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Visual snow: dynamic, continuous, tiny dots observed across the entire visual field at any time of the day, regardless of lighting conditions, persisting for more than three months. The dots are usually black/gray on a white background and gray/white on a black background; however, they can also be transparent, white flashing, or colored.
Snow affects warfare conducted in winter, alpine environments or at high latitudes. The main factors are impaired visibility for acquiring targets during falling snow, enhanced visibility of targets against snowy backgrounds for targeting, and mobility for both mechanized and infantry troops.
Whiteout in Saskatchewan (March 2007) Whiteout snow squall northwest of Waterloo, Ontario, Canada (February 27, 2014) Background shows large, stationary whiteout on Lyell Icefield that lasted 4 hours Whiteout or white-out [ 1 ] is a weather condition in which visibility and contrast are severely reduced by snow , fog , or sand .
Snow accumulation on ground and in tree branches in Germany Snow blowing across a highway in Canada Spring snow on a mountain in France. Classifications of snow describe and categorize the attributes of snow-generating weather events, including the individual crystals both in the air and on the ground, and the deposited snow pack as it changes over time.
A snow cornice or simply cornice (from the Italian cornice meaning "ledge") is an overhanging edge of snow on a ridge or the crest of a mountain and along the sides of gullies. Formation [ edit ]
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The unpredictability of Australian snow conditions was highlighted in 2006 when severe drought and a poor snow season gave way to a "White Christmas" and abundant snow falls in the alpine regions of New South Wales, Victoria and Tasmania and even a low altitude snow fall on 25 December in the Dandenong Ranges on Melbourne's north-eastern fringe ...
Snowfall is usually measured in centimeters by letting snow fall into a container and then measure the height. The snow can then optionally be melted to obtain a water equivalent measurement in millimeters like for liquid precipitation. The relationship between snow height and water equivalent depends on the water content of the snow; the water ...