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While there is no well-agreed-upon date used to indicate the start of winter in the Northern Hemisphere, there are two definitions of winter which may be used. Based on the astronomical definition, winter begins at the winter solstice, which in 2009 occurred on December 21, and ends at the March equinox, which in 2010 occurred on March 20. [1]
The December 2009 North American blizzard was a powerful nor'easter that formed over the Gulf of Mexico in December 2009, and became a major snowstorm that affected the East Coast of the United States and Canadian Atlantic provinces. The snowstorm brought record-breaking December snowfall totals to Washington, D.C., Baltimore, and Philadelphia.
The second has to do with meteorological winter which varies with latitude for a start date. [1] Winter is often defined by meteorologists to be the three calendar months with the lowest average temperatures. Since both definitions span the start of the calendar year, it is possible to have a winter storm occur two different years.
In the Northern Hemisphere, the winter solstice will occur on Saturday, Dec. 21 at 4:21 a.m. EST. Where did the name winter come from? How the season got its name.
The date of the winter solstice can fall at any point between Dec. 20 and 23, depending on the year, but the 21st and 22nd are the most common. In 2023, the solstice fell on the same date but a ...
The winter solstice occurs during the hemisphere's winter. In the Northern Hemisphere, this is the December solstice (December 21 or 22) and in the Southern Hemisphere, this is the June solstice (June 20 or 21). Although the winter solstice itself lasts only a moment, the term also refers to the day on which it occurs.
The word winter comes from an old Germanic word for “time of water,” a reference to the heavy rain and snow this time of year, according to the Encyclopedia Britannica.
The December-solstice solar year is the solar year based on the December solstice. It is thus the length of time between adjacent December solstices. The length of the December-solstice year has been relatively stable between 6000 BC and AD 2000, in the range of 49 minutes 30 seconds to 50 minutes in excess of 365 days 5 hours.