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Tornadoes

A tornado or twister is a violent, rotating column of air which typically has a speed ranging from 177 km/h to over 480 km/h. This devastating windstorm is usually characterized by its funnel-shaped cloud that extends toward the ground.

8,901 Questions

What is a funnel cloud that makes strong wind noises called?

A funnel cloud that makes strong wind noises is called a whistling funnel cloud. This phenomenon occurs when the wind rushes through the funnel cloud, creating a distinctive whistling sound due to the varying air pressures within the rotating column of air.

Why can't scientists get exact measurements of wind speed inside tornadoes?

They can, but it is very difficult and dangerous. We can relatively easily get measurements from Doppler radar, but that always has a margin of error and it cannot measure wind at ground level.

We can get exact measurements by placing probes inside tornadoes, which is far more difficult. To start, a scientist must get to a spot on a road ahead of the tornado, deploy the probe, and get away before the tornado hits. This is harder than it may sound, especially since the time you have is usually measured in seconds. Even when the probe is deployed in time, tornado paths are hard enough to predict that the tornado often misses the probe. There is also the problem of building a probe that can withstand the winds of a tornado. Several probes over the years have been able to hold up to some rather strong tornadoes, but it is doubtful the equipment could survive the very strongest. One scientist, Tim Samaras, managed to create a probe that might have withstood 250-300 mph winds, but tornadoes that strong are rare and Samaras was killed by a tornado before he could successfully deploy it in a violent tornado.

Is a tornado a density dependent factor?

No, a tornado is not a density dependent factor. Density dependent factors are biotic factors that influence population size based on population density, while tornadoes are weather phenomena that are not influenced by population density.

What kind of forces does a tornado use?

The force that drives the winds of a a tornado is a pressure gradient; the pressure inside a tornado is lower than it is outside. Most of the damage caused is created by the wind acting on structures. Some damage is also cased by the impact of debris carried by the wind.

How fast are the winds of a fire tornado?

It is difficult to determine because, for understandable reasons, nobody has tried to measure them. Winds on a fire whirl can potentially exceed 100 miles per hour.

Is the center of a tornado characterized by low or high pressure?

The center of a tornado, known as the eye, typically has low pressure. As air converges towards the center, it rises and cools, resulting in the creation of a low-pressure area.

Do tornados spin clockwise?

Most tornadoes in the northern hemisphere spin counter clockwise while most in the southern hemisphere spin clockwise.

A hurricane stronger than a earthquake?

Hurricanes are tropical cyclones that form over warm ocean waters, characterized by strong winds and heavy rain. Earthquakes, on the other hand, are caused by the sudden release of energy in the Earth's crust, leading to ground shaking. While hurricanes can have more widespread and long-lasting impacts due to their size and slow movement, earthquakes can cause more immediate and localized destruction.

Which air pressure system causes tornadoes?

Tornadoes are caused by the collision of warm, moist air with cold, dry air, leading to the development of severe thunderstorms. It is not solely the air pressure system that causes tornadoes, but rather the combination of various atmospheric conditions, including air pressure, temperature, humidity, and wind patterns.

What is an average tornado wind speed?

An average wind speed in a tornado would likely be in the range of 80 to 110 mph. However, the tornadoes that cause major damage generally gave winds over 150 mph. These major events account for about 5% of all tornadoes.

Has a thunderstorm ever turned into a tornado?

Yes, thunderstorms can sometimes produce tornadoes. A tornado is a rotating column of air that extends from a thunderstorm to the ground, known as a supercell thunderstorm. It's important to stay alert and seek shelter if you are in an area prone to severe weather.

Is it possible to use tornadoes as a source of energy?

Tornadoes are not a viable or practical source of energy. They are highly unpredictable and dangerous natural phenomena, making it unsafe and unreliable to harness their power for energy generation. Additionally, the technology to efficiently and safely capture energy from tornadoes does not currently exist.

Was there a tornado in Long Beach?

Around the Long Beach area we don't have tornadoes often, but in 2010 we did get a tornado warning and amazingly it got up to a A1....I think.

From: webkinzandMCR on Youtube! :D

What effect could a tornado do to the stuff on the ground?

Tornadoes can lift up some objects and badly damage or destroy vegetation and man made structures. The specific effects vary considerably depending on the strength of the tornado and what it hits.

What are tornadoes called when they hit the ground?

A tornado that touches the ground is simply a tornado. Before it touches down it is called a funnel cloud.

How do you avoid a thunderstorm?

In general, if you live south of the Arctic Circle, you cannot avoid thunderstorms. The farther south toward the equator you go, the more frequently you will have thunderstorms. The few exceptions are over extremely dry places where the air is so dry, that the rain never gets to the ground.

What is the maximum weight an average tornado can pick up?

The maximum weight an average tornado can pick up is estimated to be around 30,000 pounds (15 tons). However, stronger tornadoes have been known to pick up heavier objects.

How does spinning water make a tornado?

It doesn't. A tornado is a spinning column of air, not water.

First, you need thunderstorms, then you need a condition called wind shear, in which the speed or direction of the wind changes with altitude. If the shear is strong enough it can essentially tilt a thunderstorm. This separates the updraft and downdraft of the thunderstorm, preventing them from interfering with one another. This allows the storm to become stronger and last longer.

Additionally, if the wind shear is strong enough it can start the air rolling in what is called horizontal vorticity. This horizontal vorticity can then be turned vertical by a thunderstorm's updraft. When this happens, the thunderstorm may start rotating. The rotation is especially strong in an updraft called a mesocyclone. If the storm intensifies rapidly enough, a relatively warm downdraft called a rear-flank downdraft or RFD can wrap around the bottom part of the mesocyclone. This can then tighten and intensify its rotation and bring it down to the ground to produce a tornado.

A violent windstorm that forms a rotating column of air called a vortex is a what?

A violent windstorm that forms a rotating column of air called a vortex is a tornado. Tornadoes are intense, destructive storms that can cause significant damage in their path.

What role does pressure play in a tornado?

All wind on Earth is ultimately driven by pressure differences. As a general rule, the more the pressure changes over a given distance, the stronger the wind can be. A tornado is a small center of intense low pressure. That pressure drop occurs over a very short distance, which causes air to rush into the tornado rapidly and reach very high speeds in and near the core.

What scale measures tornado damage?

The Enhanced Fujita (EF) scale is commonly used to measure tornado damage based on the intensity of the storm's impact on structures and vegetation. The scale ranges from EF0 (weakest) to EF5 (strongest) based on estimated wind speeds and damage indicators.

How do convection currents work in tornadoes?

Tornadoes form during thunderstorm, which are driven by convection. Thunderstorms develop, in simple terms, when warm, moist air rises because it is less dense than surrounding cooler air. Part of tornado formation may also involve air sinking after being cooled by rain.

When a funnel cloud pokes through the bottom of a cumulonimbus cloud and makes contact with the ground what does it form?

When a funnel cloud touches the ground, it forms a tornado. Tornadoes are rapidly rotating columns of air that extend from the base of a cumulonimbus cloud to the ground. They can cause significant damage due to their strong winds and intense rotation.

How would you describe the path a tornado takes?

A tornado's path is typically erratic, twisting and turning as it moves forward. It can change direction suddenly, causing it to shift and curve as it travels across the ground. Tornado paths may vary in length, width, and intensity depending on the storm system and environmental factors influencing its movement.

What are two ways that can make a tornado?

Classic tornadoes, which include almost all strong tornadoes, form from the mesocyclone of a supercell. Here we have a thunderstorm with a strong rotating updraft. Under the right conditions a downdraft can cause this updraft to tighten, intensify, and extend toward the ground to form a tornado.

There are also landspouts, which form in a similar way to fair-weather waterspouts. In this case, a broad, weak circulation at ground level moves under a developing thunderstorm. The circulation gets pulled into the storm's updraft, tightening and intensifying as a result. These tornadoes rarely exceed EF1 intensity.