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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 a tornado more likely to travel threw a valley or over a hill?

A tornado is more likely to travel over a hill than through a valley, as hills can enhance wind speed and rotation in the atmosphere, which can contribute to the formation and sustenance of a tornado. Valleys, on the other hand, may disrupt the tornado's circulation patterns due to the varying terrain and obstacles present.

What phenomenon happens after a tornado?

After a tornado passes, there may be widespread destruction including damage to buildings, trees, and infrastructure. Recovery efforts begin, with emergency services responding to those in need and communities working to rebuild and restore the affected areas. Meteorologists and researchers may study the tornado to better understand its characteristics and potential impacts in the future.

What was the biggest tornado in the 1970's?

The largest tornado of the 1970's hit Boone and Kenton Counties in Kentucky on April 2, 1977. It was 1.7 miles wide, but because it tore mostly across open countryside it did not do heavy damage and was only rated F1. There were no fatalities.

The deadliest tornado of the 1970's was an F4 that struck Mississippi on February 21, 1971, killing 58 also making it the deadliest tornado in Mississippi history. first touched down near the Louisiana border southwest of Cary and tore a damage path 202 miles long (one of the longest ever recorded), dissipating a few miles north of the Tennessee border.

The most destructive was an F5 that Struck Lubbock, Texas on May 11, 1970. It caused $250 million in damage, which is equivalent to over $1.4 billion in todays dollars, marking it as the second most destructive tornado of all time.

Which tornado was the strongest of this decade could go to any one of the 14 F5 tornadoes that touched down, but one particular candidate of interest was the tornado which struck Xenia, Ohio on April 3, 1974. It was most certainly one of the most intense tornadoes ever recorded.

How warm is it inside a tornado?

That is not known. Not enough measurements have been taken from inside a tornado.

When does a tornado develop?

A tornado typically develops during severe thunderstorms when there is a rotating updraft known as a mesocyclone. This rotation can tighten and intensify, leading to the formation of a tornado when certain atmospheric conditions are present.

What causes a tornado to turn vertical?

The tornado itself is vertical when it first forms. The rotation that forms it starts out as what is called horizontal vorticity. This vorticity can get caught in the updraft of a thunderstorm, tilting it into a vertical position. The new vertical rotation joins with the updraft to become a mesocyclone. Under the right conditions the mesocyclone can tighten and intensify to produce a tornado.

Can you use a barometer to track a tornado?

No, a barometer measures atmospheric pressure, which can be helpful in predicting weather changes but not specifically tracking tornadoes. Tornadoes are tracked using radar systems that can detect the rotation within storm systems where tornadoes may form.

What happen to make tornadoes visible?

There are two main factors.

First, moisture in the air condenses as a result of decompression inside a tornado, producing the visible funnel cloud.

Second, a tornado's winds lift dirt and debris into the air, forming a debris cloud or dust whirl

Are tornadoes always the rear of a storm?

No, tornadoes can form in different parts of a storm system, including the rear but also in the front or along the edges. Tornadoes are typically associated with severe thunderstorms and can develop wherever the conditions are right for their formation within the storm.

Why are tornadoes most common in the spring and summer in north America?

It is during this time of year that air masses that air masses with very different temperatures, humidities, or both collide. This collision produces thunderstorms, some of which can, in turn, produce tornadoes.

Can tornados happen at any time of the year?

Tornadoes can occur throughout the year, but they are most common in the spring and summer months. The peak tornado season varies depending on the region, with tornadoes more frequent in the central United States during the spring and early summer.

What tornado creating ingredient causes the air to rotate?

Wind shear is a tornado-creating ingredient that causes the air to rotate. Wind shear is the change in wind speed or direction with height in the atmosphere, creating a twisting motion in the air. This rotation can then be intensified by other factors to form a tornado.

Does a tornado come from a severe thunderstorm?

Yes. Tornadoes form from severe thunderstorms.

How many tornadoes occur every year?

The United States averages about 1200 tornadoes each year. Worldwide the number is less certain.

What happens before a tornado at night?

Tornadoes at night are no different from ones that occur during the day, except that the darkness makes them harder to see. Tornadoes usually form during a kind of rotating severe thunderstorm called a supercell. The rotation is mot intense in an area called a mesocyclone, near tha back of the storm where air move up. A special downdraft called a rear-flink downdraft or RFD can wrap around the mesocyclone, tightening and intensifying it to produice a tornado. The RFD oftan caused strong, sometimes damaging winds at ground level a few minutes before the tornado touches down. If the tornado is coming, the rain-producing portion of the thunderstorm will likely pass over you before the tornado hits. The rain may stop before the tornado strikes, creating an eerie calm, or it may continue even as the tornado moves through. Tornadoes at night are especially dangerous because they are difficult to see, sometimes visible only with flashes of lightning.

Where in the storm does a tornado happen?

A tornado forms within a supercell thunderstorm, which is a type of severe thunderstorm with a rotating updraft called a mesocyclone. The tornado typically descends from a rotating wall cloud that is located beneath the base of the storm.

Is it possible for an F6 tornado to occur?

Yes and no. While it might be possible for winds in excess of 318 mph to occur, Fujita scale ratings are based on damage rather than winds speeds. So even if winds in the theoretical F6 range were to occur the tornado would still be rated F5 as F5 winds will obliterate all man-made structures leaving no room or purpose for a higher category to be used.

So the F6 rating is purely theoretical.

On the new Enhanced Fujita scale the EF5 wind range has been left open-ended so there is no EF6 theoretical or otherwise.

How do you know if a tornado is coming or not?

1) watch the news. Ik it may be boring for some, but it tells you whether or not you have a warning or watch or whatever. 2) look for weather patterns like, severe thunderstorms, strong winds, hail. hope it helped ;)

Why do you have a tornado season?

There are a number of factors that lead to tornado season, which is primarily in the spring. This occurs because in the spring the lower atmosphere heats up while the upper atmosphere remains cold, creating instability that can lead to thunderstorms. Additionally, incursions of cold air from higher latitudes create fronts that can trigger thunderstorms. These thunderstorms can then go on to produce tornadoes.

Why do most tornadoes occurring in the Midwest of the US take a southwest to northwest track?

Most tornadoes in the Midwest of the US follow a southwest to northwest track because they are typically associated with weather systems moving from west to east. The rotating supercell thunderstorms that produce tornadoes often form on the southern edge of these systems and are carried along their path, resulting in a southwest to northwest movement.

Why do most tornadoes form in the afternoon and early evening?

Tornadoes often form in the afternoon and early evening because that's when atmospheric conditions are most favorable for the development of severe thunderstorms. During these times, there is typically a combination of warm, moist air near the surface and cool, dry air aloft, which can lead to the instability needed for tornado formation. Additionally, daytime heating enhances the strength of updrafts, which can increase the likelihood of tornado formation.

Do tornadoes turn clockwise and counterclockwise?

Both. Most tornadoes turn counterclockwise if in the northern hemisphere and clockwise if in the southern.

There is also a small percentage of tornadoes (less than 1%) that turn in the opposite direction from what is normal in their hemisphere.

What types of clouds are in a tornado?

Tornadoes are associated with cumulonimbus clouds, which are large, dense, and vertically developed clouds that can produce severe weather. These clouds have strong updrafts that can lead to the formation of tornadoes when conditions are conducive.

Why are most tornadoes at night?

Tornadoes are more frequent at night because the atmosphere is more stable, allowing for the development of strong thunderstorm complexes, which can produce tornadoes. Also, nighttime tornadoes may go unnoticed or be more dangerous because people are sleeping and may not receive timely warnings.

Can meteorologist predict where and when a tornado will occur?

Only to a limited degree. Meteorologists can predict areas where tornadoes might occur when the conditions for them arise. But there is no telling exactly when and where a storm will produce a tornado.