Moisture
Humidity Moisture content of the atmosphere Relative Humidity ? the percentage of saturation of the air. 50% humidity means that the air is holding half of the water it is capable of holding 100% humidity is when the air is holding all of the water vapor it can possibly hold ? air is fully saturated and probably precipitating This represents a parcel of air 20 ?C 0 ?C 10 ?C This is moisture 20 ?C HOW FULL IS IT? How could this air mass become 100% full? 10 ?C 0 ?C 20 ?C Drop its temp! What are two ways that nature changes R.H.? What is the Dew Point Temperature? The temperature to which the air mass must drop down to so that R.H is 100% At this point the air is said to be SATURATED