© Michael Bruhn

Broadmeadows, Victoria, Australia

Latitude: 37° 41' 25'' S

Longitude: 144° 56' 50'' E

28 July 2006 1048 (Local Time)
Camera direction: towards S

Image P/S code: P.7.0

Image I.D.: 5949

C_L = 5, C_M = /, C_H = /

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  Stratocumulus stratiformis opacus

  Stratocumulus is a grey or whitish cloud, or a mixture of both, in the form of a patch, sheet or layer that almost always has dark parts. It is composed of tessellations, rounded masses, rolls and the like, which are non-fibrous (except for virga), and which may or may not be merged. Most of the regularly arranged small elements have an apparent width of more than 5°. In this photograph, we see a typically grey Stratocumulus layer with rolls, of the species stratiformis. At the time, it was starting to thin and lift, but was still thick enough throughout to mask the position of the Sun; therefore, it belongs to the variety opacus. Haze is trapped in front of the city in the distance.

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  © Michael Bruhn
  Broadmeadows, Victoria, Australia
  Latitude: 37° 41' 25'' S
  Longitude: 144° 56' 50'' E
  28 July 2006 1048 (Local Time)
  
  
  Camera direction: towards S
  C_L = 5, C_M = /, C_H = /
  Image P/S code: P.7.0
  Image I.D.: 5949
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  At 0900 hours local time, a high pressure cell to the north-east of the image location (red arrow) was weakening as a cold front approached from the west.

  © Commonwealth of Australia 2006, Bureau of Meteorology
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  The 0900 hours local time sounding from Melbourne Airport, Victoria, Australia (WMO 94866) shows an inversion with a base of 1 700 m. The inversion was weakening and lifting.

  © University of Wyoming