whiteout

a condition in which daylight is diffused by multiple reflections between a snow surface and an overcast sky; contrasts vanish, and the observer is unable to distinguish the horizon or any snow surface feature.
Found on https://www.encyclo.co.uk/local/10133

whiteout

[n] - an arctic atmospheric condition with clouds over snow produce a uniform whiteness and objects are difficult to see
Found on http://www.webdictionary.co.uk/definition.php?query=whiteout

whiteout

noun an arctic atmospheric condition with clouds over snow produce a uniform whiteness and objects are difficult to see; occurs when the light reflected off the snow equals the light coming through the clouds
Found on https://www.encyclo.co.uk/local/20974

whiteout

verb lose daylight visibility in heavy fog, snow, or rain
Found on https://www.encyclo.co.uk/local/20974

whiteout

`Fog` of grains of dry snow caused by strong winds in temperatures of between -18°C/0°F and -1°C/30°F. The uniform whiteness of the ground and air causes disorientation in humans
Found on http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0018359.html

Whiteout

[weather] Whiteout is a weather condition in which visibility and contrast are severely reduced by snow or sand. The horizon disappears completely and there are no reference points at all, leaving the individual with a distorted orientation. Whiteout has been defined as: `A condition of diffuse light when no shadows are cast, due to a conti...
Found on http://en.wikipedia.org/wiki/Whiteout_(weather)

Whiteout

A condition caused by falling and/or blowing snow that reduces visibility to nothing or zero miles; typically only a few feet. Whiteouts can occur rapidly often blinding motorists and creating chain-reaction crashes involving multiple vehicles. Whiteouts are most frequent during blizzards.
Found on http://www.encyclo.co.uk/local/22268

Whiteout

When visibility is near zero due to blizzard conditions or occurs on sunless days when clouds and su
Found on http://www.superglossary.com/Glossary/Science/Weather/
No exact match found