The line where two region of air collides is called a weather front. They usually have different temperatures but the pressures are similar.
A line through many points with the same air temperatureis an "isotherm".The "isobar" is a line through many points with the same air pressure.
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== == == == J S Air line== ==
the big line is the suction for the the compressor in the A/C unit, The small line is the compressor discharge that goes to the furnace
The measurement of the grams of water in a kilogram of air is called specific humidity.
Air masses or weather front is when two regions of air are colliding and they have different temperatures and pressures are similar.
When two air masses collide, it is called a front.
A front
A front
A front
Regions of cold heavy air are called highs. As cool air moves under warm air, the warm air is pushed upward.
Stationary Front
It makes a weather front.
When two different air masses collide they form a cloud.
The line that seperates one air mass from another is called a boundary.
Doldrums
They're called a lot of things, actually. You can buy them at the website below.