1. What is relative humidity? 2. What is the relationship between relative humidity and air temperature? 3. What is the dew point and what do we use it for?
Introduction:
The relative humidity is a way of describing how much humidity is present in the air, compared to how much there could be. Meteorologists often use relative humidity as a measurement to describe the weather at various places. When the temperature is warm, more water vapor can be in the air than when it is cold. If the actual amount of vapor is compared to the total amount there could be as a fraction, then the number tells if the air feels dry or moist. The value is usually written in percent, where 0% means that the air is totally dry, and 100% means that it is so moist that mist or dew is about to form. When the temperature is lowered to the dew point, relative humidity becomes 100% and the water vapor condenses, making precipitation as dew, rain, or snow (etc.).
Objectives:
- To define and understand relative humidity and the relationship between air temperature and relative humidity.
Assignment: Watch the following videos and take good notes. Then upload a one-page, double-spaced, typed paper answering the following questions: 1. What is relative humidity? 2. What is the relationship between relative humidity and air temperature? 3. What is the dew point and what do we use it for?
https://www.youtube.com/watch?v=OZh9ksAy9kc
https://www.youtube.com/watch?v=OiejHVHrdOo
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