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Tuesday, June 30, 2015

Weather and climate

Weather is the day to day condition of the atmosphere at a particular place while Climate is a average of weather condition at a particular place over a long period of time

There are several elements that make up the weather and climate of a place.

The major of these elements are five -
  • Temperature
  • Pressure
  • Wind
  • Humidity and
  • Precipitation 

Analysis of these elements can provide the basis for forecasting weather and defining its climate. These same elements make also the basis of climatology study, of course, within a longer time scale rather than it does in meteorology.
  • Temperature is how hot or cold the atmosphere is, how many degrees it is above or below freezing. Temperature is a very important factor in determining the weather, because it influences or controls other elements of the weather, such as precipitation, humidity, clouds and atmospheric pressure.
  • Humidity is the amount of water vapor in the atmosphere.
  • Precipitation is the product of a rapid condensation process (if this process is slow, it only causes cloudy skies). It may include snow, hail, sleet, drizzle, fog, mist and rain.
  • Atmospheric pressure (or air pressure) is the weight of air resting on the earth's surface. Pressure is shown on a weather map, often called synoptic map, with lines called isobars.
  • Wind is the movement of air masses, especially on the Earth's surface.

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