Search results
When it is overcast, the clouds are stratus clouds, which are gray or grayish white. A few examples of overcast skies are exhibited below: Obscured: Obscured skies have something that is blocking both the view of the sky and the clouds.
Cloud cover (also known as cloudiness, cloudage, or cloud amount) refers to the fraction of the sky obscured by clouds on average when observed from a particular location. [2] Okta is the usual unit for measurement of the cloud cover.
13 wrz 2019 · Obscured – Something is blocking your view of the sky AND the clouds. This could be dust, haze (pollution), smoke, volcanic ash, and even heavy rain or snow. Snow will appear white, but other obscurations may give the sky a brownish or orangish hue.
The definitions of clouds given in the present Atlas apply, unless otherwise specified, to observations carried out under the following conditions: (a) The observer is at the Earth’s surface, on land in areas without mountainous relief or at sea (b) The air is clear, and no obscuring phenomena such as fog, haze, dust, smoke, etc. are present
The WMO International Cloud Atlas is the reference for the classification of clouds and meteorological meteors. It provides the definitions and descriptions of cloud types and meteors, and flow charts to help identify them.
Definition and importance of clouds. A cloud is an aggregate of cloud droplets or ice crystals, or a combination of both, suspended in air. For a cloud to be visible, the cloud particles need to exist in a sufficiently large concentration.
1 sty 1993 · This chapter reviews the basic nomenclature for identifying clouds. This method of cloud identification is practical because it provides weather observers at locations all over the world a simple, direct way to report clouds without making a physical interpretation of their observation.
