© Frank Le Blancq

northern France

Latitude: 49° 15' 56'' N

Longitude: 3° 12' 5'' E

05 June 2014 1648 (Local Time)
Camera direction: towards NE

Image P/S code: S.9.1

Image I.D.: 4984

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  Cumulus humilis

  The aerial image shows Cumulus cloud from above. The cloud elements are generally dense but in a relatively random pattern. There is only limited vertical development with a generally flattened appearance to the cloud, indicative of the species humilis (CL = 1). The reported cloud base was 5 000 ft and the cloud tops were estimated at approximately 6 000 ft. The surface data were taken from Charles de Gaulle Airport, Paris, France observations.

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  © Frank Le Blancq
  northern France
  Latitude: 49° 15' 56'' N
  Longitude: 3° 12' 5'' E
  05 June 2014 1648 (Local Time)
  
  
  Camera direction: towards NE
  Image P/S code: S.9.1
  Image I.D.: 4984
• 

  The area was under a weak ridge of high pressure located between low pressure over the Black Sea and low pressure of 991 hPa west of the Bay of Biscay. Earlier in the day the area had been in a polar maritime airflow.

  © Deutscher Wetterdienst
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  The Trappes, France (WMO 07145) sounding at 1200 UTC shows an unstable boundary layer. An inversion of 2 °C was present at 830 hPa with very dry air above.

  © University of Wyoming