· Temperature is the heat of both air and sea.
· Measured by the thermometer.
· Expressed in degrees (C or F)
· Visually presented on maps as isotherms or lines joining points of equal temperature.
· Wind is the surface movement of the air.
· Speed and direction of the wind are measured by anemometer and wind vane respectively.
· Visually presented on weather maps by speed and direction symbols.
· A cloud is an aerosol consisting of a visible mass of minute liquid droplets, frozen crystals, or other particles suspended in the atmosphere of a planetary body or similar space.
· There are different types of clouds.
· Meteorologists describe the atmospheric pressure by how high the mercury rises.
· An atmosphere (atm) is a unit of measurement equal to the average air pressure at sea level at a temperature of 15 degrees Celsius (59 degrees Fahrenheit).
· One atmosphere is 1,013 millibars or 760 millimeters (29.92 inches) of mercury.
· Humidity is the amount of water vapor in the air.
· If there is a lot of water vapor in the air, the humidity will be high.
· The higher the humidity, the wetter it feels outside.
· On the weather reports, humidity is usually explained as relative humidity.
• In meteorology, precipitation is any form of water that falls from the sky as part of the weather to the ground. This includes snow, rain, sleet, freezing rain, hail, and virga.
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