Visual Meteorological Conditions (VMC)
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Visual Meteorological Conditions (VMC): Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima.
Instrument Meteorological Conditions (IMC): Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling less than minima specified for visual meteorological conditions (VMC).
Visual Average Speed Computer And Recorder (VASCAR): This is little more than a glorified stopwatch, whereby the vehicle is timed over a set distance (for example over two white markings in the road surface or over two bridges) an average spee . . . View Full Definition
Visual Asymbolia: words can be transcribed but not read
Unsafe Conditions: Hazards, such as faulty equipment or tools, improper safety procedures, failure to improperly guard equipment, etc., that result or have the potential to result in an accident or injury to another.
Visual Flight Rules (VFR): 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.
Visual Imagery: Imagery that invokes colors, shapes, or things that can be seen. See discussion under imagery.
World Meteorological Organization (WMO): From weather prediction to air pollution research, climate change related activities, ozone layer depletion studies and tropical storm forecasting, the World Meteorological Organization coor . . . View Full Definition
Televisual: Characteristic of television.
Visual Hallucination: A hallucination involving sight, which may consist of formed images, such as of people, or of unformed images, such as flashes of light. Visual hallucinations should be distinguished from il . . . View Full Definition
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