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A tropical storm becomes a hurricane when suatined winds reach 74 mph (119km/h).

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Q: How fast does the wind of a tropical storm have to go before it is an hurricane?
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How fast does it have to be spinning to quality as a Hurricane?

Hurricanes begin as tropical disturbances in warm ocean waters with surface temperatures of at least 80 degrees Fahrenheit. These low pressure systems are fed by energy from the warm seas. If a storm achieves wind speeds of 38 miles an hour, it becomes known as a tropical depression. A tropical depression becomes a tropical storm, and is given a name, when its sustained wind speeds top 39 miles an hour. When a storm's sustained wind speeds reach 74 miles an hour it becomes a hurricane and earns a category rating of 1 to 5 on the Saffir-Simpson scale.The Saffir-Simpson scale was developed in 1971 and until 2008 and Hurricane Ike, used to be a measure of both wind speed and storm surge. Hurricane Ike measured at a category 2 on the Saffir-Simpson scale, but it's storm surge at landfall was at a level to match a category 4 storm. It was felt that many may have underestimated the need to evacuate based on the storms category 2 rating so for the 2009 hurricane season the scale was revamped to measure only wind speed. The storm surge will now be estimated by location.The Saffir-Simpson Wind Scale:Category One Hurricane (Sustained winds 74-95 mph)Category Two Hurricane (Sustained winds 96-110 mph)Category Three Hurricane (Sustained winds 111-130 mph)Category Four Hurricane (Sustained winds 131-155 mph)Category Five Hurricane (Sustained winds greater than 155 mph)


Why it is calm at the center of a tropical depression?

It generally isn't. It is calm at the center of a hurricane, in a part called the eye, which a tropical depression does not have. In a hurricane the winds spin very rapidly about the center, getting stronger as yo go further in. Eventually you rach the eye wall, where the strongest winds occur. Here the wind is rotating about the center so fast that it gannot go further in, thus creating a calm area at the center of the storm.


What is in the middle of a hurricane?

The eye of a hurricane is still because as something rotates inertia will tend to make it more out ins a straight line, the faster it rotates and the smaller the circle it rotates in, the stronger this tendency. In hurricane the winds speed up as the spiral inwards until they are moving too fast for the low pressure at the center to pull them in further.


How fast do a hurricanes winds rotate?

A tropical cyclone must have sustained winds of at least 74 mph to be considered a hurricane. The average hurricane probably has winds close to 100 mph. The fastest winds recorded in a hurricane were 190 mph, though there is evidence of wind just over 200 mph.


What are some hurricane facts?

· Hugo was a category 5 hurricane.· Guadeloupe, Montserrat, St. Croix, Puerto Rico, South Carolina, and North Carolina.· Hugo killed 109 people.· Hugo left nearly 100,000 people homeless.· Hugo formed on September 9th 1989.· Hug dissipated on September 25th 1989.· Hugo made $17.6 billion of damage.· Hugo developed from a tropical wave that moved off the coast of Africa.· The fastest Hugo went was at 160 mph.· Hugo was part of the 1989 hurricane season.· 3,000,000 people left their homes to safer places inland away from the storm's high winds, rain, and surge.

Related questions

How fast does a tropical storm go?

Tropical storm winds range are 39-73 mph.


What is an ocean storm?

It is also called HURRiCANE because of its fast wind and fast storm. its like "IPO-IPO "in Philippines a deadly "Super fast Wind " in any part of the world.


What are the interesting things about tropical storms?

They are fast winds, but defined as less swift than a hurricane


How fast does it have to be spinning to quality as a Hurricane?

Hurricanes begin as tropical disturbances in warm ocean waters with surface temperatures of at least 80 degrees Fahrenheit. These low pressure systems are fed by energy from the warm seas. If a storm achieves wind speeds of 38 miles an hour, it becomes known as a tropical depression. A tropical depression becomes a tropical storm, and is given a name, when its sustained wind speeds top 39 miles an hour. When a storm's sustained wind speeds reach 74 miles an hour it becomes a hurricane and earns a category rating of 1 to 5 on the Saffir-Simpson scale.The Saffir-Simpson scale was developed in 1971 and until 2008 and Hurricane Ike, used to be a measure of both wind speed and storm surge. Hurricane Ike measured at a category 2 on the Saffir-Simpson scale, but it's storm surge at landfall was at a level to match a category 4 storm. It was felt that many may have underestimated the need to evacuate based on the storms category 2 rating so for the 2009 hurricane season the scale was revamped to measure only wind speed. The storm surge will now be estimated by location.The Saffir-Simpson Wind Scale:Category One Hurricane (Sustained winds 74-95 mph)Category Two Hurricane (Sustained winds 96-110 mph)Category Three Hurricane (Sustained winds 111-130 mph)Category Four Hurricane (Sustained winds 131-155 mph)Category Five Hurricane (Sustained winds greater than 155 mph)


Why it is calm at the center of a tropical depression?

It generally isn't. It is calm at the center of a hurricane, in a part called the eye, which a tropical depression does not have. In a hurricane the winds spin very rapidly about the center, getting stronger as yo go further in. Eventually you rach the eye wall, where the strongest winds occur. Here the wind is rotating about the center so fast that it gannot go further in, thus creating a calm area at the center of the storm.


What is in the middle of a hurricane?

The eye of a hurricane is still because as something rotates inertia will tend to make it more out ins a straight line, the faster it rotates and the smaller the circle it rotates in, the stronger this tendency. In hurricane the winds speed up as the spiral inwards until they are moving too fast for the low pressure at the center to pull them in further.


How fast do a hurricanes winds rotate?

A tropical cyclone must have sustained winds of at least 74 mph to be considered a hurricane. The average hurricane probably has winds close to 100 mph. The fastest winds recorded in a hurricane were 190 mph, though there is evidence of wind just over 200 mph.


What are some hurricane facts?

· Hugo was a category 5 hurricane.· Guadeloupe, Montserrat, St. Croix, Puerto Rico, South Carolina, and North Carolina.· Hugo killed 109 people.· Hugo left nearly 100,000 people homeless.· Hugo formed on September 9th 1989.· Hug dissipated on September 25th 1989.· Hugo made $17.6 billion of damage.· Hugo developed from a tropical wave that moved off the coast of Africa.· The fastest Hugo went was at 160 mph.· Hugo was part of the 1989 hurricane season.· 3,000,000 people left their homes to safer places inland away from the storm's high winds, rain, and surge.


What type of damage can a hurricane cause?

Any answer will depend on the strength, speed and location of the storm relative to a large body of water. A powerful, slow, rain producing storm will cause a great deal more damage in coastal areas as opposed to a weakened, fast moving, low rainfall producing storm that has moved inland.


What are words you could use to describe a hurricane using all words in the alphabet?

hmm... Andrew bad blow battereis catastrophic cyclone damage davastaing eye eyewall evacuate exhilarating fast Florida flooding HURRICANE inside Katrina low-pressure system leaks ocean powerful rain wind radio storm surge shelter tropical storm typhoon tidal vehicle warm weather willy willy wind damage dats all i got


What does more damage a fast hurricane or a slow one?

Depends on what you mean by a fast or slow hurricane. In terms of forward speed, a slow-moving hurricane is generally more damaging, as areas in the path of the storm are hit by torrential rains for extended periods of time, resulting in very severe flooding. In terms of wind speed, hurricanes with faster winds are more destructive, though no hurricane has slow winds.


Are hurricanes and tornadoes two types of wind speeds?

No. Hurricanes and tornadoes are two different types of storm that produce fast winds, but they are not defined by wind speed alone. In many cases tornadoes and hurricanes produce winds in the same range of speed. A tornado is a violently rotating vortex of wind that is in contact with both the ground and a parent thunderstorm's cloud base. A hurricane is a tropical cyclone with sustained wind speeds of at least 74 miles per hour. Note that any wind of 74 mph or greater is considered "hurricane-force" but only in a tropical cyclone is it considered an actual hurricane.