Statistics for All cloud classification terms

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General Stats

  • This quiz has been taken 2 times
  • The average score is 6 of 64

Answer Stats

GroupHintAnswer% Correct
GeneraTransparent, whitish cloud veil,
capable of producing halo
phenomena
Cirrostratus
100%
GeneraFibrous, delicate filaments in the
upper troposphere
Cirrus
100%
GeneraExtremely tall and dense, in the
form of a tower
Cumulonimbus
100%
GeneraDetached clouds in the form of
rising mounds
Cumulus
100%
GeneraLayer (or sheet) of puffy cloudsStratocumulus
100%
GeneraGenerally grey cloud layer with a
uniform base, sometimes bringing
drizzle, snow, or snow grains
Stratus
100%
Special cloudsOriginating from aircraft, disappearing
or transforming into another cloud
in at least 10 minutes
Aircraft condensation trails
0%
GeneraWhite-grey sheet of cloud, rounded
masses, sometimes partially fibrous
or diffuse
Altocumulus
0%
GeneraBlue-grey striated layer of clouds,
mid-troposphere. Sun is partially
visible through this cloud
Altostratus
0%
Supplementary featuresA dense, horizontal roll, on the lower
front part of certain clouds
Arcus
0%
Supplementary featuresExtremely rare cloud; chaotic
underside with minimal horizontal
organisation, rolling, descending into
sharp points
Asperitas
0%
Upper atmospheric cloudsType 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 cloudsType 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%
SpeciesUpward-protrubing puffy
mounds beginning to
lose their cumuliform outlines,
with no cirriform part visible
Calvus
0%
SpeciesOften in the form of an anvil, with
a fibrous cirriform top
Capillatus
0%
SpeciesCumuliform protuberances in the
form of turrets
Castellanus
0%
Special cloudsForms within the vicinity of
large waterfalls
{Cataracta}genitus
0%
Supplementary featuresA horizontal, tail-shaped cloud
(not a funnel) at low levels
extending from the main
precipitation region of a supercell
Cumulonimbus
Cauda
0%
Supplementary featuresHole-punched cloud, with a wisp
typically falling from the central part
of the hole
Cavum
0%
GeneraThin layer of small grain-like clouds
in the upper troposphere
Cirrocumulus
0%
SpeciesStrongly sprouting cumuliform cloud,
the upper portion of which resembles
cauliflower
Congestus
0%
VarietiesCloud patches, sheets, or layers, at
at least two different levels. Can
be partially merged
Duplicates
0%
SpeciesDetached clouds or a thin cloud
veil, 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%
SpeciesSmall tufts with a cumuliform
appearance, the lower part of which
is ragged
Floccus
0%
Supplementary featuresA relatively short-lived formation,
which is found on the top part of
the cloud in a breaking wave shape
Fluctus
0%
Accessory cloudsBands of low clouds associated with
cumulonimbi, arranged parallel to
low-level winds
Flumen
0%
SpeciesClouds in the form of irregular shreds,
which have a clearly ragged
appearance
Fractus
0%
Special cloudsDeveloped as a consequence of
human activity
{Homo}genitus
0%
Special cloudsDeveloped as a consequence of
human activity
{Homo}mutatus
0%
Supplementary featuresUnique type of the cloud above;
a horizontal and detached cloud
Horseshoe vortex
0%
SpeciesPuffy cloud with limited vertical
extent, 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%
VarietiesCirrus that are irregularly curved and
tangled
Intortus
0%
VarietiesContains circular perforations,
arranged like a net or honeycomb
Lacunosus
0%
SpeciesShape of lenses, almonds, or UFOsLenticularis
0%
Supplementary featuresCloud whose etymology is from
the Latin for 'breast' or 'udder'
Mamma
0%
SpeciesCumulus of moderate vertical
extent, with sprouting at the top
Mediocris
0%
SpeciesUnique type of the cloud aboveMorning Glory
0%
Supplementary featuresA localised, persistent, often abrupt
lowering of a cloud from the base
of said cloud (unique to one genus)
Murus
0%
Upper atmospheric cloudsShows very marked irisation; formed
roughly at the ozone layer
Nacreous clouds
0%
SpeciesLike a nebulous or ill-defined cloud
veil or layer
Nebulosus
0%
GeneraGrey cloud layer, made diffuse by
continuous precipitation
Nimbostratus
0%
Upper atmospheric cloudsClouds 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%
VarietiesExtensive cloud patch or layer,
opaque enough to block out or mask
the sun or moon
Opacus
0%
Accessory cloudsRagged shreds; below another cloud,
sometimes attached to it
Pannus
0%
VarietiesExtensive cloud layer, containing
distinct or small spaces between the
elements, enough to see the sun
or moon
Perlucidus
0%
Accessory cloudsCap or hood on the top of a
cumuliform cloud, often penetrating
it
Pileus
0%
Supplementary featuresPrecipitation falling from the cloud
and reaching the surface
Praecipitatio
0%
VarietiesParallel bands that, owing to
perspective, seem to converge at a
singular point on the horizon
Radiatus
0%
Special cloudsOriginates over forests as a result of
increased humidity due to evaporation
and evapotranspiration from the canopy
{Silva}genitus
0%
SpeciesUpper tropospheric-cloud, dense,
which appear greyish when viewed
in front of the sun
Spissatus
0%
SpeciesSpreads out in an extensive
horizontal layer
Stratiformis
0%
VarietiesClouds in an extensive layer,
sufficiently translucent to reveal the
position of the sun or moon
Translucidus
0%
Supplementary featuresTORNADO!!! (and waterspouts)Tuba
0%
SpeciesUnique to cirrus; often shaped like
a comma, terminating at the top
like a hook
Uncinus
0%
VarietiesA cloud showing a rolling patternUndulates
0%
Upper atmospheric cloudsType I of the above cloud -
tenuous and lack well-defined
structure
Veils
0%
Accessory cloudsAn accessory cloud veil of great
horizontal extent, close above or
attached to the upper part of one or
several cumuliform clouds that
often pierce it.
Velum
0%
VarietiesArranged in the form of ribsVertebratus
0%
Supplementary featuresPrecipitation falling from the cloud
that does not reach the surface.
Trails of precipitation can be vertical
or inclined
Virga
0%
SpeciesA long, horizontal, tube-shaped
cloud mass
Volutus
0%
Upper atmospheric cloudsStratospheric clouds with smaller and
less 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 cloudsType IV - partial or, rarely, complete
rings 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%

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