what are the three main precipitation?

Question

how does it form?
how does it occur?
how does it happen?

Answer 1

Free Encyclopedias :: Science Encyclopedia :: Science Encyclopedia Vol 5
Precipitation - Types Of Precipitation, Formation Of Precipitation, Precipitation Formation In Warm Clouds, Precipitation Formation In Cold Clouds - Human influences on precipitation

In meteorology, precipitation is water in either solid or liquid form that falls in Earth's atmosphere. Major forms of precipitation include rain, snow, and hail. When air is lifted in the atmosphere, it expands and cools. Cool air cannot hold as much water in vapor form as warm air, and the condensation of vapor into droplets or ice crystals may eventually occur. If these droplets or crystals continue to grow to large sizes, they will eventually be heavy enough to fall to Earth's surface.

Human influences on precipitation

Precipitation is obviously important to humankind as a source of drinking water and for agriculture. It cleanses the air and maintains the levels of lakes, rivers, and oceans, which are sources of food and recreation. Interestingly, human activity may influence precipitation in a number of ways, some of which are intentional, and some of which are quite unintentional. These are discussed below.

Precipitation - Types Of Precipitation
Precipitation - Formation Of Precipitation
Precipitation - Precipitation Formation In Warm Clouds
Precipitation - Precipitation Formation In Cold Clouds
Precipitation - Measurement Of Precipitation
Precipitation - Hydrologic Cycle
Precipitation - Cloud Seeding
Precipitation - Acid Rain
Precipitation - Greenhouse Effect
Precipitation - Effects Of Particulate Pollution On Cloud Microphysics
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Precipitation - Types Of Precipitation, Formation Of Precipitation, Precipitation Formation In Warm Clouds, Precipitation Formation In Cold Clouds - Human influences on precipitation
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6 months ago

yolanda roan eagle

i think precipitation is agood thing in life to juss watch when it is raining or sumthing.
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Answer 2

i think of AGW is death because of fact it replaced into of each and every of the defective technological know-how invovled. there is no reason to beelive the temps will develop with the aid of 7 ranges. neither is there any reason to have self assurance that the seas will upward thrust with the aid of 20 meters. those are in basic terms justified with the aid of comp fashions. those comp fashions are broken and defective. Any laptop style designed to style some thing as chaotic as climate without an know-how of a few thing as severe because of fact the end results of clouds, is going to deliver approximately undesirable consequences. The .86 degree develop for the duration of the final a hundred years and the two mm/year upward thrust in sea stages do no longer submit to out the terror that the politicians have tried to instill. Now guy could be inflicting a upward thrust, yet no longer something close to what's stated with the aid of the Al Gore's of the worldwide. the genuine problem, is that there are various good issues shall we be engaged on. Take this plan working example: adjust the style of packaging allowed for products ensuring that they are actual recyclable. this could make recycling greater worthwhile, shrink the fee of recycled textile, whilst inflicting an quite minor (if any) develop in the fee of the packaging. this additionally will a great deal shrink the quantity of trash being dumped into the floor. it fairly is a win-win answer that would not have a adverse effect on the financial equipment. it would take 10 years to absolutely enforce with little or no opposition from the two part. Why has this no longer been tried? Is it because of fact we are busy debating costs and treaties that have little possibility to make any noticable distinction? Is it because of fact the great companies like GE won't stand to make a extensive money in on such endeavors? What do you think of?

Answer 3

Condensation

Precipitation begins forming when warm, moist air rises. As the air cools, water vapor begins to condense on condensation nuclei, forming clouds. After the water droplets grow large enough, two processes can occur to form precipitation.

[edit] Coalescence

Coalescence occurs when water droplets fuse to create larger water droplets, or when water droplets freeze onto an ice crystal. Air resistance typically causes the water droplets in a cloud to remain stationary. When air turbulence occurs, water droplets collide, producing larger droplets. As these larger water droplets descend, coalescence continues, so that drops become heavy enough to overcome air resistance and fall as rain. Coalescence generally happens most often in clouds above freezing.

[edit] Bergeron process

The Bergeron process occurs when ice crystals acquire water molecules from nearby supercooled water droplets. As these ice crystals gain required mass, they begin to fall. This generally acquires more mass than coalescence when occurring between the crystal and neighboring water droplets. This process is temperature dependent, as supercooled water droplets only exist in a cloud that is below freezing. In addition, because of the great temperature differential between cloud and ground level, these ice crystals may melt and become rain as they fall.

Answer 4

http://en.wikipedia.org/wiki/Precipitation_(meteorology)