Visual Meteorological Conditions (VMC)

Meteorological conditions are expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. These are the conditions specified for Visual Flight rules (VFR), which refers to the general weather conditions pilots can expect at the surface. VFR criteria means a ceiling greater than 3,000 feet and greater than 5 miles.

Concept Mapping Toolkit
Insitute for Human and Machine Cognition
The University of West Florida