Weather


 
 
Concept Explanation
 

Weather

Weather: The state of the atmosphere conditions like temperature, humidity, rainfall, snow, cloud cover, wind etc at a given place and time is called weather of the place at that time. Temperature, humidity, rainfall, snow, cloud cover, wind etc are called weather elements. The characteristics pattern of weather elements in a place over a period of time is called climate of the place.

Weather forecast is a prediction of the weather conditions for a place over a short period of time like the next days. Terms like hot, cold, humid, rainy, cloudy etc. are the factors that are generally mentioned in a weather forecast. A special thermometer called the maximum-minimum thermometer is used to measure the maximum and minimum temperature in a day.

Humidity of the air is measured by an instrument called hygrometer. The amount of rainfall is measured by an instrument called the rain gauge.

Department of Meterology:  This is a government Department. The Meterological Department measures the elements of weather and keeps their record.Meterologists use data from satellites and analyze the data to forecast about the weather.

Role of the Meterologists Department of a Couuntry:  The Meteorological department collects data of temperature, rain wind, etc. and prepares various kinds of weather reports.

  • It also makes the weather prediction.
  • It provides services to aviation sector like fog information.
  • It issues various national and zonal alerts like cyclone, tsunami information, etc.
  • It studies and identifies seismic activities and provides earthquake reports.
  • It helps farmers and agriculture sector by providiing monsoon and rainfall reports.
  • The department also use Satelite data to map patterns of heating and cooling of various regions of  the earth.
  • The most rainfall recorded in one year is 25.4 metres in Cherrapunji, India.
  • The hottest temperature ever recorded on Earth is large 57.8^{circ}C in Al Aziziyah in Libya.
  • Sample Questions
    (More Questions for each concept available in Login)
    Question : 1

    Which option best describes a tropical region?

    Right Option : A
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    Explanation
    Question : 2

    The weather forecast for a week has been shown in the table below.

    Day Max (^0C) Min (^0C) Forecast  
    Sun 36 24 Sunny and hot
    Mon 34 22 Sunny
    Tue 30 20 Dry and Cloudy
    Wed 32 21 Cloudy
    Thurs 27 16 Rain
    Fri 30 20 Light Showers
    Sat

    32

    21 Cloudy

    Based on this information answer the following questions :

    A teacher wants to take out the children for a picnic. Which be the least day for that ?

    Right Option : A
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    Explanation
    Question : 3

    The weather forecast for a week has been shown in the table below.

    Day Max (^0C) Min (^0C) Forecast  
    Sun 36 24 Sunny and hot
    Mon 34 22 Sunny
    Tue 30 20 Dry and Cloudy
    Wed 32 21 Cloudy
    Thrus 27 16 Rain
    Fri 30 20 Light Showers
    Sat

    32

    21 Cloudy

    Based on this information answer the following questions :

    Which day has the least temperature ?

    Right Option : B
    View Explanation
    Explanation
     
     
     


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