![]() ![]() Earth’s atmosphere, which is where weather is produced, is large and complex. Earth’s weather generally depends on the temperature, air pressure, and moisture level. Knowing what type of weather is coming in a few hours, days, or weeks can help people prepare for changing conditions by getting to shelter, getting clothes, or purchasing supplies, such as water, bread, batteries, and even sunscreen. These scientists often use supercomputers to simulate Earth’s weather. Scientists who study the weather- meteorologists-are constantly trying to better predict weather patterns. Some types of weather can be dangerous: Extremely hot conditions can cause dehydration and heatstroke, and freezing temperatures can make it difficult to stay warm. Snow often falls on high mountains-snowfall can accumulate slowly over time or rapidly during a large blizzard. ![]() Some places, like deserts, tend to be hot and dry. It’s generally colder in the winter, and summertime brings higher temperatures. The planet experiences seasons because its axis of rotation is tilted, which results in different intensities of sunlight hitting Earth over the course of a year in a given location with the exception of the equator. Earth’s weather is linked to the seasons: winter, spring, summer, and fall. The conditions on Earth-such as the temperature, level of storminess, and the amount of rainfall-all define our planet’s weather. Do you see blue skies? Maybe you spot dark rain clouds or, perhaps, leaves are being blown by a strong wind.
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