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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

Is there such thing as hot air and cold air?

Yes, there is hot air and cold air. Hot air is air that has been heated and has a higher temperature, while cold air is air that has a lower temperature. Temperature differences in the air can affect weather patterns and create variations in temperature in different regions.

What does a tornado look like?

A tornado typically appears as a rotating column of air that extends from the base of a thunderstorm to the ground. It can have a funnel-shaped cloud at the top and may be accompanied by strong winds and debris swirling around it. Tornadoes can vary in size and intensity.

What is the degree of hot or cold?

The degree of hot or cold is measured on a temperature scale, typically in Celsius or Fahrenheit. Hot temperatures are associated with higher numbers, while cold temperatures are associated with lower numbers.

What classification would a tornado with the fastest known wind speeds be given?

A tornado with the fastest known wind speeds would be classified as an EF5 tornado on the Enhanced Fujita Scale. EF5 tornadoes have estimated wind speeds of over 200 mph (322 km/h) and cause extreme damage.

What is weathering and erosion during a tornado?

A tornado is a violent rotating column of air extending from a thunderstorm to the ground. The most violent tornadoes are capable of tremendous destruction with wind speeds of up to 300 mph. They can destroy large buildings, uproot trees and hurl vehicles hundreds of yards. They can also drive straw into trees. Damage paths can be in excess of one mile wide to 50 miles long. In an average year, 1000 tornadoes are reported nationwide.Most tornadoes form from thunderstorms. You need warm, moist air from the Gulf of Mexico and cool, dry air from Canada. When these two air masses meet, they create instability in the atmosphere. A change in wind direction and an increase in wind speed with increasing height creates an invisible, horizontal spinning effect in the lower atmosphere. Rising air within the updraft tilts the rotating air from horizontal to vertical. An area of rotation, 2-6 miles wide, now extends through much of the storm. Most strong and violent tornadoes form within this area of strong rotation.

During a tornado the winds spiral inward and upward violently. These winds can cause catastrophic damage in some cases, destroying homes and businesses, and sometimes entire downs.

If a tornado is moving 100 kmh and its 160km from your house how much time do you have to prepare?

If a tornado is 160 km away moving at 100 km/h you have 96 minutes, or a little more than an hour and a half before it hits, assuming it is heading toward you. In a real life situation this should be taken with a grain of salt as a tornado's speed is given as an approximate value and can easily change. Also note that it is rare for a tornado to last 96 minutes.

What is a sintered funnel?

A sinterd funnel is simply a funnel with a built in filter. The filter is sintered, I think that this means that small particles are compressed together (and heated ?) to form a single piece of material with many small holes. The sintered funnels I use are made of glass, a link to some images is below (not mine). http://curlyarrow.blogspot.com/2008/01/how-to-clean-your-sintered-funnel.html I have also used sintered polyethylene and sintered stainless steel for filtering.

What are the parts of a tornado?

Visible parts of a tornado include the condensation funnel, which is formed by the pressure drop condensing water vapor, and the debris cloud which is caused by the winds of a tornado picking up soil and/or debris. The tornado itself is a rapidly spinning vortex of air with a powerful updraft. Some tornadoes also have a downdraft in their centers which forms a calm, clear area similar tot he eye of a hurricane. Tornadoes like these may also have smaller subvorticies or suction vorticies circling inside of them, which can produce more severe damage. These are called multiple vortex tornadoes.

Most tornadoes descend from a lowering of the cloud base called a wall cloud. Although this is not a part of the tornado itself it plays a role in tornado formation.

How do meteorologists measure tornadoes?

Tornadoes are measured using the Fujita Scale. This is done by looking at the damage the tornado has caused and estimating the wind speeds. A rating is then assigned, ranging from F0 for the weakest tornadoes to F5 for the strongest. In the United States the Fujita scale has been replaced by the Enhanced Fujita scale, which ranges from EF0 to EF5.

On rare occasions Doppler radar can be used to obtain a wind measurement. In Even rare instances a probe using an anemometer may take direct measurements from inside the tornado.

On rare occasions barometers and anemometers have taken measurements from tornadoes as well.

However, the majority of tornadoes have their winds estimated based on damage rather than directly measured.

During what time of year are Santa Ana winds most common?

If the movie - The Holiday is accurate... the Santa Ana winds were at Christmas time, so I guess it would Winter.

Answer

Autumn and early Winter

How do tornadoes travel?

Many tornadoes can range from travel, some barley a few feet or yards, some up to 20 miles or more, depending on the tornado. The longest distance a tornado has ever been known to travel was 219 miles.

Why does it look like a cloud is following you when you're outside?

If you mean clouds in the sky, they are not really "following" you. Instead, the earth is spinning so fast that it only appears to us on the ground as if the clouds are barely moving. If you are traveling in the same direction as a weather front, it can appear the clouds are following behind you.

If you mean why do "clouds" as a bad thing always follow you, there is no proof that any particular person attracts more bad events than any other person might experience in life.

What is the beaker scale range?

The beaker scale typically ranges from 50 ml to 2000 ml, with various sizes in between. Beakers are commonly found in sizes such as 50 ml, 100 ml, 250 ml, 500 ml, and 1000 ml, but they can come in larger or smaller sizes depending on the manufacturer.

Why does it hail during a tornado?

Not just during tornadoes, but some thunderstorms, as well, there can be a combination of updrafts and downdrafts. Raindrops get caught in the updraft, swept up in a towering cumulonimbus cloud where it freezes and it caught in a downdraft. It may pick up more rain, and be caught in another updraft, refreezing and growing in size, with this cycle repeating until it's to heavy to be carried up again, or until it simply falls to the ground as hail.

What are objects in a tornado called?

Objects caught up in a tornado are often referred to as debris. This debris can range from small items like branches and roof shingles to larger objects such as cars and even entire buildings. The chaotic nature of tornado winds can cause debris to be carried at high speeds and deposited far from its original location.

How fast does wind need to blow to move a rock?

The speed required to move a rock with wind depends on the rock's size, shape, and weight. Generally, wind speeds of at least 20-30 miles per hour are needed to significantly move small rocks, while larger rocks may require much stronger winds exceeding 40-50 miles per hour.

How do tornadoes pick up things?

A tornado forms when a mesocyclone, a powerful, rotating updraft found in some thunderstorms, tightens an intensifies. As a result, the tornado has a very powerful updraft that can lift objects off the ground.

How do tornadoes behave?

Tornadoes typically form from severe thunderstorms and are characterized by a rotating column of air that extends from a cloud to the ground. They can have wind speeds ranging from 110 to 300 mph, with the strongest tornadoes causing significant damage to structures and vegetation in their path. Tornadoes can change direction, move erratically, and vary in size and intensity.

What are the disadvantages of lightning in sustainable agriculture?

Lightning cannot be prevented, it is an integral part of the functioning of the Earth and its balances of energy and electrostatic charges. The primary disadvantage of lightning is not just the potential to damage plants like trees, but also the risk associated with killing animals. Livestock that have been struck by lightning often die, which means a loss of income and productivity for the producer involved in sustainable agricultural practices. It is also not a reliable source of nitrogen fixation, because of the rarity and randomness of the strike pattern. A producer involved in sustainable agriculture must make use of legumes to provide a steady source of nitrogen fixation.

At what speed does a tornado travel?

I don't have the paper in front of me, so this is just off the top of my head, but it seems to me that I've read
that the highest wind speed ever officially recorded was 234 miles per hour, at the weather observatory on
Mt. Washington in New Hampshire.

I read it in the hotel's local information booklet the night before I was scheduled to go up and work on
one of the microwave radio sites on Mt. Washington. I was really looking forward to it, but something
came up and I didn't go. Maybe some day.

Bugs swirling like a tornado?

Did you ever figure out what these bugs were? I have been trying myself since I saw them last fall in Payette Idaho. If you have any information, would you let me know if you have time at this e-mail address:

aacchhammar@hotmail.com Thanks

Albert

Does Peru have more hurricanes than Florida?

Peru has no hurricanes. The waters off Peru are cold all year round this is due to the Peru current thus making the Pacific coast of not only Peru but of all south America virtually immune to hurricanes. In fact most of Peru's coast is desert due to the rainshadow effect caused by the Andes.Peru's capital Lima, gets little to no rainfall all year round, it only drizzles.

Does freezing a water bottle make the outside of it wet?

Not exactly.

The water that appears on the outside of the icy bottle is condensation of the water vapor in the air around the bottle. The cold temperature of the ice in the bottle causes the condensation. There are lots of water molecules in air -- there is more water in the air on a humid day then on a hot dry day, but there is always some water in the air. When air is cooled by coming in contact with the icy bottle, it condenses, and goes from being a gas to being a liquid (just like how steam turns back into water when it cools). It is the condensed water from the air that makes the outside of the bottle wet.

If a cold bottle was in air that had no water vapor in it (unlikely except in a laboratory), then it would not get wet.

How Many Tornadoes hit Texas in 2000?

There were 147 confirmed tornadoes in Texas in 2000.