In meteorology, an air mass is a volume of air defined by its temperature and humidity. Air masses cover many hundreds or thousands of square miles, and...

In astronomy, air mass or airmass is a measure of the amount of air along the line of sight when observing a star or other celestial source from below...

A mass (air) flow sensor (MAF) is a sensor used to determine the mass flow rate of air entering a fuel-injected internal combustion engine. The air mass...

The air mass coefficient defines the direct optical path length through the Earth's atmosphere, expressed as a ratio relative to the path length vertically...

Look up air mass or airmass in Wiktionary, the free dictionary. Air mass or airmass may refer to: Air mass (meteorology), a volume of air defined by its...

An air-mass thunderstorm, also called an "ordinary", "single cell", "isolated" or "garden variety" thunderstorm, is a thunderstorm that is generally weak...

Mass is an intrinsic property of a body. It was traditionally believed to be related to the quantity of matter in a body, until the discovery of the atom...

Ocean, which are brought into the country by the (maritime tropical) MT air mass, a warm moist sea-to-land seasonal wind. Its warmth and high humidity gives...

Carbon: mass of air mass of C = 4.773 × 28.96 12.01 = 11.51 Hydrogen: mass of air mass of H = 1 4 ( 4.773 ) × 28.96 1.008 = 34.28 Sulfur: mass of air mass of...

control unit (ECU). The data is used to calculate air density and determine the engine's air mass flow rate, which in turn determines the required fuel...

a buoyant force that does not require movement through the surrounding air mass, resulting in VTOL ability. This contrasts with the heavy aerodynes that...

A marine layer is an air mass that develops over the surface of a large body of water, such as an ocean or large lake, in the presence of a temperature...

quasi-stationary front) is a weather front or transition zone between two air masses when each air mass is advancing into the other at speeds less than 5 knots (about...

difference between the temperature at the boundary of the hot air mass and the cool air mass at that time and an extension of the Bermuda High sitting over...

industrial air pollution. The average molecular weight of dry air, which can be used to calculate densities or to convert between mole fraction and mass fraction...

In meteorology, a cyclone (/ˈsaɪ.kloʊn/) is a large air mass that rotates around a strong center of low atmospheric pressure, counterclockwise in the Northern...

lift occurs when an air mass is forced from a low elevation to a higher elevation as it moves over rising terrain.: 162  As the air mass gains altitude it...

occlusion, the cold air mass that overtakes the warm air mass ahead is colder than the cool air at the very front and plows under both air masses, and often...

expressed as either mass of water vapor per volume of moist air (in grams per cubic meter) or as mass of water vapor per mass of dry air (usually in grams...

injected accordingly. In modern systems, an air-mass meter that is built into the throttle body meters the air mass, and sends a signal to the engine control...

density discontinuity located at the leading edge of a homogeneous warm air mass, and is typically located on the equator-facing edge of an isotherm gradient...

"westerly" jet stream lets air masses from temperate and subarctic latitudes clash. When a coastal Chinook comes in when an Arctic air mass is holding steady over...

classification include methods based on the relative frequency of different air mass types or locations within synoptic weather disturbances. Examples of empiric...

the air is colder near the surface of the Earth. This can occur when, for example, a warmer, less-dense air mass moves over a cooler, denser air mass. This...

result of sharp air-mass changes within a single day. The 1916 event was an extreme temperature drop, resulting from frigid Arctic air from Canada invading...

any and stable air mass. Spissatus (Spi) "Dense": Thick cirriform (Ci spi) with a grey appearance; indicates some upward movement of air in the upper troposphere...

the air mass in the neck of the resonator, acting analogously to a mass on a spring. When external forces, such as airflow, disturb this air mass, it...

the sun in a stable air mass. If the morning skies are of an orange-red glow, it signifies a high-pressure air mass with stable air trapping particles...

adjustment (42° variance from crankshaft) aspiration hot-film air mass meter incorporated into air filter housing, cast alloy throttle body with electronically...

or drizzle which freezes on contact with a surface within a subfreezing air mass gains the preceding adjective "freezing", becoming the known freezing rain...