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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

Why does Ontario not get Tornadoes?

Actually there are tornadoes in Ontario. Some as strong as F4. In 2009 an F2 tornado hit the Toronto area. On May 31, 1985 13 tornadoes touched down in Ontario, including anf F4 that Devastated Barrie, north of Toronto, killing 8 people. Tornadoes are not particularly common in Ontario because its relatively cool climate limits the intensity of thunderstorms, and upper-level wind patterns generally favor types of storm less likely to produce tornadoes.

The tornado that touched the ground the longest?

The 1925 Tri-State tornado, which traveled through Missouri, Illinois, and Indiana, holds the record for the longest continuous track on the ground at approximately 219 miles. It left a path of destruction and devastation in its wake, causing widespread damage and casualties.

What kind of damage does a funnel cloud do?

A funnel cloud is a rotating, cone-shaped cloud that extends downward from a thunderstorm. While it is not considered a tornado until it touches the ground, a funnel cloud can still produce strong winds and hail. If a funnel cloud does touch down, it can cause the same type of damage as a tornado, including destruction of buildings, trees, and other structures.

What are precursors to tornadoes?

Some precursors to tornadoes include a supercell thunderstorm with a rotating updraft, a noticeable change in wind direction and speed with height (wind shear), and a large temperature difference between the surface and the upper atmosphere. Other precursors can include a rapidly lowering cloud base, the presence of a wall cloud, and the occurrence of large hail or intense lightning.

When did tornadoes exist?

Tornadoes have existed since the beginning of the planet's atmosphere. They are a natural and common occurrence in certain regions with the right weather conditions, such as the central United States.

What is a tornado and how do they form?

A tornado is a violently rotating and destructive column of air extending from the base of a thunderstorm to the ground.

The formation of tornadoes these is complicated.

First, 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.

What is the relation of a tornado to a radar supercell rotation?

A radar can detect rotation within a supercell thunderstorm, which is a key ingredient for tornado formation. When a tornado forms within a supercell, the radar can detect the rotation associated with the tornado, providing valuable information for forecasting and warning purposes.

What produces hail from a tornado?

The tornado itself is not the cause of the hail. Hail is a phenomenon that occurs with thunderstorms that have strong updrafts. The hail forms as the updraft holds ice pellets aloft as layer after layer of supercooled water freezes to their surfaces. Eventually they become too heavy and fall out of the storm. The strongest updrafts are found in thunderstorms called supercells, which due to their rotation, are also the primary producers of tornadoes.

Why is studying tornadoes important?

Studying tornadoes is important because it helps us understand their formation, behavior, and potential impacts on society. This knowledge can lead to improved forecasting techniques, better warning systems, and more effective disaster preparedness strategies to mitigate the risks associated with tornadoes.

Was there a tornado in Texas?

Yes, Texas is prone to tornadoes, particularly during the spring and early fall months. Tornadoes can occur throughout the state, with certain regions like North Texas experiencing a higher frequency of tornadoes. It's important for residents to stay informed and prepared for severe weather events.

How do you know when a tornado is near?

Signs that a tornado may be near include a dark, greenish sky, large hail, a loud roaring sound, and a visible funnel cloud. If you hear a tornado warning or see these signs, seek shelter immediately.

Is the eye of tornado safe?

No, the eye of a tornado is not safe. While it may appear calm, the most dangerous part of a tornado is the surrounding eyewall, where the strongest winds and most intense damage occur. It is not advisable to seek shelter in the eye of a tornado.

Why does Michigan have tornadoes?

Michigan experiences tornadoes mainly due to the clash of air masses with different temperatures and humidity levels in the region. When these conditions create a strong rotating updraft, it can lead to the formation of tornadoes. Michigan's proximity to the Great Lakes also contributes to the volatility in weather patterns that can spawn tornadoes.

Who studies hurricanes and tornadoes?

Meteorologists study hurricanes and tornadoes. They use data from satellites, radars, and weather stations to monitor and track these weather phenomena. Their research helps improve our understanding of these severe storms and how they form.

Why are most tornadoes not recorded?

Most tornadoes occur in sparsely populated areas, making it less likely for someone to witness and report them. Additionally, some tornadoes may touch down in remote regions or dissipate quickly, making them difficult to detect or document.

How do tornadoes devlop?

This is my personal theory only. A tornado develops during a thunderstorm as part of the thunderstorms. It is a spinning warm updraft starting from the ground and reaching toward the cloud. The condensation you see is at the top of the funnel; forming when the spinning updraft begins to cool, and giving the appearance of the funnel dropping DOWN. As the tornado progresses it lifts up dirt and debris into the air giving it a darker appearance like the "black cloud" often seen in the movies.

Eventually the tornado collapses as it becomes clogged with air, roping out and finally dissipating, unless conditions remain favorable for the development of a subsequent tornado. Hope this helps.

A serve storm that forms as a rapidly rotating funnel cloud is called?

A serve storm that forms as a rapidly rotating funnel cloud is called a tornado. Tornadoes are characterized by their destructive winds that can cause significant damage to the surrounding area. It is important to take shelter and follow safety precautions when a tornado is approaching.

What are facts about the F4 tornado?

Facts about F4 and EF4 tornadoes:

  • In assessing tornado damage, the most difficult difference to determine is between (E)F4 and (E)F5 damage as both involve structures that are completely destroyed.
  • The winds required to do F4 damage were originally estimated at 207-260 mph. However in the 21st century this estimate was found to be too high an was lowered to 166-200 mph for an EF4 tornado.
  • Although F5 and EF5 tornadoes are generally the most destructive, several F4 tornadoes have temporarily held the title of costliest tornado in U.S. history. Most recently the Tuscaloosa, Alabama EF4 tornado of 2011 held that title with damage totaling $2.2 billion until the Joplin, Missouri EF5 tornado beat that record three weeks later.
  • Even though F5 tornadoes are generally deadlier, more deaths in total result from F4 tornadoes because they are more common.

When was California's first tornado?

That is unknown as there have been tornadoes in what is now California since before there were people there to record them.

What percent of tornadoes hit the eastern hemisphere in a year?

Approximately 75% of tornadoes occur in the United States, which is in the western hemisphere. Therefore, around 25% of tornadoes hit the eastern hemisphere in a year.

What year was the first tornado accurately predicted before it struck?

The first tornado accurately predicted before it struck was in 1948. The tornado was forecasted by Air Force Capt. Robert C. Miller near Tinker Air Force Base in Oklahoma.

What is the weakest tornado ever recorded?

That is difficult to determine. There have been many thousands of F0 and EF0 tornadoes with winds possibly as low as 40 mph. However it is difficult to determine which were the weakest as many took place in open fields and caused no damage and all but perhaps a few never had their winds measured. Even then, it could be debated whether a tornado with winds as low as 40 mph could actually be counted as a tornado as such winds usually cannot cause significant damage.

Are tornadoes the strongest storms on earth?

In terms of total energy output no. That title would probably go to hurricanes which are much bigger and longer lasting than tornadoes.

However, tornadoes are the most intense storms on earth, with winds that can exceed 300 mph.

What is the size of an F4 tornado?

There is no given size for a tornado of any rating. The ratings of tornadoes are based on the severity of the damage caused by the tornado. A rating of F4, for example, indicates that well-built houses were completely leveled. While tornadoes of F4 strength are typically very large they don't have to be. Some have been only 100 yards wide while other have been over 2 miles wide.

How fast does it take a tornado to form?

Tornado formation can happen very quickly, often within minutes, when the right atmospheric conditions come together. However, the exact amount of time it takes for a tornado to form can vary depending on the specific conditions present in the storm.