News

Dear Tom, You have mentioned that the dry adiabatic lapse rate was 5.4 degrees per thousand feet. While flying in the Navy, we used the figure 3.4 degrees, which usually was observed as the outside… ...
Adiabatic lapse rate: The rate at which the temperature decreases in a parcel of air as it is lifted while not exchanging energy with its surroundings. If a cloud is not forming, the parcel cools ...
Dear Tom, What is the “lapse rate”? I have seen that term occasionally. — Fred Manse Dear Fred, When the pressure of dry air changes, its temperature also changes (by “dry air,” the ...
Dear Tom, You have mentioned that the dry adiabatic lapse rate was 5.4 degrees per thousand feet. While flying in the Navy, we used the figure 3.4 degrees, which usually was observed as the ...
Adiabatic cooling is the process that causes the temperature to decrease ... the temperature cools at a rate of 5.5 degrees Fahrenheit every ... This is called the dry/moist adiabatic lapse rate.
Then, the dry adiabatic lapse rates and moist adiabatic lapse rates run at a different angles. Dry adiabats show the rate at which unsaturated air cools as it rises, ...
A note from a viewer in Moline asks about the adiabatic rate of temperature change. It turns out that when dry air (meaning no clouds) changes pressure the temperature also changes. You've had the ...
When dry air (meaning no clouds) changes pressure, it also changes temperature. If you have ever filled a bicycle tire, you may have noticed the more air you pump into ...