Lat­est pub­li­ca­tion gives new names to clouds

The Oban Times - - News -

A CLOUD at­las has been pub­lished on­line and three new cloud struc­tures have been named.

Last month marked World Me­te­o­ro­log­i­cal Day and, to raise un­der­stand­ing of weather and cloud pat­terns, a map of clouds and for­ma­tions has been pub­lished on­line.

The cloud species Vo­lu­tus has been of­fi­cially named as a new species of cloud in the World Me­te­o­ro­log­i­cal Or­gan­i­sa­tion Cloud At­las.

The new cloud species name will now be used by me­te­o­rol­o­gists op­er­a­tionally around the world.

As well as a new species, sev­eral ‘spe­cial clouds’ and sup­ple­men­tary fea­tures of ex­ist­ing cloud types have been of­fi­cially recog­nised in the at­las, which is the of­fi­cial pub­li­ca­tion of cloud types.

It is used as a ref­er­ence doc- ument by op­er­a­tional me­te­o­rol­o­gists around the world and is also an im­por­tant train­ing tool for me­te­o­rol­o­gists, as well as for those work­ing in avi­a­tion and at sea.

Spe­cial clouds named in the new edi­tion in­clude: Flam­ma­gen­i­tus, which are clouds formed as a re­sult of for­est fires; and Ho­mogen­i­tus, which de­notes man-made or an­thro­pogenic clouds such as those which form over power sta­tion cool­ing tow­ers. An ex­am­ple of a new sup­ple­men­tary fea­ture is Asper­i­tas, which are well- de­fined wave-like struc­tures in the un­der­side of clouds.

Met Of­fice chief ex­ec­u­tive Rob Var­ley said: ‘World Me­te­o­ro­log­i­cal Day pro­vides a fan­tas­tic op­por­tu­nity for ev­ery­one to ap­pre­ci­ate the im­por­tance and value that the weather can bring to the globe.

‘Clouds play a key role in the func­tion of our planet’s cli­mate sys­tem and the nam­ing of the new Vo­lu­tus species of cloud shows that we are con­tin­u­ally learn­ing and de­vel­op­ing our un­der­stand­ing.’

The new edi­tion of the WMO Cloud At­las will be avail­able on­line for the first time, with of­fi­cial def­i­ni­tions, im­agery and in­for­ma­tion on all of the clouds in­clud­ing the ad­di­tions.

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