Weather Seasons

A:

The Earth experiences seasons because its axis is tilted, and as it rotates, sometimes a region is tilted towards the sun. In the northern hemisphere, when the Earth is closest to the sun, the region will experience winter, and when it is furthest away, it will experience summer.

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  • How do jet streams affect the weather?

    Q: How do jet streams affect the weather?

    A: Jet streams, which are rapidly moving ribbons of air 6 to 9 miles above the Earth, influence the weather by separating warm and cold air and pushing weather systems around the globe. The movement of a jet stream affects temperatures and precipitation. Meteorologists describe jet streams as resembling rivers in their flow.
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  • Why does it hail in the summer?

    Q: Why does it hail in the summer?

    A: Hail occurs in the summer when strong thunderstorm updrafts carry raindrops high into the atmosphere, where temperatures are below freezing, according to the Atmospheric Sciences Department of Texas A&M University. This causes the water to freeze into pellets of ice, forming hailstones. These pellets may rise and fall multiple times in the storm before falling to the ground, resulting in hailstones of varying sizes.
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  • When does hurricane season start?

    Q: When does hurricane season start?

    A: Geography dictates the start of hurricane season. Hurricane season in the Atlantic starts June 1. Hurricane season in the North Pacific begins May 15. According to the U.S. National Weather Service, 99 percent of all hurricanes occur within these periods.
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  • Is sound louder in cold weather?

    Q: Is sound louder in cold weather?

    A: Sound does not actually increase in amplitude, or loudness, in the cold. However, two factors come together and make people perceive sound as much louder in the cold: the cold itself and the snow that often comes with it.
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  • What are the months for each season?

    Q: What are the months for each season?

    A: In the Northern Hemisphere, spring covers March, April and May; summer covers June, July and August; fall covers September, October and November; and winter covers December, January and February. There are no official allocations of the four seasons, though, and in the Southern Hemisphere, the seasons are reversed. When it's summer in the Northern Hemisphere, it is winter in the Southern Hemisphere, and when it is spring in the Northern Hemisphere, it is fall in the Southern Hemisphere. Many countries south of the equator, however, tend to have more tropical climates in which the evolution of the seasons is less evident.
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  • What makes the seasons change?

    Q: What makes the seasons change?

    A: The Earth experiences seasons because its axis is tilted, and as it rotates, sometimes a region is tilted towards the sun. In the northern hemisphere, when the Earth is closest to the sun, the region will experience winter, and when it is furthest away, it will experience summer.
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  • Q: What is a climate zone?

    A: A climate zone is a classification of the type of weather that is experienced in a specific geographic region of the world. Climate zones are differentiated based on average temperatures and the amount of precipitation that occurs in an area.
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  • Q: What are the differences between spring and autumn?

    A: The differences between spring and autumn include temperature, time of year and length of day. Spring is the season that happens after winter, while autumn is the season that happens after summer. The physical appearance of spring and autumn are different as well, as trees bloom in spring and turn in autumn.
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  • Q: Where is the Frigid Zone?

    A: The Frigid Zones are the areas north of the Arctic Circle and south of the Antarctic Circle. They are the coldest places on Earth and have extreme weather conditions.
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  • What is 27 degrees Celsius in degrees Fahrenheit?

    Q: What is 27 degrees Celsius in degrees Fahrenheit?

    A: Twenty-seven degrees Celsius is equivalent to 80.6 degrees Fahrenheit. To convert from Celsius to Fahrenheit, multiply the degrees Celsius by nine, divide by five and add 32.
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  • Q: What is the scientific name for seasons?

    A: The scientific adjectives of the four calendar-based seasons are vernal for spring, estival for summer, autumnal for autumn and hibernal for winter. There are also two distinct adjectives for temperate climate regions, and these are prevernal for pre-spring and serotinal for late summer.
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  • Q: What is the exact time of the winter solstice?

    A: As of 2015, the United States will experience the December, or winter, solstice on Tuesday, Dec. 21, at 11:49 pm Eastern Standard Time. The December solstice usually occurs between Dec. 20 and Dec. 23.
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  • Q: What is the defining factor of a dry climate?

    A: A dry climate is defined by yearly precipitation that is less than the loss of water through evaporation. Dryness is not only related to annual rainfall total but is also a function of evaporation, which is closely dependent on temperature.
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  • Q: In which biome is the changing of seasons best viewed?

    A: The changing of the seasons is best viewed in the temperate forest. This biome has deciduous trees with leaves that change color in autumn and fall to the ground during winter.
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  • How does a sea breeze form?

    Q: How does a sea breeze form?

    A: A sea breeze forms when the heavier, colder air over water moves inland while the lighter, warmer inland air rises, creating a breeze. The primary cause of sea breezes is temperature irregularities between land and ocean, because the land heats up faster than water.
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  • Q: What causes weather to change?

    A: Weather changes are due to differences in temperature, moisture content and pressure between the atmospheric air masses that circle the planet. Generally speaking, weather is determined by the current state of the atmosphere in a particular area, and is also affected by seasonal changes due to the Earth's rotation around the Sun.
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  • Q: When does the hurricane season start and end?

    A: The Atlantic Basin hurricane season begins on June 1 and ends on November 30. The hurricane season of the Pacific Basin officially runs from May 15 to November 30. While it is possible for tropical storms to form outside of these dates, such activity is exceedingly rare.
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  • Q: What are some common autumn colors in Michigan?

    A: Common colors observed during autumn in Michigan include varying shades of crimson, gold and orange with some remaining touches of green. The best viewing opportunities of the season begin in late September and last through October, with the heights of color coming at different times depending on the location.
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  • Q: Why does temperature change during the seasons?

    A: Temperature changes throughout the year are caused by the tilt of the Earth on its axis and its revolution around the sun that allows sunlight to strike more directly. Depending on which hemisphere is facing the sun at a given time, that hemisphere experiences either summer or winter.
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  • Q: What time of year do droughts occur?

    A: Droughts can occur at any time during the year. A drought is usually determined by the lack of precipitation that falls during a period of time, but it can take a long time for its effects to be noticed.
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  • Q: How does weather affect everyday lives?

    A: Weather affects the everyday lives of people by governing choices they make about what clothes to wear, how to travel, and the activities in which they participate. Weather also affects the moods of many people.
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