Meteorology

Nimbostratus

Definition

A thick grey cloud layer producing steady continuous precipitation over a wide area. Associated with warm fronts and occluded fronts. Produces IFR conditions with low ceilings and reduced visibility.

Related Terms

Warm Front

The leading edge of an advancing warm air mass riding over retreating cold air. ...

Ceiling

The height above ground level of the lowest broken or overcast cloud layer. Ceil...

Instrument Flight Rules(IFR)

Flight rules requiring navigation solely by reference to flight instruments. IFR...

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