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Tornadoes require very strong, rotating thunderstorms called supercells to form. A number of factors usually have to converge for these storms to produce tornadoes.
- A collision of air masses of very different temperature and/or humidity usually with at least one of the air masses being very warm. The northeast does not see this sort of collisions as often as Tornado Alley and is generally not as warm.
- A "cap" or layer of stable air in the upper atmosphere. This holds back thunderstorm development, but sometimes allows instability to build up under it so that if thunderstorms do break through it they will be very powerful. This cap is often weaker over the northeast so storm development is not so explosive.
- Wind shear is a condition where wind changes speed and/or direction with altitude. This can do two things for a thunderstorm. First it can tilt the storm, separating the updraft, allowing the storm to become more powerful and last longer. Second, wind shear is what actually gives a thunderstorm the rotating that makes it a supercell. It is this same rotation that can develop into a tornado. Wind shear is weaker of the the northeast.
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Are hurricanes and tornadoes related to each other?
Not really. While it is not uncommon for a hurricane to produce tornadoes, most tornadoes are the product of mid-latitude storm systems that have nothing to do with hurricanes.
What happens if a hurricane join a tornado?
Not much out of the ordinary. It is not uncommon for hurricanes to produce tornadoes.
Do tornadoes always move east?
Usually they move east or northeast but not always. A tornado can move in any direction.
Does ohio get tornadoes?
Yes. Tornadoes are not uncommon in Ohio, and contrary to what some believe, no location is "protected." Modern records, which date back to 1950, show that at least one tornado has hit Zanesville.
When are Cyclones Hurricanes Typhoons and Tornadoes most likely to occur?
Cyclones are a broad category of storm systems that include hurricanes and typhoons and occur at all times of storm. Hurricanes and typhoons are essentially the same kind of storm only caller hurricanes in the north Atlantic and northeast Pacific and are called typhoons in the northwest Pacific Ocean. North Atlantic hurricanes mostly occur in June-November. Northeast Pacific hurricanes mostly occur May-November. Typhoons typically occur April-January. Tornadoes are most common in the months of April-June
Do tornadoes move north to south?
A tornado can move in any direction, but the most common direction of travel is southwest to northeast. Southeast-moving tornadoes are not uncommon.
Are there tornadoes in the southwest?
Yes. Tornadoes are not uncommon in the southwest.
Does North have tornadoes?
Yes. Tornadoes are not uncommon in North Carolina.
Do tornadoes occur in the Middle West?
Yes. Tornadoes are not uncommon in the midwest.
Does North Carolina have tornadoes?
Yes. Tornadoes are not uncommon in North Carolina.
What direction do tornadoes travel?
Northeast
Do you get tornadoes in England?
Yes. Very weak tornadoes are actually not uncommon in England.
Were there any tornadoes in Britain?
Yes. Weak tornadoes are actually not uncommon in Britain.
What direction do tornadoes usall travel?
Most tornadoes travel from southwest to northeast.
How often does Illinois get tornadoes?
Yes. Tornadoes are not uncommon in Illinois.
What is the reationship between hurricanes and tornadoes?
It is not uncommon for hurricanes to produce tornadoes when they make landfall.
Have tornadoes struck South Africa before?
Yes. Tornadoes are not uncommon in South Africa.
