Weather Seasons

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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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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 climate in Guatemala?

    A: According to The World Factbook on the Central Intelligence Agency website, Guatemala’s climate is hot, humid and tropical. However, some areas experience different temperatures and levels of humidity depending on the elevation. The lowlands region, for example, is mostly humid, while the highland region generally experiences the coolest temperatures in the country.
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  • What is the climate like in a tropical rain forest ?

    Q: What is the climate like in a tropical rain forest ?

    A: In the tropical rain forest biome, the climate is usually quite steady throughout the year, with average temperatures between 70 and 85 degrees Fahrenheit. Tropical rain forests also have very high average humidity, with an average high between 77 and 88 percent humidity throughout the year.
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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: What are the properties of Earth that cause seasons?

    A: The tilt of Earth’s axis and the position on its orbit around the sun due to the rotation on the axis are the properties that cause seasons, according to the National Weather Service. Seasons are opposite one another on the Northern Hemisphere and Southern Hemisphere.
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  • Q: What is a continental polar air mass?

    A: A continental polar air mass is an air mass that is both cold and dry. The reason for this is that the source of the air mass is a continental region.
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  • Q: When is hurricane season in Mexico?

    A: On the Atlantic Ocean side of Mexico, hurricane season lasts from June 1 to Nov. 30. The official hurricane season on the Pacific Ocean side of Mexico begins on May 15 and also ends on Nov. 30.
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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'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 some ways to stay warm in winter?

    A: Dressing in layers, maintaining heat around the head, closing gaps in clothing and eating well are ways to stay warm outdoors in the winter. Despite cold outdoor temperatures, preventing sweating is also necessary.
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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 hurricane season in New Orleans?

    A: New Orleans, the Gulf Coast and the eastern coast of the United States are affected by the Atlantic hurricane season, which runs from June 1st through November 30th each year. Texas and Florida are the most hit. Activity typically peaks from late August through September, particularly around September 10th.
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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 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: What is a climograph?

    A: According to National Geographic, a climograph is a graphic representation of climate information. It is considered a useful tool for studying climate and its effects on the human environment.
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  • When is tornado season in Oklahoma?

    Q: When is tornado season in Oklahoma?

    A: Tornadoes are most likely occur in Oklahoma between late March and August. However, tornadoes can happen at any time of year in Oklahoma if the weather conditions are right.
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