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What is a subtropical cyclone?
A subtropical cyclone is a cyclone that has both tropical and extratropical characteristics.
Is a mid-latitude cyclone a tropical storm?
No. Such a storm is called and extratropical low.
What are extratropical cyclones and tropical cyclones?
extratropical cyclone is frontal depressions both with cold front and warm front air masses
Can a cyclone occur in Texas?
Yes. Texas can be affected by both tropical and extratropical cyclones.
Can you prevent a cyclone and why?
No, there is no effective way of stopping a cyclone. Humans do not have the resources to stop or prevent something so large and so powerful, whether it is a tropical, or extratropical cyclone.
Is there going to be a cyclone this year?
There have already been many cyclones this year, both tropical and extratropical, and there will almost certainly be more.
Why did Hurricane Sandy status chang to Tropical Cyclone?
The system actually started out as a tropical cyclone, which is what a hurricane is. Its status was changed to a post-tropical cyclone, which may also be called an extratropical cyclone. A tropical cyclone has a warm core, is powered by convection of warm, moist air, and is generally not associated with fronts. An extratropical cyclone has a cold core, is driven by temperature contrasts, and is connected to fronts. As Hurricane Sandy moved north into a relatively cold environment, it began to lose its tropical charcteristics. The collision of its tropical air with colder air led to the formation of fronts. This was aided by the storm interacting with a cold front to the west, connected with a different system. This process took several days, and was complete shortly before Sandy made landfall in New Jersey.
How can a hurricane strengthen over cold water such as Hurricane Sandy in October of 2012?
As Hurricane Sandy was moving up the U.S. east coast it was undergoing something called extratropical transition, meaning it was losing the characteristics that defined it as a tropical cyclone (a hurricane or tropical storm) and was becoming an extratropical cyclone. Extratropical cyclones gain their energy from contrasting air temperatures rather than from warm ocean water. This temperature contrast was provided by a cold front connected to another extratropical cyclone that collided with Sandy. Sandy had completed extratropical transition by the time of landfall in New Jersey and so technically was no longer a hurricane.
When is a hurricane considered a tropical storm and what are all the different types a storm a hurricane can turn into?
A hurricane cannot be a tropical storm as by definition a tropical storm is weaker than a hurricane. A tropical storm is a tropical cyclone with winds of 39-73 mph. Only when winds reach 74 mph or greater is the storm considered a hurricane. A hurricane can weaken into a tropical storm and from there into a tropical depression (winds under 39 mph). A tropical storm or depression may also degenerate into a remnant low, which is too disorganized to be considered a tropical cyclone. A tropical cyclone (hurricane, tropical storm, or tropical depression) may also become an extratropical cyclone after moving over land or cold water. Around the world hurricanes have different names. In the northwest Pacific ocean they are called typhoons, In the Indian ocean they are called intense tropical cyclones, and in the south Pacific they are simply called cyclones. However, these are just different names for essentially the same kind of storm.
Does a cyclone start at the water?
Not necessarily. Although tropical cyclones can only form over warm ocean water, extratropical cyclones can form over land.
Why was hurricane sandy a super storm?
At landfall in the U.S. Sandy was not truly a hurricane any more as the storm had lost its tropical characteristics. For much of the time that it was active Sandy combined traits of a tropical and an extratropical cyclone, becoming a sort of extremely large and powerful hybrid cyclone.
Is there a way to detect a cyclone before it happens?
Yes. It is fairly easy to spot the precursors to cyclones, both tropical and extratropical, via satellite and surface measurements. However, sometimes it can be difficult to determine if such a precursor will develop into a cyclone or not.
