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Transcript of Weather
LEQ Number 1
How does the Sun's energy
What is weather?
Weather is atmospheric conditions at a given time and place.
Deposition in the Water Cycle
Sublimation is the conversion between the solid and the gaseous state of matter, with no intermediate liquid stage.
An example of sublimation is the process of snow and ice changing into water vapor in the air without first melting into water.
The opposite of sublimation is "deposition", where water vapor changes directly into ice—such a snowflakes and frost.
The average amount of energy motion in the molecules of a substance.
The temperature at which condensation begins.
A force that is the result of the weight of a column of air pushing down on an area.
Wind direction and speed
The horizontal movement of air from an area of high pressure to an area of lower pressure.
A measure of the amount of water
vapor in the air.
Any form of water that falls from clouds
and reachs Earth's surface.
The way Earth's rotation makes winds in the Northern Hemisphere curve to the right and the winds in the Southern Hemisphere curve to the left.
Bands of high-speed winds about 10 km above Earth's surface. The movement of air in the jet stream can create low pressure areas where storms can develop and then the jet stream can steer these storms across an area.
High Pressure: air sinks down from above and becomes warm. The air is stable and the weather will be typically dry and free of clouds. Winds blow clockwise and outward.
Low Pressure: Warm air rises from Earth's surface. As the rising air cools, clouds will begin to form. The instability of the air will produce clouds with rain shower. Winds blow counterclockwise and inward.