Movement
Fronts are generally guided by winds aloft, but do not move as quickly. Cold fronts and occluded fronts in the Northern Hemisphere usually travel from the northwest to southeast, while warm fronts move more poleward with time. In the Northern Hemisphere a warm front moves from southwest to northeast. In the Southern Hemisphere, the reverse is true; a cold front usually moves from southwest to northeast, and a warm front moves from northwest to southeast. Movement is largely caused by the pressure gradient force (horizontal differences in atmospheric pressure) and the Coriolis effect, which is caused by Earth's spinning about its axis. Frontal zones can be slowed down by geographic features like mountains and large bodies of warm water.
Read more about this topic: Weather Front
Famous quotes containing the word movement:
“What new thoughts are suggested by seeing a face of country quite familiar, in the rapid movement of the rail-road car!”
—Ralph Waldo Emerson (1803–1882)
“She had to lean away.
She dared not stir a foot,
Lest movement should provoke
The demon of pursuit
That slumbers in a brute.”
—Robert Frost (1874–1963)
“The preservation of life seems to be rather a slogan than a genuine goal of the anti-abortion forces; what they want is control. Control over behavior: power over women. Women in the anti-choice movement want to share in male power over women, and do so by denying their own womanhood, their own rights and responsibilities.”
—Ursula K. Le Guin (b. 1929)