A forecast of weather elements of particular interest to aviation; including ceiling, visibility, upper winds, icing, turbulence, precipitation types, and storms.
An evaluation, according to set procedures, of those weather elements which are most important for aircraft operations. Always includes cloud height or vertical visibility, sky cover, visibility, obstructions to vision, certain atmospheric phenomena, and ...
States that equal volumes of all gases under the same conditions of pressure and temperature contain the same number of molecules.
The incremental cost to an electric power producer to generate or purchase a unit of electricity or capacity or both.
Always Within Institute Warranties Limits For insurance purpose: the ship should sail only within sea areas in which she is always insured. For instance the Bearing Sea is outside these limits, while he southern part of it is almost always free of ice. An ...
An architectural element for shading windows and wall surfaces placed on the exterior of a building; can be fixed or movable.
American Waterway Operators. The national trade association for the barge and towing industry and the shipyards employed in the repair and construction of these craft.
Automated Weather Observing Station. A self-contained weather station designed to make aviation weather observations without operator involvement.
Fans in which the direction of the flow of the air from inlet to outlet remains unchanged; includes propeller, tubaxail, and vaneaxial type fans.
A type of air compressor in which air is compressed in a series of stages as it flows axaily through a decreasing tubular area.