air mass

Definitions

  • WordNet 3.6
    • n air mass a large body of air with uniform characteristics horizontally
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Usage

In literature:

In forming the heap care was taken to keep the mass porous, so as to admit of the free access of air.
"Manures and the principles of manuring" by Charles Morton Aikman
It is an irregular angular mass of iron, though all its edges seem to have been rounded by fusion in its transit through the air.
"The Story of the Heavens" by Robert Stawell Ball
He teamed up with a meteorologist to explain the distribution of rainfall in spite of lack of frigid and torrid air masses.
"Eight Keys to Eden" by Mark Irvin Clifton
A quarter of a mile to my right a deafening explosion was accompanied by a mass of debris thrown high in the air.
"The Fight for the Argonne" by William Benjamin West
Soon afterwards a torrent of lava poured from the crater, and red-hot masses of rock were projected into the air.
"Etna" by G. F. Rodwell
The air was sultry, and huge masses of cloud were piling up, ominous of a storm before long.
"The Red Symbol" by John Ironside
When there is a dominant continental air mass, it spills cold air onto the lowland areas.
"Area Handbook for Albania" by Eugene K. Keefe
There was a heat in the air as from an oven door, coming from that mysterious mass on mass.
"Toilers of the Sea" by Victor Hugo
When the sun rose higher Elise saw before her, half floating in the air, great masses of ice, with shining glaciers on the heights.
"Favorite Fairy Tales" by Various
Momentarily the flying car rocked under the buffeting of the disturbed air masses, then it steadied down again.
"The Golden Amazons of Venus" by John Murray Reynolds
Low dense clouds were massed overhead and the air was gusty with flurries of humid wind.
"Monsoons of Death" by Gerald Vance
The Stara Planina marks the lower limits of the area in which continental air masses circulate freely in typical circumstances.
"Area Handbook for Bulgaria" by Eugene K. Keefe, Violeta D. Baluyut, William Giloane, Anne K. Long, James M. Moore, and Neda A. Walpole
Volumes of water shot to tremendous heights, became detached from the main mass, and floated in the air for a time in liquid globes.
"The Goddess of Atvatabar" by William R. Bradshaw
It was the pent-up air forced by the increasing mass of water to find an escape, blowing down the screens and bulkheads.
"The Ruined Cities of Zululand" by Hugh Mulleneux Walmsley
Assegais gleamed in the air, first bright, then red, and in a second nothing was left but a shapeless and mangled mass.
"John Ames, Native Commissioner" by Bertram Mitford
As the liquid masses approach one another, the intervening air has to be squeezed out.
"Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3" by Various
Through the darkness could be seen the white waves, rolling in broken, angry masses across the ledge, and sending the spray high in air.
"No Moss" by Harry Castlemon
A hundred yards from the struggling mass of frightened cattle, Brockway saw that the air-brake was not holding.
"A Romance in Transit" by Francis Lynde
Commissioner Lin, still with that exasperatingly thorough air, mixed the masses of opium with lime and emptied it into the sea.
"Drugging a Nation" by Samuel Merwin
The air was dark with the falling masses of snow.
"Regina or the Sins of the Fathers" by Hermann Sudermann
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In poetry:

Tang of fruitage in the air;
Red boughs bursting everywhere;
Shimmering of seeded grass;
Hooded gentians all a'mass.
"Late September" by Amy Lowell
From rock to rock, with giant-bound,
High on their iron poles they pass;
Mute, lest the air, convuls'd by sound,
Rend from above a frozen mass.
"The Alps at Day-break" by Samuel Rogers
Heaped in raven loops and masses
Over temples smooth and fair,
Have you marked it, as she passes,
Gleam and shadow mingled there,--
Braided strands of midnight air,--
Helen's hair?
"Helen" by Madison Julius Cawein
The the precious hours on sunday-coming home from early Mass,
While the air's all hushed and holy, and the dew's still on the grass,
Sitting reverent and silent, what a blessed time it is:
We are near to Heaven then, in the Old Tin Liz.
"Old Tin Liz" by Alice Guerin Crist
Then Captain Norton's battery planted shells amongst the densest mass,
Determined with shot and shell the enemy to harass;
Then carne the shock of the rebels against the British square,
While the fiendish shouts of the Arabs did rend the air.
"The Battle of Abu Klea" by William Topaz McGonagall
There was not sound between those breathless hills.
Only the dim Sun hung there, nothing moved;
The thronged, massed, crowded multitude of leaves
Hung like dumb tongues that loll and gasp for air:
The grass was thick and still, between the trees.
"Silence" by Walter James Turner

In news:

Mass transportation disrupted in the Lehigh Valley, SE Pa. Hurricane Sandy is wreaking havoc on mass transportation on the roads and in the air.
(Unisys Weather) A frigid Arctic air mass, unusual even by Alaska standards, is dropping the mercury in the state's interior to unheard of levels in mid-November.
Those people hoping to attend next year's open air papal Mass in Brazil will have to be in good physical condition.
(AP) — Hundreds of balloons have taken to the skies above Albuquerque in a mass launch at the annual hot-air balloon festival.
ALBUQUERQUE, N.M.—Hundreds of balloons took to the sky above Albuquerque on Sunday in a flawless mass launch at the annual hot-air balloon festival.
NORTHERLY WINDS WILL CONTINUE TO DECREASE THIS AFTERNOON AND SURFACE HIGH PRESSURE WILL BUILD ACROSS SOUTH CENTRAL TEXAS THE DRY AIR MASS COMBINED WITH LIGHT WINDS AND CLEAR SKIES OVERNIGHT WILL RESULT IN TEMPERATURES FALLING BELOW FREEZING .
A frigid Canadian air mass will be moving southward in the wake of deep upper trough (see map).
(StormVistaWxModels.com and NOAA) A summertime air mass has returned to the region and a cold front lurks not far to the north.
The best bet to see a mass rising of hot air balloons may be this morning or Sunday morning, according to the National Weather Service.
Fronts & air masses .
Pope To Officiate Open-Air Mass In Cuban Capital.
Tight security for pope's open-air Mass on last day of visit to Lebanon.
A call has been sent forth to air-travellers nationwide to opt -out of backscatter body scanners en masse on November 24th, the day before Thanksgiving, in protest of TSA policy.
Once upon a time, when major news events were chronicled strictly by professionals and printed on paper or transmitted through the air by the few for the masses, protesters were prime makers of.
A Navy sailor and active-duty Air Force reservist were among the 12 people killed in the Aurora, Colo. Mass shooting early Friday.
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In science:

In addition to this circulation anomaly, the method finds anoth er pattern that occurs less often; EAF2 corresponds to an easterly flow regime bringing warm dry continental air masses to the Netherlands.
Extreme Associated Functions: Optimally Linking Local Extremes to Large-scale Atmospheric Circulation Structures
Vapor density measures the amount of water vapor in a volume of air in units of mass per unit volume.
A Review of Accelerated Test Models
The essential problem for calibration of large air shower arrays is that reconstruction of the energy and mass of the primary cosmic-rays they are designed to measure depends on extrapolation of properties of hadronic interactions into regions inaccessible at accelerators.
RICAP-07: Summary comments
Directions with strong magnetic field correspond to large ZA and the sensitivity of an IACT changes as a function of the ZA as a result of changing shower image characteristics due to increasing air mass with increasing ZA .
Monte Carlo Studies of Geomagnetic Field Effects on the Imaging Air Cherenkov Technique for the MAGIC Telescope Site
BL thicknesses are determined largely by diffusive processes, it cannot be ruled out that a mixture like air (where both mass diffusion and heat diffusion play a role and where marginal stability depends both on concentration and temperature gradients) might in this respect behave differently from a pure fluid.
Large scale dynamics in turbulent Rayleigh-Benard convection
Figure 1 shows the cumulative probability distributions for each site for DIMM and MASS seeing, MASS isoplanatic angle, night-time air temperature at 2 m above the ground and night-time wind speed at 7 m.
Thirty Meter Telescope Site Testing I: Overview
The monthly median values of the DIMM and MASS seeing, MASS isoplanatic angle, nighttime air temperature and nighttime wind speed at 2 m are given in Fig. 2.
Thirty Meter Telescope Site Testing I: Overview
V band (AV = 0.2 mag/air mass) has been taken into account.
Testing tests on AGN microvariability
For the most reliable differential photometry, at least in the most blue optical bands, quasars should be compared preferable with either nearby white dwarf stars or Main Sequence bluish stars to avoid color effects that may arise at different air-masses.
Testing tests on AGN microvariability
Although the effect of observing objects with moderate color differences at low air-masses is negligible in broad band studies, red giant stars should be avoided in differential optical photometry of quasars.
Testing tests on AGN microvariability
Using the atmosphere as the detector volume, the air showers can be recorded and used to reconstruct the energies, arrival directions, and nuclear mass composition of primary cosmic ray particles.
A Study of the Effect of Molecular and Aerosol Conditions in the Atmosphere on Air Fluorescence Measurements at the Pierre Auger Observatory
By observing the UV light from air showers, it is possible to estimate the energies of individual cosmic rays, as well as the average mass of a cosmic ray data set.
A Study of the Effect of Molecular and Aerosol Conditions in the Atmosphere on Air Fluorescence Measurements at the Pierre Auger Observatory
The extrapolation to higher energies relies on the validity of the Constant Intensity Cut (CIC) method for Auger, and Monte Carlo air shower simulation for TA, both of which require independent experimental verification. – Mass Composition: The mass composition plays a key role in distinguishing different models.
Measurement of Ultra-High Energy Cosmic Rays: An Experimental Summary and Prospects
The signal from the atmosphere is determined by scanning the radiometer beam through various zenith angles and thus varying the air mass observed and the data are then constrained by continuity and comparison to an atmospheric model.
The Cosmic Microwave Background Spectrum
In the superposition model of air showers, the shower development of nuclei with mass A and energy E0 is described by the sum of A proton showers of energy E = E0 /A.
A review of experimental results at the knee
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