April 2015

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April 2015

A Golden Oldie

April’s cloud of the month looms over Lake Tuggeranong, in the south of Canberra, Australia, resplendent in the golden rays of the evening. Having grown higher and higher into the atmosphere as the evening progressed, this Cumulonimbus storm cloud has now reached its mature stage. It has reached the very top of the troposphere – perhaps 9 miles or 14 kilometres up – the upper limit of where weather happens.

The cloud spent the evening hurling hail and bolts of lightning, and now its fury is passing. The mighty King of the atmosphere is losing energy. This is indicated by its unruly hairstyle. For when the upper part of a Cumulonimbus splays outwards in fibrous streaks like this, described as ‘capillatus’, the Latin for ‘hairy’, all the droplets at its summit have frozen. This shows that the King of Clouds, just like the day itself, is soon to reach its end.

Photograph © Peter Gray.

3 Comments
  • Sally

    April 7, 2015 at 10:16 am

    Fabulous capture, love the reflected colours over the water.

  • Michael Davies

    April 17, 2015 at 4:35 pm

    superb image well deserved

  • Laurence Green

    April 18, 2015 at 4:05 pm

    I fully agree with Sally’s &
    Michael’s comments. Lovely image!

    Laurence

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