Stratus silvagenitus is a type of

stratus cloud Stratus clouds are low-level clouds characterized by horizontal layering with a uniform base, as opposed to convective or cumuliform clouds formed by rising thermals. The term ''stratus'' describes flat, hazy, featureless clouds at low altit ...

. The word is a

scientific Latin Contemporary Latin is the form of the Literary Latin used since the end of the 19th century. Various kinds of contemporary Latin can be distinguished, including the use of Neo-Latin words in taxonomy and in science generally, and the fuller ec ...

coinage meaning "created from forest".

Appearance

This cloud type forms over forested areas which are experiencing high

relative humidity Humidity is the concentration of water vapor present in the air. Water vapor, the gaseous state of water, is generally invisible to the human eye. Humidity indicates the likelihood for precipitation (meteorology), precipitation, dew, or fog t ...

levels, for example, after precipitation has passed, through

evaporation Evaporation is a type of vaporization that occurs on the Interface (chemistry), surface of a liquid as it changes into the gas phase. A high concentration of the evaporating substance in the surrounding gas significantly slows down evapora ...

and/or

evapotranspiration Evapotranspiration (ET) refers to the combined processes which move water from the Earth's surface (open water and ice surfaces, bare soil and vegetation) into the Atmosphere of Earth, atmosphere. It covers both water evaporation (movement of w ...

Silvagenitus_Cloud_over_Catface_Mountain

If the cloud is uniform, it is called a "stratus" silvagenitus cloud, if the cloud is ragged and wispy, then it is called a "stratus fractus" silvagenitus cloud. These clouds typically form near the ground. The silvagenitus cloud variety only appears in the

Stratus Stratus may refer to: Weather *Stratus cloud, a cloud type **Nimbostratus cloud, a cloud type **Stratocumulus cloud, a cloud type **Altostratus cloud, a cloud type ** Altostratus undulatus cloud, a cloud type **Cirrostratus cloud, a cloud type Mu ...

cloud species Cloud species are a set of fourteen terms used to describe the shape and structure of clouds. Each one has its name abbreviated to a three letter term. References See also

* List of cloud types Cloud types pl:Chmura#Klasyfikacja ch ...

due to its mechanism of formation, as it is driven by forced increase of

dew point The dew point is the temperature the air needs to be cooled to (at constant pressure) in order to produce a relative humidity of 100%. This temperature depends on the pressure and water content of the air. When the air at a temperature above the ...

instead of convective

adiabatic cooling An adiabatic process (''adiabatic'' ) is a type of thermodynamic process that occurs without transferring heat between the thermodynamic system and its environment. Unlike an isothermal process, an adiabatic process transfers energy to the s ...

like in

cumulus Cumulus clouds are clouds that have flat bases and are often described as puffy, cotton-like, or fluffy in appearance. Their name derives from the Latin , meaning "heap" or "pile". Cumulus clouds are low-level clouds, generally less than in a ...

clouds.

References

{{Cloud types Cloud types