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[PA.I.C.K1b] A pyrocumulus cloud (pyrocumulonimbus in its most severe form) forms primarily as a result of

When the temperature and dewpoint are within a few degrees of each other and dropping, you can expect

[CFI.I.C.K1] Why are pyrocumulus clouds considered especially hazardous to pilots operating in or near wildfire areas?

[IR.I.C.K1b] Frontal fog that forms ahead of a warm front is primarily caused by

The term “wind shear” refers to

[CA.I.C.K1a] The pressure gradient force, which initiates wind flow, drives air

Which is true regarding cold fronts?

The atmosphere is divided into layers based on

At approximately what altitude above the surface would the pilot expect the base of cumuliform clouds if the surface air temperature is 82 degrees F and the dewpoint is 38 degrees F? (Formula: (temp-dewpoint)/4.4 × 1000 ≈)

What three elements are required for a thunderstorm to form?