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There is some evidence that tornado frequency might be increasing but it is difficult to determine as with more advanced technology and greater knowledge of tornadoes we are now finding tornadoes that we would have previously missed.

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15y ago

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Why are tornadoes and cyclones increasing in recent years?

There is no real evidence that the number of cyclones or tornadoes is increasing outside of normal fluctuation. The apparent number has increased as advanced technology has made us better able to detect and identify storms, and fast communications means we hear about more events sooner.


Are tornadoes on the prairies increasing?

yes they are


True or false The allele for sickle cell anemia is slowly increasing in frequency in the US?

false


Is the occurrence of tornadoes seasonal?

The frequency of tornadoes varies with the seasons but they can occur at any time of year.


In the US which drug resistant lung infection is increasing in frequency due to homelessness and other diseases?

tuberculosis


Why do tornadoes occur more often in England than in the US?

They don't. The US has 40 times the number of tornadoes that England has, and they tend to be much more intense- less than 10% of English tornadoes are strong, 42% of US tornadoes are strong storms.


How does increasing the wave speed affect the frequency?

Assuming a constant wavelength, then increasing the wave speed will increase the frequency.


What affect if any does increasing the speed of the plunger have on the frequency of the waves?

Increasing the speed of the plunger will increase the frequency of the waves.


What percent of tornadoes in the world happen in the US?

The U.S. gets 75% of all recorded tornadoes. This is misleading however as many countries do not keep records of their tornadoes and the actual percentage of tornadoes for the U.S. is probably much smaller.


Where are hotspots for tornadoes?

Hotspots for tornadoes in the United States include Tornado Alley, which covers parts of Texas, Oklahoma, Kansas, and Nebraska, as well as Dixie Alley in the southeastern US. Other regions prone to tornadoes include parts of the Midwest and Great Plains. Tornadoes can also occur in other parts of the world, but with less frequency than in the central US.


Which us state has the most F4 and F5 tornadoes?

Oklahoma has had the most F4 and F5 tornadoes. Though it is tied with Texas, Iowa, and Alabama in terms of F5 tornadoes in the past 60 years.


Have scientists essentially ruled out global climate change as a cause of increased tornado frequency in the US?

No, they have not, but neither have they claimed that it is. There may be increased frequency of tornadoes but these may be a natural spike. Weather changes from year to year, some years colder and wetter than the the year before. This proves nothing about climate change, which takes more than several years to become clear.Overall, though, the number of tornadoes in the U.S. is not increasing in the long term. The apparent increase is mostly due to our improved ability to record and detect weak tornadoes. An analysis of tornado statistics shows that the average annual number of strong tornadoes in the U.S. has actually decreased in the past 50 years.

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