Cloud Identification

Question 1

Answer 1

Citrus Fibratus
Nearly straight and do not terminate in hooks or tufts

Question 2

Answer 2

Cirrus uncinus
curly hooks

Question 3

Answer 3

Cirrus spissatus
Often originates from the upper part of a cumulonimbus. Dense enough to appear greyish towards the sun and may block it out

Question 4

Answer 4

Cirrus castellanus
Turrets usually rising from a connected base

Question 5

Answer 5

Cirrus floccus
Small tuft, little bit ragged, usually accompanied by virga

Question 6

Answer 6

Cirrocumulus stratiformis
Extensive horizontal sheet or layer spread out

Question 7

Answer 7

Cirrostratus nebulosus
Not many details, veil like structure, can usually see a corona around sun when looking up

Question 8

Answer 8

Cirrocumulus lenticularis
Lens or almond shape, usually orographically driven

Question 9

Answer 9

Cumulonimbus with cirrus capillatus
Anvil cloud

Question 10

Answer 10

Cirrus intortus

Intortus means twisted

Question 11

Answer 11

cirrus vertebratus

Exclusive to cirrus cloud.
Shaped like a fish spine or ribs

Question 12

Answer 12

Cirrocumulus undulatus

Rippled wavy pattern

Question 13

Answer 13

Cirrostratus undulatus
Larger coverage of wavy pattern

Question 14

Answer 14

Cirrus radiatus

Covers entire sky and appears to be converging at one point

Question 15

Answer 15

Cirrocumulus lacunosus

Latin meaning full of hollows

Question 16

Answer 16

Cirrus duplicatus

Question 17

Answer 17

Cirrus fibratus mamma
Udder like protuberances

Question 18

Answer 18

Cirrus fluctus
Kelvin Helmholtz clouds

Question 19

Answer 19

Cirrocumulus cavum

Aka fallstreak hole

Question 20

Answer 20

Cirrocumulus Supercilium

Question 21

Answer 21

Altocumulus

Question 22

Answer 22

Altocumulus castellanus
Multiple turrets from same base

Question 23

Answer 23

Altocumulus lenticularis

Question 24

Answer 24

Altocumulus stratiformis

Question 25

Answer 25

Altocumulus cumulogenitus Cannot lift any higher so they spread out at tops, false anvil

Question 26

Answer 26

Altocumulus floccus

Question 27

Answer 27

Altocumulus translucidus Part of the stratiformis/ lenticularis species

Question 28

Answer 28

Altocumulus duplicatus undulatus

Question 29

Answer 29

Altocumulus fractus

Question 30

Answer 30

Altocumulus volutus

Question 31

Answer 31

Altocumulus radiatus

Question 32

Answer 32

Altocumulus lacunosus

Question 33

Answer 33

Altocumulus opacus

Question 34

Answer 34

Altocumulus undulatus asperitas

Question 35

Answer 35

Altocumulus fluctus

Question 36

Answer 36

Altostratus

Question 37

Answer 37

Altostratus undulatus

Question 38

Answer 38

Altostratus translucidus

Question 39

Answer 39

Nimbostratus

Question 40

Answer 40

Stratocumulus

Question 41

Answer 41

Stratus

Question 42

Answer 42

Cumulus

Question 43

Answer 43

Cumulus fractus

Question 44

Answer 44

Cumulus humilis Flattened shape

Question 45

Answer 45

Cumulus mediocris Moderate vertical extent, small protuberances at top

Question 46

Answer 46

Cumulus congestus Cauliflower looking

Question 47

Answer 47

Stratocumulus volutus (cumulus) volutus Aka morning glory

Question 48

Answer 48

Stratocumulus radiatus Lines appearing to go to one point in horizon

Question 49

Answer 49

Cumulus fluctus Aka Kelvin-Helmholtz clouds Short lived

Question 50

Answer 50

Cumulonimbus calvus Not yet precipitating and losing partial cauliflower appearance

Question 51

Answer 51

Cumulonimbus capillatus Known by its anvil shape

Question 52

Answer 52

Mammatus cloud

Question 53

Answer 53

Virga Rain that doesn’t reach ground

Question 54

Answer 54

Arcus

Question 55

Answer 55

Murus Aka wall cloud typically under rain-free base

Question 56

Answer 56

Cauda aka tail cloud

Question 57

Answer 57

Pileus cloud aka cap cloud

Question 58

Answer 58

Velum Piercing cloud of horizontal extent Veil-like usually connecting several clouds

Question 59

Answer 59

Pannus clouds Aka scuds

Question 60

Answer 60

Flumen Beaver tail cloud at inflow base of cb

Question 61

Answer 61

Pyrocumulonimbus aka flammagenitus

Question 62

Answer 62

Homogenitus Human made clouds

Question 63

Answer 63

Cataractagenitus Clouds made from waterfalls

Question 64

Answer 64

Silvagenitus Clouds over forested areas due to evaporation from tree canopy

Question 65

Answer 65

Nacreous clouds Aka mother of pearl, happen mostly over polar regions

Question 66

Answer 66

Noctilucent clouds Only happens in summer. Located in the mesosphere

Question 67

Answer 67

Advection fog Warm moist air moves over cold ground surface

Question 68

Answer 68

Radiation fog (ground/valley fog) Forms when all solar energy has exited the ground and allows temp to meet dew point. Usually happens when it rained the previous night.

Question 69

Answer 69

Upslope fog Cooled adiabatically Forms when warm moist air is pushed up mountain side and reaches dew point

Question 70

Answer 70

Steam fog occurs when evaporation takes place into cold air lying over warmer water. It is usually quite shallow. Steam Fog should not be confused with Advection Fog which is formed in warm moist air over a cold surface.

Question 71

Answer 71

Frontal fog Usually occurs ahead of warm fronts

Question 72

Answer 72

Ice fog Usually occurs In extreme cold temps