Weather Fronts. October 24, 2012. High Pressure. cool air gets denser – moves toward the ground pressure increases because more air fills the space pressure in that area is greater than the area surrounding it sunny, dry, and cooler than normal. . H. Low Pressure.
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October 24, 2012
cool air gets denser – moves toward the ground
pressure increases because more air fills the space
pressure in that area is greater than the area surrounding it
sunny, dry, and cooler than normal.
the air is warmed – gets less dense and moves up higher
cloudy, wet, warm, and windy.
a body of air extending hundreds or thousands of miles sideways and sometimes as high as the stratosphere and having nearly the same conditions of temperature and humidity at any single level.
boundaries between two air masses that differ in temperature and humidity.
an advancing edge of a warm air mass
an advancing edge of a cold air mass
a front between warm and cold air masses that is moving very slowly or not at all.
the front formed by a cold front overtaking a warm front and lifting the warm air over the cold air
Cold occlusion – when the coldest air is behind the cold front
Warm occlusion – when the coldest air is ahead of the warm front.