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Weather

Weather. What is weather?. Weather is a state of the atmosphere (troposphere) at a specific time and place, determined by factors including: Air pressure Humidity Temperature wind. Humidity. The amount of moisture in the air. How much water is there in the air?. Relative Humidity.

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Weather

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  1. Weather

  2. What is weather? • Weather is a state of the atmosphere (troposphere) at a specific time and place, determined by factors including: • Air pressure • Humidity • Temperature • wind

  3. Humidity • The amount of moisture in the air. • How much water is there in the air?

  4. Relative Humidity • The amount of moisture in the air compared with the amount it can hold • Measured in percent from 0 to 100% • (Humidity / Amount it can hold) x 100

  5. Dew Point • The temperature at which the air is saturated (100%) and condensation forms. • Example: water on the side of your pop can.

  6. Fog • A cloud that is formed when air is cooled and it’s dew point is near the ground

  7. Temperature • The average kinetic energy.

  8. Evaporation • When water changes from liquid to gas.

  9. Condensation • When water changes from gas to liquid

  10. Precipitation • Water falling from clouds. • Includes: • Rain • Sleet • Hail • Snow • When clouds become saturated

  11. Clouds • Condensation of water in the atmosphere

  12. Barometric Pressure • The force of air molecules pushing down

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