Saturated vapour pressure
The water vapour pressure when the air is saturated.
Dew-point
The temperature to which air must be cooled (at constant pressure and constant water vapour content) for saturation to occur.
SATURATE
To treat or charge something to the point where no more can be absorbed, dissolved, or retained. In meteorology, it is used when discussing the amount of water vapor in a volume of air.
Saturated Air
Moist air in a state of equilibrium with a plane surface of pure water or ice at the same temperature and pressure.
Severe Thunderstorm Warning
Indicates that severe thunderstorms have been sighted or indicated on radar.
SATURATED- Air with 100% relative humidity
SBA- Santa Barbara (airport)
...
saturated adiabatic lapse rate—The rate of decrease of temperature with height as saturated air is lifted with no gain or loss of heat from outside sources; varies with temperature, being greatest at low temperatures.
Saturated spectroscopy
Scattering
Scintillation (physics)
Single scattering albedo
Static light scattering ...
Saturated Adiabatic Lapse Rate
The rate at which saturated air cools as it ascends through the atmosphere. Generally between 4 and 7 degrees Celsius per kilometre, about half that of dry air.
Saturation ...
Frost pointWhen the temperature to which air must be cooled to in order to be saturated is below freezing.Fujita scaleSystem developed by Dr Theodore Fujita to classify tornadoes based on wind damage.
Lifting Condensation Level - the level at which a parcel of moist air becomes saturated when it is lifted dry adiabatically.LDSLightning Detection SystemLDTLocal Daylight Time.
Moist AdiabatThe line on a Skew T-Log P chart that depicts the change in temperature of saturated air as it rises and undergoes cooling due to adiabatic expansion. As saturated air rises, the temperature changes at a rate of 0.
The temperature at which a mixture of air-saturated pure water and pure ice may exist in equilibrium at a pressure of one standard atmosphere. Icing-rate meter An instrument for the measurement of the rate of ice accretion on an unheated body.
Relative HumidityA dimensionless ratio, expressed in percent, of the amount of atmospheric moisture present relative to the amount that would be present if the air were saturated.
Theta-e(or Equivalent Potential Temperature) - The temperature a parcel of air would have if
a) it was lifted until it became saturated,
b) all water vapor was condensed out, and
c) it was returned adiabatically (i.e.
Condensation Level: The height at which rising air becomes saturated.
Condensation Level: The height at which rising air becomes saturated.
The equilibrium vapor pressure at the surface of a saturated salt solution is less than that for a similar surface of pure water at the same temperature. This effect is exhibited by all salt solutions but particularly so by lithium chloride.
Perched GroundwaterIn hydrologic terms, local saturated zones above the water table which exist above an impervious layer of limited extent.
Moist convection in the atmosphere is characterized by deep, saturated updrafts and downdrafts, and unsaturated downdrafts driven largely by the evaporation and melting of precipitation.
Equilibrium Level (EL) It is the height in the upper troposphere where a parcel of saturated air, rising because of its positive buoyancy, becomes equal in temperature to the surrounding environment.
Moist Adiabatic Lapse Rate- The rate at which the temperature of a parcel of saturated air decreases as the parcel is lifted in the atmosphere.
DEWPOINT - The temperature at which the air becomes saturated and can no longer hold water, thus condensation or dew occurs. Dewpoints equal to the temperature means the air is saturated.
They are produced by the interaction of a saturated stable air layer, usually an inversion, and a pattern of vertical wind shear, ...
The reduction of temperature in the near-saturated environment, consequent upon the slight lowering of pressure, can be enough to cool the air to the dew point, and trails of water droplets are observed, ...
Abbreviation for Theta-e; the temperature a parcel of air would have if
a) it was lifted until it became saturated,
b) all water vapor was condensed out, and
c) it was returned adiabatically (i.e., without transfer of heat or mass) to a pressure ...
Equivalent Potential Temperature (or Theta-e) - the temperature a parcel of air would have if a) it was lifted until it became saturated, b) all water vapor was condensed out, and c) it was returned adiabatically (i.e.
The rate at which the temperature of saturated air (air at 100% relative humidity) will vary as it is raised or lowered through the atmosphere. The SALR varies with temperature and pressure, however it is always less than the DALR.
In hydrologic terms, the ratio, usually expressed as a percentage, of the volume of water or other liquid which a given saturated volume of rock or soil will yield under any specified hydraulic condition, to the given volume of soil or rock.
Moist adiabatic lapse rate A variable rate of cooling applicable to saturated (cloudy) air parcels that are ascending within the atmosphere.
Level of Free Convection (LFC): It is the height at which a parcel of air lifted dry-adiabatically until saturated (this is the Lifting Condensation Level) and moist-adiabatically thereafter would first become warmer (less dense) than the ...
wetlands An area that is regularly saturated by surface water or groundwater and subsequently is characterized by a prevalence of vegetation that is adapted for life in saturated-soil conditions.
Dew Point - The temperature of which air must be cooled for it to be saturated.
Drizzle - Precipitation in the form of liquid drops. It's diameter is less than .5 millimeters. Drizzle falls at a much slower rate than rain does.
dew point- temperature at which air at constant pressure must cool to become saturated with water vapor, followed by condensation.
down draft- a rapidly descending column of cooling air that causes heavy rains and violent wind gusts.
LEVEL OF FREE CONVECTION (LFC)
The level at which a parcel of saturated air becomes warmer than the surrounding air and begins to rise freely. This occurs most readily in a conditionally unstable atmosphere.
The thermal sensor in a psychrometer that has a muslin covered bulb which is saturated with water and then ventilated thoroughly to attain the wet-bulb temperature. Contrast with dry-bulb thermometer.
wind ...
Relative Humidity - A ratio, expressed in percent, of the amount of atmospheric moisture present relative to the amount that would be present if the air were saturated.
Moist adiabatic lapse rate - the rate of temperature change for saturated air.
Environmental lapse rate - the rate of temperature change actually measured in the atmosphere.
dewpoint: the temperature that air must reach before condensation can occur. The air is saturated at this point.
diffuse sky radiation: the energy from the sun that is scattered by molecules, clouds and aerosols in the atmosphere.
Fog - Steam: A form of fog caused by the advection of cold air over a warm water surface or a very saturated soil surface, giving the impression of rising steam. Common over large lakes and near-shore ocean areas during the cold season.
It consists of two thermometers, one of which (the dry bulb) is an ordinary glass thermometer, while the other (wet bulb) has its bulb covered with a jacket of clean muslin which is saturated with distilled water prior to an observation.
DEWPOINT - The temperature to which are must be cooled in order for it to be saturated.
DIHEDRAL - An upward angling of a wing from the root outward when viewed from in front.
The rate of change of temperature in a rising or descending saturated air parcel. The rate of cooling or warming varies but a common value of 6C per 1000 m (3.3F/1000 ft) is used. "Molecular viscosity
Monsoons(3) ...
Moist adiabatic rate
The rate of change of temperature in a rising or descending saturated air parcel. The rate of cooling or warming varies but a common value of 6ºC per 1000 m (3.3ºF per 1000 ft) is used.
Conditional instability - A type of atmospheric instability where the air is stable if it is dry, and unstable if it is saturated.
Conduction - The transfer of sensible heat from a warm object to a cool object through contact.
The values of the temperatures and dew point temperatures at stations ahead of the front are close together, meaning the air is nearly saturated.
The temperature at which the air, cooled at constant pressure, becomes saturated with water vapour.
Diffraction ...
These clouds can form due to orography, a saturated PBL (with low level fog and/or stratus building under a middle level inversion), or lifting mechanisms within the region of high pressure (WAA, moisture advection).
Dew point: (or dew point temperature)The temperature to which air must be cooled at constant pressure and constant water vapor content to become saturated.
Diffraction: The process by which radiation changes direction and spreads out.
Convective Condensation Level(abbrev. CCL)- The level in the atmosphere to which an air parcel, if heated from below, will rise dry adiabatically, without becoming colder than its environment just before the parcel becomes saturated.
RELATIVE HUMIDITY: The amount of water vapor in the air, compared to the amount the air could hold if it was totally saturated. (Expressed as a percentage).
As a cold, dry air mass moves over the Great Lakes regions, the air picks up lots of moisture from the Great Lakes. This saturated air later dumps its water content (in the form of snow, of course!) over areas surrounding the lakes.
Relative humidity: the ratio of the actual water vapor pressure at a given time to the vapor pressure that would occur if the air were saturated at the same ambient temperature.
The pressure is sufficiently low that the air becomes saturated, and the funnel is now visible in the condensed water.
Lifting Condensation Level - The height at which rising air that is cooling at the dry adiabatic rate becomes saturated and condensation begins.
ABSOLUTE INSTABILITY
When the lapse rate of a column of air is greater than the dry adiabatic lapse rate. The term absolute is used because this applies whether or not the air is dry or saturated.
Related term: instability ...
Relative Humidity- the amount of water vapor in the air as compared to the percent of the amount of water vapor it would take to saturate the air.
CONVECTIVE CONDENSATION LEVEL (CCL) The height at which a parcel of air, if heated sufficiently from below, will rise adiabatically until it is just saturated.
the air can't hold any more moisture - its actual moisture content is equal to its moisture capacity for that temperature
dew point: the temperature at which the air is saturated for a given actual moisture content ...
 See also: Air, Water, Temperature, Surface, Pressure
|
