© Alex Ngai

Tai O, Hong Kong, China

Latitude: 22° 15' 30'' N

Longitude: 113° 51' 36'' E

21 July 2013 1739 (Local Time)
Camera direction: towards S

Image P/S code: P.4.24

Image I.D.: 5040

C_L = 9, C_M = 6, C_H = 8

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  Cumulonimbus capillatus incus pileus

  A large complex of Cumulonimbus cells is in the distance. The cloud is identified as Cumulonimbus as the upper parts are becoming indistinct and flattened, and the appearance is becoming that of a whitish mass without sharp outlines.

  Some of the upper portion has cirriform parts with a clearly fibrous structure in the shape of a disorderly mass of hair. This identifies the species capillatus and the disorderly mass of hair is the supplementary feature incus. Several pileus "cap" clouds can be seen attached to and above the main cell.

  Patches of Altocumulus cumulonimbogenitus are present, as well as Cumulus humilis and fractus; Stratocumulus; and Cirrostratus fibratus undulatus.

  Links in the image description will highlight features on the image. Mouse over the features for more detail.

  © Alex Ngai
  Tai O, Hong Kong, China
  Latitude: 22° 15' 30'' N
  Longitude: 113° 51' 36'' E
  21 July 2013 1739 (Local Time)
  
  
  Camera direction: towards S
  C_L = 9, C_M = 6, C_H = 8
  Image P/S code: P.4.24
  Image I.D.: 5040
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  A broad trough of low pressure over the northern part of the South China Sea brought unsettled weather to the coast of Guangdong, China on this day.

  © The Government of the Hong Kong Special Administrative Region
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  Conditionally unstable low and middle levels, high moisture content from surface to tropopause 

  © The Government of the Hong Kong Special Administrative Region