Types of Air Masses and Fronts
If the surface is warm and moist, air in the region becomes warm and moist also. If the air then moves to different regions it takes these properties along, gradually changing in response to the new area. Air masses are designated as cold or warm and moist or dry. It is a boundary between two air masses. The term has its origins analog to military operations as theTypes of Precipitation Formation Processes
Although moisture is always present in the atmosphere but it is condensed only when air is cooled and saturated with some water vapors. Usually mechanism by which air is cooled to cause precipitation is the lifting of air mass. Based on lifting of air carrying vapors, precipitation is classified as follows: Cyclonic precipitation Convective precipitation Orographic precipitationSources of Error in Measuring Precipitation
Some water is used to wet the surface of instrument. The rain recorded may be less than the actual rainfall due to the direction of the rainfall as affected by wind. Dents in the collector and tube may also cause error.Types of Precipitation Based on Lifting Mechanism
Although moisture is always present in the atmosphere but it is condensed only when air is cooled and saturated with some water vapors. Usually mechanism by which air is cooled to cause precipitation is the lifting of air mass. Precipitation is often classified according to the factor responsible for lifting of air to higher altitudes. Following are the various types ofFactors Affecting Precipitation Formation
Following are the factors mainly responsible for the formation of precipitation....A lifting mechanism to produce cooling of the air. A mechanism to produce condensation of water vapors and formation of cloud droplets. A mechanism to produce growth of cloud droplets to size capable of falling to the ground against the lifting force of air. When air ascends from near thePrecipitation And Factors Affecting Precipitation
It is defined as the fall of moisture from the atmosphere to the earth surface in any physical form. Usually precipitation is in two forms: Liquid - rainfall Solid PrecipitationHow Precipitation Occurs
Precipitation takes place when a body of moisture cools sufficiently for it to become saturated in water droplets and ice crystals, upon condensation. Air may be cooled in a number of ways i.e. By meeting of air masses of different temperature. By coming into contact with a cold object such as ground (mountains). The most important mechanism is uplift of air, as airHow to Measure Rainfall / Precipitation
All the forms of precipitation are measure on the basis of vertical depth of water that would accumulate on a level surface of precipitation remained where it fell. In metric system precipitation is measure in millimeters and tenths. Any open receptacle with vertical side can be used as a gauges for measuring rainfall. These refined receptacles with vertical side can be
