Monday, October 14, 2013
Autumn Brides
Autumn is a great month for your Wedding. It is cooler, less crowded, makes for beautiful photographs, and sometimes can be less expensive, depending on the location. October has become one of the busiest months for
couple to say "I Do". In recent years, October typically has more Weddings than June!
Autumn is the season between summer and winter. The Northern Hemisphere, the northern half of the earth, has autumn weather during late September, October, and November. Autumn weather does not last so long in the polar region, where extremely cold winter weather begins earlier. In tropical regions, seasonal changes are not great.
The Southern Hemisphere has autumn from March until early June. For the dates of the first day of autumn and information about the position of the earth and sun during autumn.
Many people call this season fall because it is the period of falling leaves. Autumn is also harvest time for many crops. In North America, early autumn days are generally warm and nights are cool. As winter approaches, the air becomes chillier and frost often occurs at night. In much of North America, the end of autumn is marked by the freezing of lakes and streams, southern migration of birds, and prewinter snowstorms.
Autumn--especially September--is the season when most hurricanes occur. Hurricanes cause great damage along the coasts of the Gulf of Mexico and the western North Atlantic Ocean.
Some regions do not have all four climatic seasons. In parts of the tropics, for example, temperatures change little. But the amount of rainfall varies greatly, so that these regions have a wet season and a dry season. The polar regions, on the other hand, have a light season and a dark season. In these areas, the sun shines almost all the time in summer and almost never in the winter.
The changing seasons are caused by the changing position of the earth in relation to the sun. The dates used for the first day of each season mark the beginning of the astronomical seasons. The beginning and end of the climatic seasons vary from these dates from place to place and from year to year. The temperature and weather do not change instantly in response to the changing position of the earth in relation to the sun. The warmest and coldest weather generally occurs several weeks after the beginning of the summer and winter astronomical seasons. The delays occur because the oceans require much time to warm up in summer and cool down in winter.
The seasons keep changing because the tilt of the earth's axis never changes while the earth circles the sun. One way to understand this is to picture which way the tilt of the axis causes the North Pole to slant at different times of the year.
Autumn begins on September 22 or 23, the day of the autumnal equinox, when the pole starts to slant away from the sun. At both equinoxes, the sun appears directly above the equator. Places on the earth have approximately 12 hours of daylight and 12 hours of darkness.
Contributor: John E. Kutzbach, Ph.D., Professor of Atmospheric and Oceanic Sciences, and Director, Center for Climatic Research, University of Wisconsin, Madison.
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