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Can a tornado form without a thunderstorm?
No, tornadoes typically form within severe thunderstorms that have strong updrafts and rotating air. The intense vertical motion within a thunderstorm is necessary for creating the conditions that can lead to tornado formation.
What is a tornado advisory?
There is nothing that is specifically called a tornado advisory, but there are two types of advisory that relate to tornadoes. A tornado watch is issued if overall conditions in a region favor the formation of tornadoes. Meaning there is a risk, but not an imminent threat. A tornado warning is more serious. This means that a tornado has been spotted or detected, or that observations of a thunderstorm indicate that one is likely to form soon. Each of these advisories has a subcategory. A PDS tornado watch (particularly dangerous situation) indicates that a system is likely to produce strong tornadoes. A tornado emergency is an unofficial variety of tornado waring that indicates a large tornado is threatening a populated area and has the potential to cause major damage.
How do F5 tornadoes form from a F1 tornado?
An F5 tornado does not form directly from an F1 tornado. Tornado intensity is determined by the Enhanced Fujita Scale based on wind speeds and damage. It is possible for a tornado to rapidly intensify due to various atmospheric conditions, leading to an increase in intensity from an F1 to an F5 tornado.
A tornado would be examined in what discipline?
Since a tornado is a form of weather, it would be studied in the field of meteorology.
What exactly is a tornado and briefly explain how a tornado forms?
A tornado is a violent swirling funnel that usually happens in very intense thunderstorms. They form when thunderstorms start rotating due to interactions with wind shear. This rotation then tightens and intensifies to form a tornado.
A tornado warning means that a tornado is likely to form?
Partially. A tornado warning means that a tornado is likely to form or already has formed.
Is it true that a tornado warning means that a tornado might form?
No. A tornado warning means that a tornado is likely to form or has already been spotted.
When is a tornado most likely to erupt?
A tornado is most likely to form in the late afternoon or early evening.
Do super-cells form a tornado?
Yes. A supercell is the type of storm most likely to produce a tornado.
What is a difference between a tornado drill and a tornado warning?
A tornado drill is like a fire drill but for tornadoes: practice for the possibility of a tornado. A tornado warning means that a tornado has been detected or is likely to form soon.
Where and when is a tornado likely to happen?
A tornado is most likely to happen in the United States in a section called "Tornado Alley". This includes Oklahoma, Texas, Kansas, Nebraska, North and South Dakota, Florida, Missouri, and more. A tornado is likely to form between 3 pm. and 9 pm.
What is tornado valley?
Actually it is called tornado alley. It is the wide strip in the Midwest of the US where tornadoes are most likely to form.
If the national weather service puts out a tornado warning when is a tornado likely to strike?
A tornado warning means that a tornado has already been spotted or is likely to form in the next few minutes. The tornado may be only minutes away from your location, so if a tornado warning is issued, take cover immediately.
Is a tornado watch better than a tornado warning?
Yes. A tornado watch simply means that general conditions are favorable for tornadoes to form. A tornado warning means that a tornado has been detected or may form at any moment.
Is there a tornado watch right now?
No. A tornado watch means the general weather conditions are favorable for tornadoes. If a tornado has been sighted then a tornado warning is issued.
How likely is someone who lives in tornado alley experience a tornado?
Very likely.
Will tornadoes ever form in Vancouver?
Very likely, yes. Vancouver was hit by an F1 tornado in 2008.
