WX 201 Exam 2 (Using Study Guide) Questions and Answers

WX 201 Exam 2 (Using Study Guide) Questions and Answers What is the dry adiabatic lapse rate? - Answer-10 degrees Celsius/km (Unsaturated) What is the moist adiabatic lapse rate? - Answer-6 degrees Celsius/km (Saturated) At what rate does the dew point cool with height? - Answer-Cool at 2 °C per 1,000 meters What is absolutely stable? - Answer-When the environmental lapse rate is less than the moist adiabatic rate What is absolutely unstable? - Answer-When the environmental lapse rate is greater than the dry adiabatic lapse rate What is conditionally unstable? - Answer-When the environmental lapse rate is in between the moist adiabatic lapse rate and the dry adiabatic lapse rate. If rising air is unsaturated the atmosphere is? - Answer-Stable If rising air is saturated the atmosphere is? - Answer-Unstable What are the 4 lifting mechanisms for clouds? - Answer-Convergence Fronts Terrain Convection How to make the environment more stable? When is it most stable? - Answer-Warm over cool In the morning How to make the environmental more unstable? When is it most unstable? - Answer-Cool over warm In the afternoon altimeter - Answer-aneroid barometer that measure pressure, but are calibrated to indicate altitude. sea level pressure - Answer-The atmospheric pressure at mean sea level. What is a pressure gradient? - Answer-the amount of pressure change occurring over a given distance What is the Coriolis force? - Answer-Coriolis force is the force that acts perpendicular to the movement of a mass moving in a rotating system. It deflects objects in the Northern Hemisphere to the right.