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www.reference.com/science/snow-storms-occur-a77d22260a02de6c

According to the Natural Disasters Association, snow storms occur in locations where air and ground temperatures reach below freezing. North America and Canada experience around 10 snowstorms a year, each affecting approximately 2.5 million people. Snow storms are usually referred to as blizzards.

www.weatherexplained.com/Vol-1/Winter-Storms.html

WHERE & WHY WINTER STORMS OCCUR ... this was great i have a report on ice storms and this helped alot,and now i know what to do during a winter storm in and out of my car :) 4. Roberta. Feb 11, 2014 @ 7:07 am. The article was great, but there was no mention of school closings. My original question was "how did they announce school closings in ...

weatherstreet.com/weatherquestions/What_causes_snow_storms.htm

Lake effect snow storms are different from cyclonic snowstorms. Very cold air flowing over a large ice-free lake will pick up water vapor evaporated from the lake surface and result in cloud and precipitation formation downwind. The distance required for this to occur is at least tens of miles, and usually 100 miles or more.

en.wikipedia.org/wiki/Winter_storm

A winter storm is an event in which varieties of precipitation are formed that only occur at low temperatures, such as snow or sleet, or a rainstorm where ground temperatures are low enough to allow ice to form (i.e. freezing rain).In temperate continental climates, these storms are not necessarily restricted to the winter season, but may occur in the late autumn and early spring as well.

nssl.noaa.gov/education/svrwx101/winter

A winter storm is an event in which the main types of precipitation are snow, sleet or freezing rain. Why can winter storms be so dangerous? Most deaths from winter storms are not directly related to the storm itself. People die in traffic accidents on icy roads. People die of heart attacks while shoveling snow. People die of hypothermia from ...

weather.com/safety/winter/news/how-winter-storms-form-20120423

If cold temperatures are in place and a significant amount of moisture is pumped into a storm system from any of these sources, the result could be a major winter storm. Winter Storm Development ...

en.wikipedia.org/wiki/Thundersnow

Low-pressure events in the eastern Mediterranean that originate from polar origin cause copious thundersnow occurrences during winter storms, especially over the elevated provinces of Israel and Jordan, including Amman and Jerusalem. When such storms happen at areas intended for skiing, the mountains are often evacuated for safety.

www.reference.com/science/blizzards-occur-b046b992ffed0f01

Why Do Blizzards Occur? Blizzards occur whenever a winter weather system pairs heavy snowfall with high winds, or when a winter windstorm strikes an area that has recently experienced heavy snowfall. If the storm creates sustained winds of at least 35 miles per hour and reduces visibility to a quarter-mile or less due to blowing snow, it is ...

www.weatherwizkids.com/weather-winter-storms.htm

Winter Storms How do winter storms form? Winter storms derive their energy from the clash of two air masses of different temperatures and moisture levels. Winter storms usually form when an air mass of cold, dry, Canadian air moves south and interacts with a warm, moist air mass moving north from the Gulf of Mexico.

weather.com/science/news/what-thundersnow-and-why-does-it...

Thundersnow is a snowstorm event in which thunder and lightning occur. An example is the classic 2011 thundersnow in Chicago that surprised Jim Cantore. Thunderstorms accompanied by snow are ...