Moisture Advection

Moisture Advection along the 850 mb surface
Moisture advection is horizontal transport of moisture, which plays a very important role in the development of precipitation.

MOISTURE ADVECTION
Tansport of moisture by horizontal winds.
MOISTURE CONVERGENCE
A measure of the degree to which moist air is converging into a given area, taking into account the effect of converging winds and moisture advection.

Moisture Advection - Transport of moisture by horizontal winds. This can sustain severe and non-severe thunderstorms at night when the heat of the day is lost.

Examples include heat and moisture advection. ADVECTION FOG Fog that develops when warm moist air aloft moves over a colder surface, cooling that air to below its dew point. An example is Arctic Sea Smoke, a form of sea fog.

Example of phenomena that produce upward QG forcing include low level warm air and moisture advection, positive differential vorticity advection, and the right rear and left front quadrant of a jet streak.

Transport of an atmospheric property, e.g. heat or moisture, by the wind. See cold advection, moisture advection, and warm advection.
Advection fog ...

Moisture Convergence - A measure of the degree to which moist air is converging into a given area, taking into account the effect of converging winds and moisture advection.

Advection - Transport of an atmospheric property by the wind. See cold advection, moisture advection, warm advection.

The horizontal transfer of any property in the atmosphere by the movement of air (wind). Examples include heat and moisture advection.
ADVECTION FOG ...

Advection The horizontal movement of an air mass that causes changes in the physical properties of the air such as temperature and moisture. Commonly used with temperatures, i.e., "warm air advection", or moisture, i.e.,"moisture advection".

See also: Air, Moisture, Horizon, Pressure, Advection