Newest observations

Contact information

Skywarden,
Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki
taivaanvahti(at)ursa.fi

Ursa Astronomical Association

Other special clouds - 16.6.2018 at 16.22 - 16.6.2018 at 18.14 Kuusamo, Juuma Observation number 74592

Visibility Unclassified

Jani Päiväniemi, Ursa (Pohjois-Suomi)

In the afternoon, some almond clouds and some stacks were visible, here are a few shots.


Additional information
  • Havainto
    • Other special clouds
  • Cloud coverage in the sky
    • Very small area
  • Other special clouds
    • Stacked lenticularis info

      Stacked lenticularis clouds, is a phenomenon in which there are several lentil-like clouds piled on top of each other. In the sky watch, the practical boundary between the conventional altocumulus lenticularis and the rarer lenticularis stack is considered to be at least three overlapping lenticular, i.e. layer-like, clouds.

      Lenticularis clouds are streamlined, flat cloud shapes. Typically, they occur when a mountain or mountain causes a vertical disturbance to the air flow. At the top of the resulting air wave, moisture may condense into cloud droplets, allowing a smooth lenticular layer to be observed. Sometimes such clouds also form without strong terrain in connection with various weather phenomena.

      Lenticularis clouds themselves are not uncommon and they can be seen quite often. Overlapping lentil cloud layers are clearly a less frequently seen phenomenon. Such a layerish pile cloud is formed when the wetter and drier layers of air alternate in the air. At that time, moisture condenses in some layers and not in others, so that even a very large number of lenticular layers can be detected.

      Only such clearly formed, layered lenticular clouds are collected in the sky due to their rarity.

      In Iceland, a layered lenticular cloud formed in a wave caused by mountains. Image from Wikipedia.

Comments: 5 pcs
Mikko Peussa - 17.6.2018 at 01.04 Report this

Hienot pilvet ykköskuvassa.

Jani Päiväniemi - 17.6.2018 at 01.53 Report this

Kiitos Mikko! Olivat kyllä hienoja mutta alapilvet haittasivat jonkin verran näkyvyyttä.

Marko Myllyniemi - 19.6.2018 at 20.26 Report this

Etenkin ykköskuvassa varsin upeaa settiä!

Jani Päiväniemi - 19.6.2018 at 20.40 Report this

Kiitos Marko!

Tero Sipinen - 19.6.2018 at 22.08 Report this

Ykköskuva tosiaan aika jees. Suurpiirteisestikin lakien tusina lättyä pinossa. Nam!

Send a comment

Comments are checked and moderated before publication If you want to contact the observer directly about possibilities to use these images, use the Media -form.

*

*

*
characters left

By sending in this comment I confirm, that I've read and understood the the observation system's privacy policy.