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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 is the US is prone to severe weather such as tornadoes and hurricanes?

Many parts of the world are prone to some form of violent weather. Hurricanes regularly affect the United States because it borders the waters of the Gulf of Mexico and tropical portions of the Atlantic Ocean, whose warm waters provide power to hurricanes. A large clockwise air circulation over the Atlantic will sometimes move hurricanes from the tropics up the U.S. East Coast.

The portion of the U.S. between the Rockies and the Appalachians is particularly prone to tornadoes because of frequent collisions of warm moist air from the Gulf of Mexico, cool air from Canada and, in areas further west, dry air from the Rockies. These collisions can produce strong thunderstorms. With wind shear that often accompanies springtime storm systems these thunderstorms can start rotating, which allows them to produce tornadoes.

Why are the tornado sirens going off today?

Two reasons: 1) There is a tornado in the area, if so you should take cover in either the lowest level of your house or a central room without any windows (a closet or bathroom is your best option) 2) The siren is being tested, this normally occurs at noon on the first Wednesday of the month. If you don't know which it is, check the weather in your area.

What happens if a tornado hits a car?

The car would be taken up in the air and destroyed and if your in the car then the chances of living is moderate

How do tornadoes form in cyclones?

Cyclones generate thunderstorms by various means, either by themselves being large convective systems, such as in tropical cyclones (hurricanes etc.) or, more commonly, in the fronts generated by mid-latitude cyclones. The thunderstorms generated along fronts tend to be stronger than those that are not, and a stronger storm is more likely to produce a tornado. Wind shear affecting these storms can set them rotating. This rotation within the thunderstorms can then produce tornadoes.

How are tornadoes associated with hurricanes?

It is fairly common for the outer storm bands of a hurricane to produce tornadoes, though most tornadoes are not a product of hurricanes.

What are the wind conditions for a a tornado?

Tornadoes form during thunderstorms that occur when there is strong difference, meaning a significant difference between winds at low and high levels. The thunderstorm has updraft (upward moving air) and downdraft (downward moving air) regions. The tornado forms in a rotating part of the updraft called a mesocyclone. A downdraft wraps around the mesocyclone, causing it to tighten and intensify into a tornado.

How many continents have tornadoes?

Six of the seven continents get tornadoes. The only one that doesn't is Antarctica.

Did tornadoes occur before the 1800s and did the Indians get affected?

Yes, tornadoes have occurred long before people were around. They affected Native Americans in the same way they affect us - settlements were destroyed and people killed. But they wouldn't have been affected as severely because they didn't have anything near the infrastructure to damage that we do, and some of them were more nomadic and simply moved to a different location.

What US state is both a part of tornado alley and a major hurricane landfall area?

That state would be Texas - although the parts of the state that get hurricanes and the part that is in tornado alley are rather far apart. The Gulf coast gets hurricanes. Tornado alley stretches down into the upper part of Texas near Oklahoma. Fortunately the two areas are hundreds of miles apart. Unfortunately hurricanes have been known to spawn some tornadoes so that even areas that are not part of tornado alley may get tornadoes in connection with a hurricane.

What should you do to protect yourself during a tornado flood or hurricane?

During a flood go to high ground or an upper floor of the building you are in. If you are driving and encounter flooded streets, turn around; don't drown. You cannot always tell how deep the water is or how strong the current is and it does not take much to wash a car away.

The procedure for a hurricane is similar to that of a flood, as flooding is the main danger. Get to an upper story or a structure on high ground. Stay inside and avoid windows.

If a tornado threatens get to a basement or storm cellar. If none is available get to an interior room or hall on the lowest floor of a sturdy house or building. Stay away from windows.

What are blizzards hurricanes and tornadoes?

A blizzard is a strong winter storm characterized by blowing snow, winds of at least 35 mph, and visibility of less than 1/4 mile. To be considered a blizzard, these conditions must persist for at lest 3 hours.

A hurricane is an intense tropical cyclone with sustained winds of at least 74 mph. Hurricanes are organized, rotating storm systems that develop over warm ocean water. They are characterized by powerful winds, torrential rain organized into spiral bands, large waves, a storm surge, and a calm center called an eye.

A tornado is a violently rotating column of air extending from the base of a thunderstorm to the ground. Most tornadoes have a visible funnel and often a dust or debris cloud. Compared to other storms, tornadoes are small and short-lived, but very intense. The strongest tornadoes produce the fastest winds on Earth, capable of exceeding 300 mph.

Is there such thing as an EF6 tornado?

No, the maximum rating is EF5. The primary factor in rating a tornado is damage, and since EF5 damage is total destruction there is no room for a higher category. Also, there is no upper bound for EF5 winds; any tornado with estimated winds over 200 mph is an EF5.

How do tornados hurt people?

Most injuries/fatalities from tornadoes are caused by flying debris striking people. The other way is unfortunately when the tornado catches people in the open and can literally pick them off the ground and they are severely injured/killed again by debris or being tossed back to the ground.

Do both tornadoes and hurricanes form from high pressure systems?

No. Like most forms of violent weather, hurricanes and tornadoes are associated with low pressure.

Which is more dangerous tornadoes or wildfires?

Wildfires... they can spread over huge areas of land. Tornadoes are usually very 'localised' systems often only covering a few yards across.

How preparing for earthquakes and tornadoes could minimize the damage from these two natural disasters?

In many earthquake-prone areas, structures are built to withstand the shaking of earthquakes, which makes them far less likely to be badly damaged or destroyed. Fewer such methods have been employed against tornadoes. Efforts against tornadoes have focused primarily on keeping people safe from physical harm, and much less attention is paid to protecting property. Home houses are built stronger and many have hurricane ties, which make it harder for a tornado to tear off the roof. Most forms of tornado preparedness involve getting warnings out and telling people what places are safest.

How large are super cell thunderstorms that produce tornadoes?

A supercell may be in the range of 20 to 30 miles across. Some are larger.

Are there tornadoes in waco texas?

Yes there is tornadoes in Texas because some parts of Texas are in tornadoes alley.🌪

Is Frisco Texas in tornado alley?

Yes. Frisco is just south of the Oklahoma state line, which puts it in Tornado Alley.

Do tornadoes and hurricanes often occur together?

Yes. While most tornadoes are the result of other types of storm system, it is fairly common for a hurricane to spawn tornadoes.

Why would a metal shack be unsafe in the desert?

Metal absorbs quite a bit of solar radiation on sunny days. This builds up heat in the interior of the building, turning it into an oven. This is not unlike a car parked in the sun. The temperature inside of the car can quickly rise to dangerous levels.

Why do sandstorms occur mostly in the spring?

Dust storms are most likely to occur on hot summer days under certain atmospheric conditions, so meteorologists can frequently predict the possibility of these storms. The last recorded devastating sandstorm in American history was the Dust Bowl which caused the depression. One that occurred near Tucson, Arizona, on July 16, 1971, was extensively documented by meteorologists.

Field observations, accompanied by trapping of airborne solids, showed that in Israel most of the sand and dust storms occur in the fall and winter seasons when dry periods change to periods of wet weather.

In Kuwait, the month of April is known as 'sandstorm month'. Sandstorms that come from Northern Africa and drift across Europe are called 'Sahara Sand Storms'.