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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 June the best month for tornadoes?

June is one of the peak months for tornado activity in the United States, especially in the central part of the country known as "Tornado Alley." However, tornadoes can occur in many other months as well, so it's not solely confined to June.

What temperature brings tornadoes?

There is not particular temperature at which tornadoes form. It is common, however, for the weather to be hot and humid before a tornado and its parent thunderstorm come through and to be cooler afterwards.

What does A vortex have to do with an tornado?

A vortex is a spinning flow of air or liquid. In a tornado, a vortex forms when warm, moist air meets cool, dry air, creating a rotating column of air that extends from the base of the storm cloud to the ground. This rotating vortex is what gives a tornado its destructive power.

How would it look outside if a tornado were approaching?

Tornadoes occur during severe thunderstorms are very usually precedes by very heavy rain which, depending on the storm, may or may not stop before the tornado hits. This rain may be accompanied by hail, which can reach very large sizes. Many people have noted green or other unusual colors in the sky before a tornado. While this usually indicates a severe thunderstorm, it does not mean a tornado is coming, nor does its absence mean there won't be one. The tornado itself usually occurs in the rear half of the thunderstorm, if that portion of the storm is rain-free you may note a lowering of the cloud base and rotation in the clouds; this is the wall cloud from which the tornado may form. Near this wall cloud a hole may open up in the clouds, showing the location of the rear-flank downdraft that plays a crucial role in tornado formation.

Are tornadoes weather related?

Yes, tornadoes are weather-related phenomena. They are violent, rotating columns of air that extend from a thunderstorm to the ground, and are typically associated with severe thunderstorms and certain atmospheric conditions like warm, moist air colliding with cool, dry air.

Is a tornado cold or hot air?

Tornadoes typically form in a warm air mass, as that is what provides the energy, though it is often near a boundary with a cooler or drier air mass. However, due tot he pressure drop the air in a tornado is cooler than its surroundings.

How do you know when a tornado is forming in a certain area?

A developing tornado can be detected by Doppler radar. This radar can measure wind speeds, and strong rotation withing a thunderstorm often indicates that at tornado is developing or is likely to develop.

What causes air to rise in the first stage of a tornado?

The tornado forms from the already existing updraft of a thunderstorm. The thunderstorm has (and actually develops from) an updraft that occurs as a result of an ai mass being warmer, moister, and thus less dense than either the surrounding air or an adjacent air mass.

Can a tornado pick up a gigantic safe?

Most tornadoes probably could not, but a high-end EF4 or EF5 most likely could. Tornadoes of that intensity have been known to lift up very heavy objects including parking bumpers, construction equipment, train cars, and even buildings. One EF5 tornado in Alabama picked up an anchored 800 lb safe and threw it 600 feet. When the safe was found its door had been torn off.

What is the xenia tornado of 1974?

The Xenia tornado was a large and very powerful F5 tornado that struck the town of Xenia, Ohio on April 3, 1974 killing 34 people. It was the worst tornado of the Super Outbreak, which was until recently the largest single day tornado outbreak on record, with 148 tornadoes touching down in 15 hours.

How do tornadoes spin in the equator?

Tornadoes are not a common occurrence near the equator, however, waterspouts, which occasionally come on land an become tornadoes may still occur. Near the equator such tornadoes probably spin clockwise and counterclockwise in equal numbers.

Why do tornadoes last long?

They don't, usually. Most tornadoes don't last more than a few minutes. The tornadoes that do last along time are usually produced by exceptionally strong thunderstorms with very powerful updrafts. Such updrafts are not easily disrupted, and the disruption of the updraft is usually what "kills" a tornado.

Can earth fit into Jupiters tornado?

There is a storm on Jupiter that is large enough to fit earth inside of it, bu that storm is not a tornado.

Why is the tornado scale called the Fujita scale?

The Fujita scale is named after Tetsuya Theodore Fujita, a Japanese-American meteorologist who developed the scale in the early 1970s to classify tornado intensity based on damage assessments. He made significant contributions to tornado research and severe weather studies during his career.

How are tornadoes measured detected or forecasted?

The strength of a tornado is determined in the aftermath by examining the damage done by the storm. This is used to provide a wind speed estimate and give the tornado a rating on the Enhance Fujita scale from EF0 at the weakest to EF5 at the strongest.

Tornadoes are detected through a combination of doppler radar and weather spotters. Radar can detect the wind velocity signature of a tornado's vortex, but visual confirmation is needed to confirm that a tornado has touched down as radar usually cannot scan the lowest portions of a storm.

Tornadoes on the long term by analyzing certain weather conditions such as temperature, dew point, wind shear, and whether or not any storm systems are present. This cannot tell where a specific tornado might hit, but it does say what regions might see tornadoes in the following hours or days. On the short term it is possible to scan a thunderstorm with doppler radar and determine whether or not it might produce a tornado.

Is a tornado bigger than a thunderstorm?

A tornado is a smaller-scale phenomenon that can occur within a thunderstorm. Thunderstorms are generally larger in size and can produce a variety of weather conditions, including lightning, heavy rain, hail, and strong winds, which can sometimes spawn tornadoes.

What are three things that are in common with volcanoes and tornadoes?

Tornadoes and volcanoes have little in common, but a few common traits between them include

  1. Both are potentially deadly and destructive and are generally dangerous to go near, though dormant and extinct volcanoes pose much less of a threat.
  2. When active both volcanoes and tornadoes can release very large amounts of energy.
  3. Both volcanoes and tornadoes are difficult to predict and cannot be stopped.

Can it be predicted when a tornado will happen?

Only to a very limited degree. On the long term, analysis of large scale weather patterns can determine a period of a few hours in which tornadoes are likely to form in a region. However, this analysis cannot predict where or when individual tornadoes will strike.

On the sorter term, radar analysis can determine if a tornado is likely to produce a tornado in the next few minutes, though it still cannot say when a tornado will form.

If a tornado has already formed and we know its location, speed, and direction, we can gauge approximately when it will reach certain locations.

What factors are instrumental in creating tornado patterns?

Tornado patterns are influenced by the meeting of warm, moist air with cooler, drier air, which creates instability in the atmosphere. Wind shear, which is the change in wind speed and direction with height, plays a crucial role in the development and intensity of tornadoes. Other factors like topography, temperature differences, and atmospheric dynamics also contribute to the formation of tornado patterns.

What are some of the problems researchers face when trying to predict tornadoes?

First and foremost tornadoes are microscale events, meaning that compared with other weather patterns they are small, short lived, develop quickly, and thus can be influenced by small changes. The minute differences that determine exactly where and when a tornado will develop are often too small to detect or accurately measure, especially since we cannot measure many conditions at very location. Somtimes the tornado itself escapes detection until it is too late.

Even then, the dynamics of tornado formation are still not fully understood, so we still don't know why one storm will produce a tornado while another won't.

What would be a perfect setting for a tornado to occur?

The perfect setting for a tornado to occur would be: Upper Level winds are strong, and in a very different direction from those near the ground. A low pressure system pulls air from the Gulf of Mexico northward, creating very hot, humid weather. At the same time it pulls in cool air from the north and dry air from the west, pushing those air masses into the warm moist air mass, forming a cold front and a dry line, causing thunderstorms to spring up. The cold front and dry line intersect, forming a triple point. The storms become strong and begin rotating, and have the potential of producing tornadoes. The storms at the triple point are especially violent, and have the greatest potential for producing tornadoes.

Why aren't there lots of tornadoes in hawaii?

Tornadoes typically form along a frontal boundary such as a cold front or dry line. Such systems are characteristic of the mid-latitudes rather thane tropical regions such as Hawaii. Tornadoes can also form in landfalling hurricanes, but hurricanes are fairly rare in that particular part of the oceans and the islands do not present enough landmass to produce the necessary wind shear for a hurricane to do this. Because of this most tornadoes in Hawaii would probably be waterspouts, which form be a different mechanism, making landfall. These events are not very common and when they do happen usually result in only minor damage.

Can meteorologists predict the path of the tornado?

To a limited degree yes. A tornado usually moves in the same direction as the storm that produces it. Additionally, it is well known among meteorologists that very strong tornadoes have a tendency to make left turns.

What direction would a tornado rotate in Kansas?

Nearly all tornadoes in Kansas rotate counterclockwise,as it is throughout the northern hemisphere.

Does every tornado have a name?

No. No tornado has a name. Every hurricane, gets a name , though, with the exception of one hurricane in 1991 which was simply called "the Perfect Storm."