upper air


Also found in: Acronyms.

upper air

[′əp·ər ′er]
(meteorology)
The region of the atmosphere which is above the lower troposphere; although no distinct lower limit is set, the term is generally applied to levels above that at which the pressure is 850 millibars.

upper air

In synoptic meteorology and in weather observation, the portion of the atmosphere that is above the lower troposphere. No distinct lower limit is set, but the term is generally applied to the levels above 5000 ft AMSL (above mean sea level) or 850 hectopascals (millibars).
References in classic literature ?
When he had regained the upper air he started for his old home, and having found his mother still living in the old house where he had left her, they settled down together very happily.
He sent out quite needlessly a third sack of ballast and a fourth, and presently had the immense satisfaction of soaring up out of the damp and chill into the clear, cold, upper air in which the day still lingered.
After this, low pressure will be more deep in the upper air and more cold air will come into the upper air from the north," Dr Habib said.
In this work, a CALMET diagnostic model nested to WRF model simulation is evaluated by comparison to both surface and upper air measurements, along specific periods.
But the overall high pressure control in the upper air, from 25,000 to 45,000 feet proved too much and the recorded rainfall on Monday and Monday night was scanty at best.
However, the western disturbance in this month has been more active, inducing systems in form of a depression or low pressure area instead of usual upper air cyclonic circulations," Dr B.
Forecasters at the NCMS said clouds would enter the emirates from the west due to an upper air low pressure.
Men and boys went down not always aware of the dangers Into places not meant for upper air breathing strangers.
Talking to Qatar Tribune, the Head of Forecast and Analysis Section Abdulla Mohammed al Mannai said, "The primary reason for the dusty weather and light rain is the trough of low pressure in the upper air level over the Arabian peninsula.
Ramadan clarified that the workshop on quality management in surface, climate and upper-air observations, specifies the needs of national meteorological facilities in developing countries and monitoring weather, climate and upper air, provision and management of quality.
In these three works, the personalized ventilation airflow was obtained using a combination of three ventilators: a bigger one placed before the desk ducts systems, a smaller one placed in the exit upper air terminal device, and a smaller one placed in the exit lower air terminal device.
Fittingly, of the songs taken from recent second album Upper Air, it was Northern Lights that shone brightest, although Crooked Lust came a close second.