Atsc 110 test 2 - Study guides, Class notes & Summaries

ATSC 110 Test 2 Questions and Answers All Correct What is an unstable atmosphere? - Answer- When a parcel of air remains warmer than the surrounding air while being lifted, we say the air is unstable. In other words, when the environmental lapse rate is greater than the dry lapse rate (10°C/km) the atmosphere is absolutely unstable. What conditions cause an unstable atmosphere? - Answer- The environmental lapse rate is large (steep) when unstable conditions prevail. In other words the d...

ATSC 110 Test 3 Questions with All Correct Answers What cause wind gusts? - Answer- -near the surface, wind flows over the irregular landscape and objects -wind breaks into a series of irregular, twisting eddies that can influence the air flow for hundreds of meters above the surface -within each eddy, the wind speed and direction fluctuate rapidly producing the irregular air motion known as "wind gusts" What is the height of the 'planetary boundary' or 'friction' laye...