found at about 10,000 feet on average, and high clouds are found at altitudes around and above 20,000 feet. Some clouds, such as cumulonimbus clouds, are large and often tall enough to transverse all three layers.<\/p>\n<p>Let\u2019s go over some examples. These first three will all be low-level clouds.<\/p>\n<p>We have a low cloud with some visible precipitation. When discussing clouds, the affix used when referring to precipitation is nimbo. If we add that to the low-cloud root word, stratus, we get the name nimbostratus to describe regular rainy day clouds.<\/p>\n<p>Here\u2019s an example of a low-lying cloud formation.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/01\/Clouds.webp\" alt=\"low-lying cloud formation\" width=\"2560\" height=\"1440\" class=\"aligncenter size-full wp-image-211585\" style=\"box-shadow: 1.5px 1.5px 3px grey\" srcset=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/01\/Clouds.webp 2560w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/01\/Clouds-300x169.webp 300w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/01\/Clouds-1024x576.webp 1024w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/01\/Clouds-768x432.webp 768w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/01\/Clouds-1536x864.webp 1536w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/01\/Clouds-2048x1152.webp 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/p>\n<p>Puffy-looking clouds like these are known as <strong>cumulus clouds<\/strong>. Since these are low-level clouds, we can add our low-level root word stratus to make the word stratocumulus.<\/p>\n<p>Now let\u2019s move on to middle-level clouds.<\/p>\n<p>These clouds are another type of puffy, cumulus cloud. These are essentially the same as the stratocumulus clouds we just looked at, but these are found at a higher altitude, so we call them altocumulus clouds. Since altocumulus clouds are farther from the ground, they will, of course, appear significantly smaller than the closer stratocumulus clouds.<\/p>\n<p>Next up is an <strong>altostratus cloud<\/strong>. Altostratus clouds are known for spanning a large portion of the sky. If the sun is covered by these clouds (which it usually is), it will still be barely visible. These types of clouds often form ahead of a storm.<\/p>\n<p>And now, on to the high-level clouds! These are easy to remember due to the common prefix cirrus-.<\/p>\n<p><strong>Cirrus clouds<\/strong> are thin, wispy clouds that are blown into long trails by the winds in the upper atmosphere.<\/p>\n<p>You can probably guess what these are called. They resemble the other cumulus clouds we\u2019ve talked about, but we\u2019re a lot higher up, so these are called cirrocumulus.<\/p>\n<p>Lastly, as far as the regular types of clouds go, we have cirrostratus.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-89560\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/CLouds-7.png\" alt=\"Image of cirrostratus, there is a shimmery ring around the sun.\" width=\"777\" height=\"437\" style=\"box-shadow: 1.5px 1.5px 3px grey\" srcset=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/CLouds-7.png 2560w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/CLouds-7-300x169.png 300w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/CLouds-7-1024x576.png 1024w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/CLouds-7-768x432.png 768w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/CLouds-7-1536x864.png 1536w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/CLouds-7-2048x1152.png 2048w\" sizes=\"auto, (max-width: 777px) 100vw, 777px\" \/><\/p>\n<p>This type of cloud also has a distinguishing feature. Notice that there is a ring around the sun. This is caused by the light from the sun refracting through ice crystals in the cloud and is a dead giveaway that you\u2019re looking at a cirrostratus cloud.<\/p>\n<p>And lastly, let\u2019s talk about the <strong>cumulonimbus<\/strong>, which I mentioned a little earlier. These clouds transverse all of the cloud layers \u2013 often reaching heights over 30,000 feet tall. <\/p>\n<p>These clouds can contain all types of precipitation, especially rain and hail, and they will often produce massive severe thunderstorms or tornadoes!<\/p>\n<p>Now, the last few types of clouds I want to discuss are clouds that will only form in very specific conditions.<\/p>\n<p>These types of clouds are called <strong>Kelvin-Helmholtz<\/strong> clouds, and, as you can see, they look like ocean waves! <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-89563\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-8.png\" alt=\"Image of Kelvin-Helmholtz clouds. These clouds are horizontal, and they look like the waves of the ocean.\" width=\"777\" height=\"437\" style=\"box-shadow: 1.5px 1.5px 3px grey\" srcset=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-8.png 2560w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-8-300x169.png 300w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-8-1024x576.png 1024w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-8-768x432.png 768w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-8-1536x864.png 1536w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Clouds-8-2048x1152.png 2048w\" sizes=\"auto, (max-width: 777px) 100vw, 777px\" \/><\/p>\n<p>These clouds were named after two scientists who discovered that an instability can occur when there is a difference in velocity in a continuous fluid. In this case, the \u201cfluid\u201d is the air. As you look at these images, you can imagine that at the base of the cloud, we have velocity x. Above the crests of the cloud, we\u2019ll say it\u2019s velocity 5x. Because the layer of air above the clouds has a higher velocity, you get this awesome weather phenomenon!<\/p>\n<p>Here is another type of odd-looking cloud. <strong>Mammatus<\/strong> clouds are pouch-looking clouds that hang beneath the base of certain other clouds, usually cumulonimbus. They\u2019re formed when cold air sinks down and creates these pockets.<\/p>\n<p>Lastly, we have <strong>contrails<\/strong>. Contrails are not traditional \u201cclouds.\u201d<\/p>\n<p>These human-made clouds are formed when the water vapor emitted from an aircraft\u2019s exhausts forms into droplets, condensing into visible clouds, which are often short-lived.<\/p>\n<p>Okay, now to wrap up, let\u2019s go over a few review questions!<\/p>\n<hr>\n<h2><span id=\"Review_Questions\" class=\"m-toc-anchor\"><\/span>Review Questions<\/h2>\n<p>\n1. TRUE or FALSE: In a stable atmosphere, an air parcel will continuously rise when provoked by a lifting mechanism.<\/p>\n<div style=\"text-align: center; margin-bottom: 20px;\">\n   <button class=\"buttontranscript\" onClick=\"toggle('Answer1')\">Show Answer<\/button>\n<\/div>\n<div id=\"Answer1\" class=\"showanswer\">\n   <strong>The correct answer is FALSE.<\/strong><\/p>\n<p style=\"text-align: left;\">In a stable atmosphere, when an air parcel is provoked, it will always return to its starting position.<\/p>\n<\/div>\n<p>\n&nbsp;<br \/>\n2. At which level can you find a cirrocumulus cloud?<\/p>\n<ol style=\"list-style: upper-alpha;\">\n<li>Low<\/li>\n<li>Middle<\/li>\n<li>High<\/li>\n<li>It spans all three<\/li>\n<\/ol>\n<div style=\"text-align: center; margin-bottom: 20px;\">\n   <button class=\"buttontranscript\" onClick=\"toggle('Answer2')\">Show Answer<\/button>\n<\/div>\n<div id=\"Answer2\" class=\"showanswer\">\n   <strong>The correct answer is C.<\/strong><\/p>\n<p style=\"text-align: left;\">A cirrocumulus is a puffy high-level cloud, often found in rows that mimic fish scales.<\/p>\n<\/div>\n<p>\n&nbsp;<br \/>\n3. Which is NOT an example of a lifting mechanism for air parcels?<\/p>\n<ol style=\"list-style: upper-alpha;\">\n<li>Convection<\/li>\n<li>Orographic lifting<\/li>\n<li>Convergence of air masses<\/li>\n<li>Subsidence along weather fronts<\/li>\n<\/ol>\n<div style=\"text-align: center; margin-bottom: 20px;\">\n   <button class=\"buttontranscript\" onClick=\"toggle('Answer3')\">Show Answer<\/button>\n<\/div>\n<div id=\"Answer3\" class=\"showanswer\">\n   <strong>The correct answer is D.<\/strong><\/p>\n<p style=\"text-align: left;\">Subsidence means sinking air! You can\u2019t get clouds when air sinks.<\/p>\n<\/div>\n<p>\n&nbsp;<br \/>\nThat\u2019s all for this review! 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