News tagged with rainfall

Related topics: tropical rainfall , maximum sustained winds , tropical cyclones , tropical storm , climate change

Skin allergies can flare up in summer heat

(HealthDay)—Summer can be a particularly bad time for skin allergies such as eczema and hives, as well as reactions to poison ivy, oak and sumac, an expert says.

Aug 18, 2013
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Does the sea pose a risk to our health?

A new study has discovered viruses in almost 40 % of more than 1,400 bathing water samples collected from coastal and inland areas in 9 European countries. The findings, presented in the journal Water Research, sugges ...

Jul 13, 2011
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Rain

Rain is liquid precipitation. On Earth, it is the condensation of atmospheric water vapor into drops heavy enough to fall, often making it to the surface. Rain is the primary source of fresh water for most areas of the world, providing suitable conditions for diverse ecosystems, as well as water for hydroelectric power plants and crop irrigation. However, not all rain reaches the surface; some evaporates while falling through dry air. This is called virga, a phenomenon often seen in hot, dry desert regions. The METAR code for rain is RA.

Rain is also known or suspected on other worlds. On Titan, Saturn's largest moon, infrequent methane rain is thought to carve the moon's numerous surface channels. On Venus, sulfuric acid virga evaporates 25 km from the surface. There is likely to be rain of various compositions in the upper atmospheres of the gas giants, as well as precipitation of liquid neon and helium in the deep atmospheres.

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