GPHY 102 Lecture Notes - Lecture 8: Cumulonimbus Cloud, Nipple, Supercooling

• School: Queen's University
• Department: Geography
• Course: GPHY 102
• Professor: Ryan K Danby

Document Summary

Dry rate: we have no reached the dew point yet. Precipitation: doesn"t always reach the ground, can get pulled back up into the clouds and get "recycled" Objectives: examine the hydrologic cycle, evaluate the measurement of humidity, understand the nature and role of adiabatic processes, describe cloud types and the development of precipitation. Hydrosphere: includes water in all it"s forms. Dew point: temperature at which water vapour condenses into liquid. Relative humidity: most common way of discussing humidity, measured as an amount of water vapour in the air relative to the amount air could hold at any temperature (%, undergoes a daily cycle that follows air temperature. Adiabatic process: heating and cooling process that occurs as a result of pressure change. Dry adiabatic rate: rate at which dry air cools as it rises and expands in the atmosphere, fixed rate of 10oc per 1000 meters, the dry rate refers to the fact that condensation has not occurred.