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Spring is one of the four seasons and the transition from Winter into Summer. In the Northern Hemisphere Spring usually occurs during the months of March, April, May, or from the Vernal Equinox (March 20) to the Summer Solstice (June 21). The opposite is true for the Southern Hemisphere.
Severe weather most often occurs during the spring, when warm air begins to move up from the lower latitudes and cold air pushes down from the polar regions.
Many trees, flowers, plants and bulbs begin to grow during the Spring.
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