Air mass and dew point question?

Question

Please help me here....I'm at the end of my rope on this question!

When an air mass cools the dew point temperature "blanks"

and

What is the relationship between air temperature and dew point?

if someone can help me on these questions, I'd be so happy.

Thanks so much!

Answer 1

The more the difference between the air temperature and the dew point temperture the less wil be the value of the relative humidity.

If the relative humidity reaches 100 percent(that is when the air is saturated with water vapour),the value of the air temperature and the dew point temperature will be the same.

When an air mass cools, the dew point temperature does not vary.Dew point temperature varies only when the water vapour is removed from air by some means.

If the air mass cools and reaches dew point temperature, condensation of water vapour into water droplets will start.

Answer 2

The air temperature must be greater than or equal to the dew point since the dew point is the temperature to which the air must be cooled for water vapor to condense into water.

When an air mass cools the dew point should remain constant until the temperature of the air reaches the dew point, at which point the water vapor condenses into water.

Answer 3

"falls"

the colder the air the less moisture it can hold and falling temperatures wring out moisture.