Weather Instruments, Maps and Charts
Weather forecasts are very useful as they help us to take safety measures in advance in case of the likelihood of the bad weather, viz; storms, gales and heavy downpours. Farmers can save their crops from bad weather if they are told about it in advance. Weather forecasting is very essential for crewmen of ships and aeroplanes because bad weather hampers their work and often leads to serious accidents. Fishermen living in coastal areas depend much on weather forecasts because a sea storm can be dangerous to their lives.
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Describe the various weather symbols used in weather maps.
Which meteorological symbols are used to mark the following on a weather map (1) Rain, (2) Mist, (3) Sunshine, (4) Lightning, (5) Overcast sky.
(1) Continuous record of the atomospheric pressure, (2) Direction of the wind. (3) The velocity of wind. (4) Humidity in the air. () Maximum and minimum temperature for given period, (6) The amount of rainfall.
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