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What happens to chance of precipitation as Relative Humidity increases?
As relative humidity increases, the chance of precipitation also tends to increase. This is because higher relative humidity indicates that the air is closer to reaching its saturation point, and clouds are more likely to form and produce precipitation.
When air is cooled what happens to Relative Humidity?
When air is cooled, its relative humidity increases because cooler air has a reduced capacity to hold moisture. This leads to the air becoming more saturated with moisture, causing the relative humidity to rise. If the air reaches 100% relative humidity, condensation or fog may occur.
What happens to relative humidity as the air temperature increases?
As air temperature increases, the capacity of air to hold water vapor also increases. This means that the relative humidity decreases because the air can hold more moisture before reaching saturation.
What happens to relative humidity as a parcel or air rises?
As a parcel of air rises, it expands and cools adiabatically. This cooling causes relative humidity to increase, as the air temperature drops and its capacity to hold moisture decreases. If the air parcel reaches its dew point temperature, the relative humidity will reach 100% and condensation or cloud formation may occur.
What happens to the air temperature dew point temperature and humidity of a descending mass of air?
As a mass of air descends, it experiences higher pressure which leads to compression. This compression warms the air, causing its temperature to increase. Since no moisture is being added or removed, the dew point temperature remains constant. The relative humidity of the descending air mass decreases because its ability to hold moisture increases as it warms up.
