Portal:Winter

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The Winter Portal

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Winter is one of the four seasons of temperate zones. It is the season with the shortest days and the lowest average temperatures. It has colder weather and, especially in the higher latitudes or altitudes, snow and ice. The coldest average temperatures of the season are typically experienced in January in the Northern Hemisphere and in July in the Southern Hemisphere. Astronomically, winter starts with the winter solstice and ends with the vernal equinox, though in popular usage the word "winter" is more often defined by cold weather. By this definition it would be approximated by the calendar months of June, July, and August in the Southern Hemisphere and December, January, and February in the Northern Hemisphere. By still another definition, the seasons are not seen as quarters of the year, but as elastic periods in a particular place determined by the weather. When it is winter in the Northern Hemisphere, the Southern Hemisphere faces the Sun more directly and thus experiences warmer temperatures than the Northern Hemisphere. Conversely, winter in the Southern Hemisphere occurs when the Northern hemisphere is tilted more toward the Sun. From the perspective of an observer on the Earth, the winter Sun has a lower maximum altitude in the sky than the summer Sun.
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The Great Lakes Storm of 1913, historically referred to as the "Big Blow", the "Freshwater Fury" or the "White Hurricane", was a blizzard with hurricane-force winds that devastated the Great Lakes Basin in the Midwestern United States and the Canadian province of Ontario from November 7 through November 10, 1913. The storm was most powerful on November 9, battering and overturning ships on four of the five Great Lakes, particularly Lake Huron. Deceptive lulls in the storm and the slow pace of weather reports contributed to the storm's destructiveness. The deadliest and most destructive natural disaster ever to hit the lakes, the Great Lakes Storm killed more than 250 people, destroyed 19 ships and stranded 19 others. The financial loss in vessels alone was nearly US $5 million, or about $100 million at current value. This included about $1 million at current value in lost cargo totalling about 68,300 tons, such as coal, iron ore, and grain. The storm originated as the convergence of two major storm fronts, fueled by the lakes' relatively warm waters—a seasonal process called a "November gale". It produced 90 mph (145 km/h) winds, waves over 35 feet (11 m) high, and whiteout snowsqualls.
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Credit: NASA

Animation of snowcover changing with the seasons

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  • Winter storms blanket Midwest and Northeast United States, cause travel delays
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If Winter comes, can Spring be far behind?
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