| Group | Hint | Answer | % Correct |
|---|---|---|---|
| Genera | Transparent, whitish cloud veil,capable of producing halo phenomena | Cirrostratus | 100%
|
| Genera | Fibrous, delicate filaments in theupper troposphere | Cirrus | 100%
|
| Genera | Extremely tall and dense, in theform of a tower | Cumulonimbus | 100%
|
| Genera | Generally grey cloud layer with auniform base, sometimes bringing drizzle, snow, or snow grains | Stratus | 100%
|
| Genera | Detached clouds in the form ofrising mounds | Cumulus | 86%
|
| Genera | Blue-grey striated layer of clouds,mid-troposphere. Sun is partially visible through this cloud | Altostratus | 71%
|
| Genera | Thin layer of small grain-like cloudsin the upper troposphere | Cirrocumulus | 71%
|
| Genera | Grey cloud layer, made diffuse bycontinuous precipitation | Nimbostratus | 71%
|
| Genera | Layer (or sheet) of puffy clouds | Stratocumulus | 71%
|
| Genera | White-grey sheet of cloud, roundedmasses, sometimes partially fibrous or diffuse | Altocumulus | 57%
|
| Supplementary features | A dense, horizontal roll, on the lowerfront part of certain clouds | Arcus | 14%
|
| Supplementary features | A relatively short-lived formation,which is found on the top part of the cloud in a breaking wave shape | Fluctus | 14%
|
| Species | Clouds in the form of irregular shreds,which have a clearly ragged appearance | Fractus | 14%
|
| Supplementary features | Cloud whose etymology is fromthe Latin for 'breast' or 'udder' | Mamma | 14%
|
| Species | Like a nebulous or ill-defined cloudveil or layer | Nebulosus | 14%
|
| Special clouds | Originating from aircraft, disappearingor transforming into another cloud in at least 10 minutes | Aircraft condensation trails | 0%
|
| Supplementary features | Extremely rare cloud; chaoticunderside with minimal horizontal organisation, rolling, descending into sharp points | Asperitas | 0%
|
| Upper atmospheric clouds | Type II - originating oft in groups,roughly parallel to each other or interwoven in small angles Type IIa - Comprised of streaks with
diffuse, blurred edges Type IIb - Have sharply defined edges | Bands | 0%
|
| Upper atmospheric clouds | Type III - arranged within close space,roughly parallel short streaks. Sometimes gives the appearance of a comb or feather IIIa: Comprised of short, straight and narrow streaks IIIb: Exhibit a wave-like structure with undulations | Billows | 0%
|
| Species | Upward-protrubing puffymounds beginning to lose their cumuliform outlines, with no cirriform part visible | Calvus | 0%
|
| Species | Often in the form of an anvil, witha fibrous cirriform top | Capillatus | 0%
|
| Species | Cumuliform protuberances in theform of turrets | Castellanus | 0%
|
| Special clouds | Forms within the vicinity oflarge waterfalls | {Cataracta}genitus | 0%
|
| Supplementary features | A horizontal, tail-shaped cloud(not a funnel) at low levels extending from the main precipitation region of a supercell Cumulonimbus | Cauda | 0%
|
| Supplementary features | Hole-punched cloud, with a wisptypically falling from the central part of the hole | Cavum | 0%
|
| Species | Strongly sprouting cumuliform cloud,the upper portion of which resembles cauliflower | Congestus | 0%
|
| Varieties | Cloud patches, sheets, or layers, atat least two different levels. Can be partially merged | Duplicates | 0%
|
| Species | Detached clouds or a thin cloudveil, consisting of straight or slightly curved filaments that do not end in hooks or tufts | Fibratus | 0%
|
| Special clouds | Clouds may develop as a consequence of convection initiated by heat from forest fires, wildfires or volcanic eruptions. | {Flamma}genitus | 0%
|
| Species | Small tufts with a cumuliformappearance, the lower part of which is ragged | Floccus | 0%
|
| Accessory clouds | Bands of low clouds associated withcumulonimbi, arranged parallel to low-level winds | Flumen | 0%
|
| Special clouds | Developed as a consequence ofhuman activity | {Homo}genitus | 0%
|
| Special clouds | Developed as a consequence of human activity | {Homo}mutatus | 0%
|
| Supplementary features | Unique type of the cloud above;a horizontal and detached cloud | Horseshoe vortex | 0%
|
| Species | Puffy cloud with limited verticalextent, and which appears as flattened | Humilis | 0%
|
| Supplementary features | The upper portion of a Cumulonimbus spread out in the shape of an anvil with a smooth, fibrous or striated appearance | Incus | 0%
|
| Varieties | Cirrus that are irregularly curved andtangled | Intortus | 0%
|
| Varieties | Contains circular perforations,arranged like a net or honeycomb | Lacunosus | 0%
|
| Species | Shape of lenses, almonds, or UFOs | Lenticularis | 0%
|
| Species | Cumulus of moderate verticalextent, with sprouting at the top | Mediocris | 0%
|
| Species | Unique type of the cloud above | Morning Glory | 0%
|
| Supplementary features | A localised, persistent, often abruptlowering of a cloud from the base of said cloud (unique to one genus) | Murus | 0%
|
| Upper atmospheric clouds | Shows very marked irisation; formedroughly at the ozone layer | Nacreous clouds | 0%
|
| Upper atmospheric clouds | Clouds found in the mesosphere,composing of ice crystals often condensing onto meteor dust. Seen during twilight most commonly in the summer; bluish or silvery in colour | Noctilucent clouds | 0%
|
| Varieties | Extensive cloud patch or layer,opaque enough to block out or mask the sun or moon | Opacus | 0%
|
| Accessory clouds | Ragged shreds; below another cloud,sometimes attached to it | Pannus | 0%
|
| Varieties | Extensive cloud layer, containingdistinct or small spaces between the elements, enough to see the sun or moon | Perlucidus | 0%
|
| Accessory clouds | Cap or hood on the top of acumuliform cloud, often penetrating it | Pileus | 0%
|
| Supplementary features | Precipitation falling from the cloudand reaching the surface | Praecipitatio | 0%
|
| Varieties | Parallel bands that, owing toperspective, seem to converge at a singular point on the horizon | Radiatus | 0%
|
| Special clouds | Originates over forests as a result ofincreased humidity due to evaporation and evapotranspiration from the canopy | {Silva}genitus | 0%
|
| Species | Upper tropospheric-cloud, dense,which appear greyish when viewed in front of the sun | Spissatus | 0%
|
| Species | Spreads out in an extensivehorizontal layer | Stratiformis | 0%
|
| Varieties | Clouds in an extensive layer,sufficiently translucent to reveal the position of the sun or moon | Translucidus | 0%
|
| Supplementary features | TORNADO!!! (and waterspouts) | Tuba | 0%
|
| Species | Unique to cirrus; often shaped likea comma, terminating at the top like a hook | Uncinus | 0%
|
| Varieties | A cloud showing a rolling pattern | Undulates | 0%
|
| Upper atmospheric clouds | Type I of the above cloud -tenuous and lack well-defined structure | Veils | 0%
|
| Accessory clouds | An accessory cloud veil of greathorizontal extent, close above or attached to the upper part of one or several cumuliform clouds that often pierce it. | Velum | 0%
|
| Varieties | Arranged in the form of ribs | Vertebratus | 0%
|
| Supplementary features | Precipitation falling from the cloud that does not reach the surface. Trails of precipitation can be vertical or inclined | Virga | 0%
|
| Species | A long, horizontal, tube-shapedcloud mass | Volutus | 0%
|
| Upper atmospheric clouds | Stratospheric clouds with smaller andless numerous particles than the above cloud, and which exist at temperatures up to 6 °C above the ice point and contain solid hydrates or liquid solution droplets of nitric acid and water. | Water polar stratospheric clouds | 0%
|
| Upper atmospheric clouds | Type IV - partial or, rarely, completerings with dark centres IVa: Comprised of whirls of small radius of curvature. May appear as small bright crests IVb: Have the form of a simple bend of one or several bands IVc: Have a large-scale ring structure | Whirls | 0%
|