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Advection of warm moist air over a cooler surface, such as water, causes fog.


1. The transfer of a property of the atmosphere, such as heat, cold, or humidity, by the horizontal movement of an air mass: Today's temperatures were higher due to the advection of warm air into the region.
2. The rate of change of an atmospheric property caused by the horizontal movement of air.
3. The horizontal movement of water, as in an ocean current.

[Latin advectiō, advectiōn-, act of conveying, from advectus, past participle of advehere, to carry to : ad-, ad- + vehere, to carry; see wegh- in Indo-European roots.]

ad·vec′tive adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(General Physics) the transference of heat energy in a horizontal stream of gas, esp of air
[C20: from Latin advectiō conveyance, from advehere, from ad- to + vehere to carry]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ædˈvɛk ʃən)

1. a shift in temperature, humidity, or the like resulting from horizontal movement of an air mass (disting. from convection).
2. the horizontal flow of air, water, etc.
[1905–10; < Latin advectiō=advec-, variant s. of advehere to convey (ad- ad- + vehere to carry) + -tiō -tion]
ad•vec′tive, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


the horizontal movement of elements of the atmosphere. Cf. convection. — advective, adj.
See also: Atmosphere
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.advection - (meteorology) the horizontal transfer of heat or other atmospheric propertiesadvection - (meteorology) the horizontal transfer of heat or other atmospheric properties
meteorology - the earth science dealing with phenomena of the atmosphere (especially weather)
temperature change - a process whereby the degree of hotness of a body (or medium) changes
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
The wake remains aloft as it advects downwind such that at 2D the wake velocity deficit is approximately 2 m [s.sup.-1] and the wake is centered almost at the WT hub height.
At the maximum-expulsion phase of 270[degrees] (Figure 9(h)), the vortex pair detaches from the nozzle exit plane and grows in size as it advects downstream.
In ALE, a background solid mesh is created and fixed, and material advects through each cell as volume fractions.
Sometimes fog simply advects from one place to another.
What the low pressure system ahead of the high pressure cell does provide, is the ambulatory mechanism that advects the cold air from south to north.
Thus, an intense west-northwest barometric gradient that advects the Northwester Atlantic air is established over the peninsula.
This advects significant amounts of up welled water into the open Arabian Sea during the southwest monsoon and acts as a conduit for Gulf of Oman.
Temperatures tend to be lower, where more cold air is advected, and higher than on average, when the flow advects less cold or more warm air.
Positive values are associated with a stronger Aleutian Low, which advects more relatively warmer air into Alaska (particularly in winter, when this semipermanent feature is the strongest).
A reversal of the alongshore pressure gradient along the Northern California coastline occurs for two reasons: i) air descends from higher terrain over land to sea level and warms adiabatically and ii) warm air over land advects toward the MBL.
This could lead to a degradation of the signature of a detected pattern, as it advects downwind (a detrimental effect for predictive purposes).
But this actually advects vast amounts of tropical moisture into the high and dry regions of Denver and Cheyenne.