whiteout

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Related to white-out: Wite-Out

whiteout

[′wīd‚au̇t]
(meteorology)
An atmospheric optical phenomenon of the polar regions in which the observer appears to be engulfed in a uniformly white glow: shadows, horizon, and clouds are not discernible; sense of depth and orientation are lost; dark objects in the field of view appear to float at an indeterminable distance. Also known as milky weather.

whiteout

The phenomenon in which a pilot experiences a loss of orientation with respect to the horizon caused by the sun reflecting on snow or a loss of horizonal definition as a result of the snow in the air being the same color as the snow-covered ground.
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Sir Ranulf describes the conditions well: "Blizzards and white-outs are common.
Now the glacier stage is over, Maria has set her mind to cycling across more than 310 miles of polar plateau in the face of white-outs and bitterly cold conditions.
Heavy snow showers and drifts caused chaos for motorists yesterday with some roads hit by dangerous white-outs.
They battled against huge ice ridges, blizzards and white-outs.
Richard originally set out on his bold expedition on Thursday, November 28, but was forced to turn around by treacherous conditions and frequent white-outs.
The real irritation lay in the fact that we had battled through blizzard conditions and total white-outs on the previous night, conditions which reduced even hardened Finns to a bag of nerves, only to blow it in perfect weather.
Anyone who remembers the great white-outs of the early '60s and '80s knows exactly how real snow can seriously affect our lives.