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For at least three—really five—months of the year, it's a constant presence. But when the weatherman calls for a whiteout, how do you know if it's a blizzard or a snowstorm? Although these terms seem interchangeable, they actually are two different weather conditions.
As James Bria , certified consulting meteorologist, senior forensic weather expert, and forecast operations manager at CompuWeather, Inc. It turns out a snowstorm doesn't necessarily mean that a true storm is occurring, per se—just the act of snow falling means you're experiencing a snowstorm.
As for blizzards, our definition is also often wrong. He explains that in order for a blizzard to occur, a weather reporting station has to experience three consecutive hours of both sustained winds or frequent gusts 35 miles per hour or higher, as well as considerable falling or blowing snow that reduces visibility to less than one-fourth of a mile. According to Bria, a snow-less blizzard "tends to happen more often in wide-open, flat landscapes with little vegetation, like the Great Plains.
White outs occur due to a scientific phenomenon of sunlight being reflected in all directions by the snow and ice. Snowflakes, droplets of fog and ice particles suspended in air enhance the effect to such an extent that sense of direction, perception of depth and balance seem to get lost.
The sky and land appear to have blended with a white sheet encompassing everything. Blizzards disrupt life and cause loss of lives, lessened productivity due to inability to reach work places, schools closings, airports are closed, delay in delivery of products etc.
Winter storms cause havoc in regions affected. Death due to hypothermia and infections by frost bites are common. Car accidents are on the rise due to slippery roads and there can be power outages for days on end. Communication can be disrupted with damage to telephone lines and even crops are ruined. Flying becomes dangerous with formation of rime and graupel — rime is a collection of cooled cloud or fog droplets that freezes when it makes contact with an object.
Hence when ice crystals fall through rime, droplets of ice get attached to cloud droplets forming graupel. Aircrafts are particularly endangered when it passes through a cold cloud since rime can get formed on its wings. Share this comparison:. If you read this far, you should follow us:. Diffen LLC, n. Blizzard vs.
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