วันเสาร์ที่ 11 สิงหาคม พ.ศ. 2550

Climate and weather.....

Weather is all around us. Weather may be one of the first things you notice after you wake up. Chances are, if it is cold and snowing, you'll wear a jacket when you go outside.
If it's hot and sunny, you may wear shorts.Sounds pretty simple,
right?But what about climate? How is it different from weather?
And what is weather, exactly?

Weather
Weather describes whatever is happening outdoors in a given place at a given time.
Weather is what happens from minute to minute. 2 Cartoons of same house: one in rainstorm and one on sunny day.  The weather can change very quickly from rain to sunshine.
The weather can change a lot within a very short time.
For example, it may rain for an hour and then become sunny and clear.
Weather is what we hear about on the television news every night.
Weather includes daily changes in precipitation,
barometric pressure, temperature, and wind conditions in a given location.
What is your weather like today?

Climate
Climate describes the total of all weather occurring over a period
of years in a given place. This includes average weather conditions,
regular weather sequences (like winter, spring, summer, and fall),
and special weather events (like tornadoes and floods). Climate tells us what it's usually like in the place where you live. San Diego is known as having a mild climate, New Orleans a humid climate, Buffalo a snowy climate, and Seattle a rainy climate. How would you describe the climate where you live?



Cartoon of dinosaurs 65 million years ago to ice age 15000 years ago to present age of modern man.  Climate can change too, but in the past it has taken a very long time to do so.

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