Cloud Flashcards
What are the two cloud types considered dangerous to aircraft ?
Towering Cumulus and Cumulonimbus
What happens to a parcel of air as it rises through the atmosphere ?
Pressure decreases, the air parcel expands and the temperature decreases.
What temperature does a rising air parcel need to attain before clould will form ?
The Dew point Temperature
What happens to cloud droplets when they cool to temperatures just a few degrees below Zero Celsius.
They remain as a liquid and are referred to as being supercooled
What cloud types are generated by the convection trigger action?
Cumuliform cloud
Where does orographic cloud generally form ?
Over hills and mountains
What happens to an air parcel rising in an unstable atmosphere ?
It continues rising
What combination of clouds are most likely to form in a stable atmosphere ?
Stratus and Stratocumulus
What the Abbreviation for Stratus
ST
Nimbostratus
NS
Cirrus
CI
Altocumulus
AC
Altostratus
AS
Cumulonimbus
CB
Towering Cumulus
TCU
