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Tornadoes are generally classified as either a land spout (a tornado on land), a water spout (a tornado that forms over water) or a gustnado (a small tornado caused by a strong downburst of wind ...
Tornadoes mostly form over land, instead of over water, because the land slows down surface-level winds, creating even more wind shear, McNoldy said. Tornadoes form wherever these pre-existing ...
Tornadoes form when different temperatures and humidity meet. In the United States, warm, wet winds travel north from the Gulf of Mexico in the spring and summer, where they meet cold, dry, south ...
The deadliest outbreak came on April 3, 1974, when a two-day "Super Outbreak" of 147 tornadoes killed 308 people in 13 states. The deadliest single tornado was the "Tri-state" tornado that killed ...
Here are five of the most pervasive tornado safety myths, as well as a few tips to follow: Myth #1: Opening windows will equalize pressure. The SPC said it best: "Opening the windows is absolutely ...
This year's season has seen historic killer tornadoes, including an EF-5 storm on the tornado damage scale that killed 151 people in Joplin, Mo., in May. That storm was a month after the other ...
Tornadoes are possible in a wider range of places than some people realize. While the United States leads the way with more than 1,000 tornadoes a year, twisters are known to touch down in every ...
The United States records about 1,000 tornadoes a year, by far the most prolific of any region in the world, with Canada ranking second at only 100 per year. [Related: 12 Twisted Tornado Facts]
The physics of a firenado. As hot air rises from the ground, it forms vertical columns, or "chimneys," until it becomes less dense, cools and then dissipates at higher altitudes. As more hot air ...
Tornadoes form when denser cold air collides with and pushes down warm, moist air, resulting in thunderstorms. As the warm air rises, it creates an updraft. If winds are jostling that rising air ...