A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Facts about Rain

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On average, raindrops are one to two mm in diameter.

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The shape of raindrops was studied by Philipp Lenard in 1898.

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Almost every day in the winter the Greater Vancouver Area is plummeted by rain.

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The biggest raindrops on Earth were recorded over Brazil and the Marshall Islands in 2004—some of them were as large as ten mm.

image: uw.edu
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Areas along the western coasts (including those in Ireland) can receive between 40 inches (sea-level) and 100 inches (mountains) of rain per year.

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gutters and storm drains that lead rains to sewers.

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The source of this scent is petrichor, an oil produced by plants, then absorbed by rocks and soil, and later released into the air during rainfall.

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Falling raindrops are often depicted in cartoons or anime as "teardrop-shaped"—round at the bottom and narrowing towards the top—but this is incorrect.

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The reputation is partly deserved because of the frequency of rain driven into the country by the south-western trade winds following the warm gulf stream currents.

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At sea level and without wind, 0.5 mm rain drizzle impacts at about two m/s, while large five mm drops impact at around nine m/s.

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The scientific explanation of how rain forms and falls is called the Bergeron process.

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Rain is hated in Vancouver by many residents, though they still tend to live there because the sky is usually sunny during the Summer.

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Melbourne, Australia has a similar reputation, in comparison to Sydney, Australia—however, Sydney receives an average of 43.1 inches (1094 mm) of rain per year compared to Melbourne's 21.4 inches (544 mm).

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Rain is said to be heavier immediately after a bolt of lightning.

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The fine particulate matter produced by car exhaust and other human sources of pollution form cloud condensation nuclei, leading to the production of clouds and increasing the likelihood of rain.

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Many people also prefer to stay inside on rainy days, especially in tropical climates where rain is usually accompanied by thunderstorms or when rain is extremely heavy (monsoon).

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Many people find the scent during and immediately after rain especially pleasant or distinctive.

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Cultural attitudes towards rain differ across the world.

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All plants need at least some water to survive, therefore rain (being the most effective means of watering) is important to agriculture.

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One city that is known for rain is Seattle, Washington, United States.

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Seattle's average rainfall is 37.1 inches (942 mm) per year, less than New York City with 46.2 inches (1173 mm), but has 201 cloudy days per year (compared to 152 in New York).

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Rain may be harvested, though rainwater is rarely pure (as acid rain occurs naturally), or used as greywater.

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Rain is common in the winter, but mostly the climate is cloudy with little rain.

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A country noted for its rainy nature is the United Kingdom.

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Rain forms when separate drops of water fall to the Earth's surface from clouds.

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Rain is a form of precipitation—other forms of which include snow, sleet, and hail.

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Vancouver, British Columbia could be considered the world's capital of rain, despite having some snow during special periods, receiving as much as 40 mm at one time.

image: i.cbc.ca
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Rain can also and always will be to some people very depressing due to bleak clouds.

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Raindrops impact at their terminal velocity, which is greater for larger drops.

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Precipitation, especially rain, has a dramatic effect on agriculture.

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Rain below pH 5.6 is considered acid rain.

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Excessive rain, particularly after a dry period has hardened the soil so that it cannot absorb water, can cause floods.

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Plants need varying amounts of rainfall to survive.

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The amount of rainfall is measured using a rain gauge.

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Light, or sometimes heavy rain is sometimes also seen as romantic.

image: i.ytimg.com

Seattle, Washington, gets 37 inches of rain per year. The US average is 39. Snowfall is 5 inches. The average US city gets 26 inches of snow per year.

The oceans are the chief source of rain, but lakes and rivers also contribute to it. The Sun's heat evaporates the water. It remains in the atmosphere as an invisible vapor until it condenses, first into clouds and then into raindrops. Condensation happens when the air is cooled.

Rainfall: rainforests receive at least 80 inches (200 cm) of rain per year. Canopy: rainforests have a canopy, which is the layer of branches and leaves formed by closely spaced rainforest trees [picture]. Most of the plants and animals in the rainforest live in the canopy.

Rainforests are often called the lungs of the planet for their role in absorbing carbon dioxide, a greenhouse gas, and producing oxygen, upon which all animals depend for survival. Rainforests also stabilize climate, house incredible amounts of plants and wildlife, and produce nourishing rainfall all around the planet.

It may not rain cats and dogs, but sometimes it rains tadpoles and tiny fish. ... Rain is liquid precipitation: water falling from the sky. Raindrops fall to Earth when clouds become saturated, or filled, with water droplets. Millions of water droplets bump into each other as they gather in a cloud.May 12, 2011

One way that the atmosphere can become unstable is by heating from the sun. The ground warms up, causing moisture in the ground to evaporate and rise, and the hot ground also heats the air above it. As the water vapour rises, it cools and condenses into clouds and eventually rain.Oct 22, 2017

There are 3 main types of rainfall: relief, frontal and convectional. Describe each and give conditions when the occur. (10 marks) Relief rainfall occurs when air has been blown over the sea and is then forced up over an area of high land.

Here are the three main types of rainfall:Relief Rainfall.Convectional Rainfall.Frontal Rainfall.

The sun heats the ground and warm air rises. As the air rises it cools and water vapour condenses to form clouds. When the condensation point is reached large cumulonimbus clouds are formed. Heavy rain storms occur.

Insects are also more likely to be out flying near the surface of the water during or immediately following a light rain, which will bring fish closer to the surface and make them more susceptible to being caught. Rain can also cause more organic matter to run into bodies of water and lure fish to the surface to eat.

Average precipitation per season is 4.5 inches. The type of precipitation that falls in this climate is mostly snow in the winter, and in the summer it is rain, with occasional snow. The latitude range for the tundra is from the arctic circle to 60° to 70° latitude North.

Epiphytic ferns are one of the most common features in rainforests. They grow on the trunks and limbs of trees but unlike parasitic plants such as mistletoe, do not steal nutrients from their host tree. They survive instead on rainwater and the nutrients they get from trapped fallen leaves.

However, unlike many other U.S. cities, Seattle has many more "rain days", when a very light drizzle falls from the sky for many days. In an average year, at least 0.01 inches (0.25 mm) of precipitation falls on 150 days, more than nearly all U.S. cities east of the Rocky Mountains.