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Cloud Classification Quiz: Test Your Skills

Explore Cloud Types and Formation Patterns

Editorial: Review CompletedCreated By: Lisa DescroixUpdated Aug 23, 2025
Difficulty: Moderate
Questions: 20
Learning OutcomesStudy Material
Colorful paper art depicting various types of clouds for a Cloud Classification Quiz.

This cloud classification quiz helps you practice spotting cloud types, heights, and how they form. Use it to check gaps before an exam or to sharpen weather ID skills while you play. Looking for computing clouds instead? See the cloud security quiz or the storage tiers quiz .

Which cloud genus is characterized by high, wispy fibers composed mainly of ice crystals?
Cirrus
Cumulus
Stratus
Nimbostratus
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What does the prefix alto- indicate in cloud classification?
Low-level clouds
Middle-level clouds
Thunderstorm clouds
High-level clouds
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Which cloud type is most commonly associated with steady, widespread precipitation?
Altocumulus
Cirrostratus
Nimbostratus
Stratocumulus
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Cumulonimbus clouds are primarily associated with which weather phenomenon?
Fog
Thunderstorms
Clear skies
Drought
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Which low-level cloud appears as a uniform gray layer with little vertical development?
Altostratus
Cirrostratus
Cumulus congestus
Stratus
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Which cloud species indicates towering cumulus with strong vertical development but not yet a thunderstorm?
Cumulus fractus
Cumulus congestus
Cumulus humilis
Stratus nebulosus
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Which variety indicates parallel bands or streaks extending from the same point on the horizon?
Translucidus
Radiatus
Duplicatus
Opacus
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What is the characteristic anvil top of a mature thunderstorm called?
Mamma
Incus
Pileus
Velum
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Which cloud feature forms as a smooth cap over a rapidly growing cumulus tower?
Asperitas
Tuba
Pileus
Virga
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Which accessory cloud consists of ragged shreds beneath precipitation-bearing clouds?
Mamma
Velum
Pannus
Muriformis
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Which term refers to a thunderstorm cloud with rounded, less fibrous top lacking a well-defined anvil?
Cumulonimbus incus
Cumulonimbus calvus
Cumulonimbus capillatus
Cumulus congestus
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What cloud type is most indicative of Kelvin-Helmholtz instability?
Lenticularis
Uniform stratus
Cirrostratus with halos
Billow clouds with wave-like cresting elements
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Which cloud genus often forms in the lee of mountains due to orographic lifting and wave breaking?
Altocumulus lenticularis
Cumulus humilis
Stratus nebulosus
Cirrostratus fibratus
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Which mid-level cloud type with small towers on its base suggests elevated instability and potential for thunderstorms later?
Altocumulus castellanus
Altocumulus translucidus
Altostratus opacus
Stratocumulus stratiformis
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Which term denotes holes or gaps in a cloud layer allowing small windows of sky to be seen?
Perlucidus
Opacus
Translucidus
Spissatus
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Which cloud sequence is most likely when you observe a Sun halo followed hours later by thickening clouds and light precipitation?
Stratocumulus following cirrocumulus
Altostratus following cirrostratus
Cumulonimbus following altocumulus lenticularis
Cumulus following cirrus
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Which cloud modification term denotes clouds generated by waterfalls?
Flammagenitus
Homomutatus
Cataractagenitus
Silvagenitus
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What is the correct WMO term for persistent contrails that evolve into cirrus sheets?
Cirrus homogenitus, evolving to homomutatus
Cirrus flammagenitus
Cirrus cataractagenitus
Cirrus silvagenitus
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Which cloud genus is most likely to obscure terrain in upslope flow, producing orographic drizzle?
Cumulus humilis
Stratus
Cirrostratus
Altocumulus
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Which species term denotes a cloud layer reduced to a featureless appearance without distinct elements?
Castellanus
Floccus
Humilis
Nebulosus
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Learning Outcomes

  1. Analyse cloud characteristics to distinguish major types
  2. Identify key features of cumulus, stratus and cirrus clouds
  3. Demonstrate understanding of cloud formation processes
  4. Evaluate the impact of atmospheric conditions on cloud development
  5. Apply classification criteria to real-world cloud images

Cheat Sheet

  1. Four core cloud types - Clouds come in four main shapes: cirro-form (high and wispy), cumulo-form (fluffy and cotton-like), strato-form (layered like a blanket), and nimbo-form (rain-bearing). Learning these categories is like unlocking the secret code of the sky. Once you spot a cloud's form, you're well on your way to classifying it!
  2. Altitude ranges for cloud groups - Clouds are sorted by height into low (surface to 2 km), middle (2 km to 7 km), and high (5 km to 13 km) layers. Knowing these ranges gives you a quick "sky GPS" for identifying cloud types. Next time you look up, you'll know exactly which atmospheric layer you're gazing into!
  3. Cumulus clouds - These are the classic puffy, cotton-like clouds with flat bases, usually found below 2,000 m. They often signal fair weather but can stack up into towering giants that unleash thunderstorms. Keep an eye on their growth - you might just predict a surprise shower!
  4. Stratus clouds - Stratus clouds form a uniform gray sheet that can make the sky look like a giant lampshade. They hang low and often bring light drizzle or mist. If it feels like you're walking through a sea of fog, you're probably under a stratus blanket!
  5. Cirrus clouds - High up at 6 - 13 km, cirrus clouds appear as delicate, wispy strands of ice crystals. They're nature's weather whisperers, often hinting at an approaching warm front. Spotting them early can give you a head start on tomorrow's forecast!
  6. How clouds form - Clouds are born when warm air rises, cools, and condenses water vapor into tiny droplets or ice crystals. This process depends on temperature, humidity, and atmospheric pressure. Mastering these basics turns you into a cloud-creation detective!
  7. Atmospheric conditions and cloud development - Temperature gradients and humidity levels play starring roles in cloud growth. Unstable air can trigger towering cumulus clouds and dramatic thunderstorms. Understanding these factors adds superpowers to your weather-watching toolkit!
  8. Practice with real-world images - Nothing beats hands-on practice: study photos and diagrams to sharpen your cloud-spotting skills. Challenge yourself to name clouds in daily sky snapshots. The more you practice, the faster you'll become a cloud classification champ!
  9. Latin roots in cloud names - Cloud names often blend Latin words: "cirro" means curl, "alto" means mid-level, and "nimbus" means rain. Recognizing these roots helps you decode any cloud's mood and altitude. It's like learning a mini Latin lesson in every sky scan!
  10. Mnemonic devices for recall - Use fun memory aids - "Cows Say Moo" can remind you of Cirrus, Stratus, and Cumulus. Mnemonics turn complex lists into catchy phrases you'll never forget. With the right device, cloud classification becomes a breeze!
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