runway temperature

runway temperature

[′rən‚wā ‚tem·prə·chər]
(meteorology)
The temperature of the air just above the runway at an airport (usually at about 4 feet or 1.2 meters but ideally at engine or wing height), used in the determination of density altitude; therefore, runway temperature observations are made and reported at airports when critical values of density altitude prevail.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

runway temperature

The air temperature immediately above a runway approximately at wing level.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
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This is a short term (3 to 6 hour) weather station-specific forecasting tool which runs automatically within the Ice Prediction system and is activated when the runway temperatures drop below a user defined level.

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