Rain occurs through the process of coalescence, where a mass of water droplets gathers around cloud condensation nuclei to saturate the atmosphere and allow condensation and precipitation to take place. This process is driven by three primary lifting mechanisms that cause the upward movement of air.Know More
Low atmospheric temperatures and high relative humidity results in air saturation, where clouds begin to thicken and moisture particles fall to the ground as precipitation. Aside from rain, other types of precipitation include snow, sleet, freezing rain, hail and virga, which is a type of rain that vaporizes before it comes into contact with the ground.
Rain is a common meteorological phenomenon that occurs almost everywhere on Earth. The three lifting mechanisms that influence rain formation include frontal lifting, orographic lifting and convective lifting.
Frontal lifting occurs when a warm, less dense air mass meets a cold, denser air mass. The warm air is lifted up over the cold air, causing the warm air to cool down, form clouds that gather vast amounts of water vapor, which eventually fall as frontal rain. Orographic lifting occurs in mountainous regions where moist air rises to overcome the high elevation. The rain that falls via this process is known as orographic rain. Convective lifting is the result of unequal solar heating on the planet's surface. Warm air generally moves up and cold air sinks to the ground. The rising column of air expands, cools down, forms clouds, condenses and falls to the ground as convective rain.Learn more about Rain
Some examples of condensation include the water that gathers on a bathroom mirror after a hot shower and the water that collects on grass as dew. Condensation is the process where gas molecules slow down and come together to form a liquid.Full Answer >
Weathering, both mechanical and chemical, is likely to take place more rapidly in wetter climates. Mechanical and chemical weathering require water to break up rocks into fragments or chemically alter minerals, respectively.Full Answer >
An umbrella goes up when rain comes down. To solve this riddle, the person being questioned has to think about items that rise when rain is falling, aside from natural elements.Full Answer >
Drizzle is defined as liquid drops of precipitation less than 0.02 inches in diameter falling close together, whereas rain is liquid precipitation of greater diameter and spaced further apart. Drizzle falls in amounts of less than 0.03 inches per hour and rain comes down at a rate of 0.04 inches per hour or more.Full Answer >