Weather Seasons

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El Ninos occur every two to seven years irregularly and tend to last for a single cycle. It is typical for these events to show signs of occurring during autumn, and then they strengthen over the winter and spring, with a drop off during the summer.

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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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  • 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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  • 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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  • 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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  • Q: What Is the Rainy Season for the Bahamas?

    A: May through October is the rainy season for the Bahamas, although the islands have rainfall year round. The northern islands get more rain than the southern islands.
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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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  • Q: How Cold Does It Have to Be to Snow?

    A: In order for snow to form, the atmospheric temperature must be 32 degrees Fahrenheit or below. If the temperature increases too much as the snow falls, it turns into sleet or rain. As long as the ground temperature is at 41 degrees Fahrenheit or below, the snow should eventually stick.
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  • Q: What Is the Difference Between a Tropical Wet and Dry Climate?

    A: Tropical wet climates receive much more rain than tropical dry climates do. However, the term “tropical wet and dry climate” actually refers to a single type of climate. Tropical dry climates occur in deserts, while tropical wet climates usually occur along the rainforest belt. Tropical wet and dry climates have a distinct dry season and a distinct wet season, which produces a Savanna habitat.
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  • When Does Winter Start in the United Kingdom?

    Q: When Does Winter Start in the United Kingdom?

    A: According to the National Physical Laboratory, winter in the United Kingdom starts on Dec. 21 at 17:11 Coordinated Universal Time. December, January and February comprise United Kingdom's winter season, which are its coldest months, bringing freezing temperatures and sometimes snow.
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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's the Best Time and Place to See Fall Colors in Illinois?

    A: The best time to view fall colors in Illinois is from the middle of October through early November. The Illinois River Road National Scenic Byway offers excellent views of the fall foliage with a scenic 291-mile loop that follows both shores of the Illinois River.
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  • Q: What Are the Signs of Autumn?

    A: Two key signs of autumn are falling temperatures and a reduction in sunlight. The lower amount of sunlight slows and ends the photosynthesis process in leaves, causing them to turn yellow and brown and eventually fall from the trees.
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  • What Is the Coldest Temperature Ever Recorded in the United Kingdom?

    Q: What Is the Coldest Temperature Ever Recorded in the United Kingdom?

    A: The lowest temperature ever recorded in the United Kingdom is -27.2 degrees Celsius, according to the official website of the U.K. National Weather Service, the Met Office. The record stands as of 2014.
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  • Q: When Is Hurricane Season in the Bahamas?

    A: Hurricane season in the Bahamas officially begins on June 1st each year and runs to November 30th. According to the Embassy of the United States, the peak season usually occurs in August, September and early October.
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  • Q: When Is the Hurricane Season in the Maldives?

    A: There is no hurricane season in the Maldives, as the equatorial region rarely sees such storms. No hurricanes have ever been reported in the Maldives.
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  • Q: When Is the Rainy Season in the Dominican Republic?

    A: The rainy season in the Dominican Republic starts in late May and lasts through November. However, it does not rain daily and showers are often only short bursts that quickly dissipate.
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  • Q: What Are the Elements of Weather?

    A: The elements that make up weather are temperature, humidity, precipitation, visibility, wind and atmospheric pressure. Weather describes the behavior of the atmosphere and what effect it is expected to have on the population.
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  • What Happens in Winter?

    Q: What Happens in Winter?

    A: The changing tilt of Earth on its axis causes days to become shorter and nights to become longer during winter, and the tilted hemisphere is colder due to the sun hitting the Earth at an oblique angle. North of the equator, winter occurs when the northern hemisphere tilts away from the sun, while the opposite tilt leads to winter in the southern hemisphere.
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  • Q: Why Are the Seasons Reversed in the Southern Hemisphere?

    A: The seasons are reversed in the Southern Hemisphere because when the Northern Hemisphere is tilted toward the sun, the Southern Hemisphere is tilted away from it. Thus, when the Northern Hemisphere is receiving more direct sunlight and undergoing summer, the Southern Hemisphere is deep in the cold of winter.
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