stable air

stable air

A mass of air which if pushed up tends to come back to its original location. The actual lapse rate is less than the adiabatic lapse rate, and in some cases, it may even be negative. See stability (ii).
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
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Let's take the example of stable air near the ground.
According to Yuter, "these waves cause up-and-down motions in the atmosphere, akin to a boat bobbing on the ocean." The scientists believe that at nighttime, winds moving offshore from the southwestern coast of Africa interact with stable air over the ocean, forming the atmospheric gravity waves.
It is very stable air. When we get high pressure the ground heats up.
This stable air gap creates a nearly frictionless seal for the engine.
James Hogan, President and Chief Executive Officer of Etihad Airways, said the investment was in line with the growing trend of consolidation in the airline industry, to ensure the continuation of viable, reliable and stable air services, and to maximise flight connectivity.
The high pressure cell consists of cold, dense and stable air, and it slowly rotates anti-clockwise.
Available in color and monochrome, NexImage Burst cameras feature sophisticated CMOS sensors capable of capturing brief moments of stable air for sharper images of the planets.
The team traveled to the South Pole to take advantage of its cold, dry, stable air to examine spatial scales on the sky spanning about one to five degrees, two to ten times the width of the full Moon.
In order to measure a stable air flow velocity profile, we operated the RTU for more than 30 minutes between each measurement to ensure that the condensation generated on the evaporator reached a stable pattern.
The clear skies and stable air above Hawaii's volcanic peaks make for a prime location to view space one of the best in the world, in fact.
Kottlowski noted the dry, stable air and said the predicted numbers would have to be cut back if that dry air persisted.
This usually indicates high pressure and stable air coming in from the west.