how fast are hurricanes
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Fast Facts on Hurricanes Tropical depressions have maximum sustained wind speeds of 38 mph or less -- stronger tropical storms have maximum sustained wind speeds from 39 to 73 mph. When wind speeds reach 74 mph or more, the storm is upgraded to a hurricane.
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-   It first made landfall on August 25, 2005 in South Florida, as a category 1 hurricane. It had wind speeds of 80mph. It made its' second landfall as a Category 4 hurrica … ne near Buras-Triumph, Louisiana with 145 mph winds. This happened on August 28th.
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Hurricane Katrina Category Five hurricanes are the largest and most destructive. These hurricanes have wind speeds of over 130 miles per hour and a surge of more than 5.5 meters above normal water levels. Hurricane Katrina was a Category Five storm. This scale also takes the amount of probable damage into consideration.
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What is the difference between a tornado, a cyclone, a hurricane, a typhoon and a storm? HURRICANE. 1  As the storm crosses a speed of 119 kmph, it is termed as a Hurricane. 2  The term “Hurricane” is used in the Atlantic, Caribbean Sea, central and northeast Pacific. 3  Hurricanes can be as wide as 100 kms and can last for a few days. 4  The East Coast of the US is heavily impacted by hurricanes than the West Coast.
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- A hurricane's rotational speed must be at least 74mph(120km/h) to be called a hurricane, anything less and it is a tropical storm or depression. A hurricane can travel from a stationary position to speeds in excess of 70 mph depending on the upper level steering current winds. Most move about 15-30 mph.
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Nautical & Sailing Terms & Nomenclature In order to be classified as a hurricane, a tropical cyclone must have maximum sustained winds of at least 74 mph (33 m/s); 74 mph (64 kn; 119 km/h). The highest classification in the scale, Category 5, is reserved for storms with winds exceeding 155 mph (69 m/s); 155 mph (135 kn; 249 km/h).torm Classification. The Saffir–Simpson Hurricane Scale is a classification used for some Western Hemisphere tropical cyclones that exceed the intensities of tropical depressions and tropical storms. The scale divides hurricanes into five categories distinguished by the intensities of their sustained winds.
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Fun Tornado Facts At least 74 miles (118) an hour. In fact, a storm isn't called a hurricane until it's winds reach the speed. Around the center of the hurricane the winds may reach speeds as high as 150 miles (240 km) an hour. Only the mighty winds of a tornado blow faster and harder.
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- The Saffir-Simpson Wind Scale is a categorical classification of hurricanes based on their wind speed, used by the U.S. government's National Hurricane Center. To qualify as a Category 5 hurricane on the Saffir-Simpson hurricane intensity scale, maximum sustained winds must exceed 155 mph (135 kt).
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What is the highest hurricane wind speed? To be classified as a hurricane, a tropical cyclone must have sustained winds of over 74 mph (119 kph). According to the Saffir-Simpson scale, the wind speeds by category are: Category 1: 74-95 mph (119-153 kph). Category 2: 96-110 mph (154-177 kph).
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Nautical & Sailing Terms & Nomenclature To be classified as a hurricane, a tropical cyclone must have maximum sustained winds of at least 74 mph (33 m/s; 64 kn; 119 km/h) (Category 1). The highest classification in the scale, Category 5, is reserved for storms with winds exceeding 156 mph (70 m/s; 136 kn; 251 km/h).ropical cyclones of Category 3 and higher are described as major hurricanes in the Atlantic or Eastern Pacific basins. These storms can cause some structural damage to small residences and utility buildings, particularly those of wood frame or manufactured materials with minor curtain wall failures.
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List of United States hurricanes List of United States hurricanes. The list of United States hurricanes includes all tropical cyclones officially recorded to have produced sustained winds of greater than 74 mph (118 km/h) in the United States, which is the minimum threshold for hurricane intensity.
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- A hurricane or typhoon (sometimes simply referred to as a tropical cyclone, as opposed to a depression or storm) is a system with sustained winds of at least 34 metres per second (66 kn) or 74 miles per hour (119 km/h).
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How Strong Can a Hurricane Get? (A typhoon is the same thing as a hurricane, just in a different part of the world.). There are known records for wind speeds that outstrip anything ever measured in a hurricane. The fastest regular wind that's widely agreed upon was 231 mph, recorded at Mount Washington, New Hampshire, on April 12, 1934.
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Tropical cyclone A hurricane or typhoon (sometimes simply referred to as a tropical cyclone, as opposed to a depression or storm) is a system with sustained winds of at least 34 metres per second (66 kn) or 74 miles per hour (119 km/h).t the center of a mature tropical cyclone, air sinks rather than rises. For a sufficiently strong storm, air may sink over a layer deep enough to suppress cloud formation, thereby creating a clear  eye . Weather in the eye is normally calm and free of clouds, although the sea may be extremely violent.
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Fast Facts on Hurricanes In a Category 4 hurricane, like August's Hurricane Katrina, wind speeds range from 131 to 155 mph. Large trees are blown down, beaches suffer major erosion, and roofs, windows and doors are often blown off structures. Escape routes can be cut by floodwaters three to five hours before the hurricane center arrives.
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What Is a Hurricane? - Definition and Formation Mr. Raines explained that a hurricane is a tropical storm with constant winds of 74 miles per hour or greater. He then told Timmy that hurricanes can be enormous storms, stretching 600 miles across, and that they can last more than a week when they are located over warm ocean waters.esson Summary. Let's review, a hurricane is a tropical storm with constant winds of 74 miles per hour or greater. Hurricanes spin due to the Coriolis Force. This is a phenomena created by the rotation of the earth that causes free moving objects, such as the wind, to move to the right or left.
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How Do Hurricanes Form? A hurricane is a huge storm! It can be up to 600 miles across and have strong winds spiraling inward and upward at speeds of 75 to 200 mph. Each hurricane usually lasts for over a week, moving 10-20 miles per hour over the open ocean.Hurricanes gather heat and energy through contact with warm ocean waters. hurricane is a huge storm! It can be up to 600 miles across and have strong winds spiraling inward and upward at speeds of 75 to 200 mph. Each hurricane usually lasts for over a week, moving 10-20 miles per hour over the open ocean. Hurricanes gather heat and energy through contact with warm ocean waters.
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- (Hurricane) had been the highest point on the scale, referring to a sustained wind speed of 64 knots (32.7 metres per second) or more – that is, the wind speed averaged over a period of 10 minutes. The additional five points extended the scale to 118 knots (61.2 metres per second), with Force 12 referring.
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Hurricanes and Tropical Storms Affecting Belize Since 1930 The storm had maximum sustained winds of 90 miles (150 kilometers) per hour. The storm was moving toward the northwest at about 28 miles (44 kilometers) per hour.
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- Technical Materials, October, 2015: 1  Budget Summary Table. 2  Payments to Social Security Trust Funds. 3  Supplemental Security Income Program.  Limitation on Administrative 1  Expenses. Office of the Inspector General.  Annual Performance Plan and Annual Performance Report.
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Explain hurricanes to kids: How do storms form and what damage can they cause? A tropical storm has a wind speed of up to 73 mph, but winds greater than 74 mph are classified as hurricanes. Hurricanes can then be classified into five different categories based on, again, their wind speed.
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- Hurricane conditions (sustained winds of 74 mph or higher) are expected in the. specified area of the warning, but the warning is called 36 hours before the expected. arrival of the tropical storm winds (sustained winds of 39 to 73 mph). I ntroductIon Hurricanes are the most severe of all tropical cyclones and have great potential for widespread destruction in Hawai‘i. This was demonstrated in 1982 by Hurricane Iwa and in 1992 by Hurricane Iniki. Total damages in Hawai‘i from Iwa were estimated at $250 million and from Iniki at $2.4 billion.
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- A hurricane with maximum sustained wind speeds exceeding 249 km/h is referred to as Category 5. A wind gust of 318 mph was measured by Doppler radar during a tornado in Moore, Oklahoma, in 1999. However, Doppler records are not considered official.
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- A key difficulty with using even nuclear explosives to modify hurricanes is the amount of energy required. A fully developed hurricane can release heat energy at a rate of 5 to 20 x 1013 watts and converts less than 10% of the heat into the mechanical energy of the wind. The heat release is equivalent to a 10-megaton nuclear bomb exploding every 20 minutes.
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Wind Shear Tutorial Most instances of rapid intensification of hurricanes occur when the wind shear is 10 knots or less. However, large and powerful hurricanes can be resistant to shear values as high as 40 knots, as demonstrated by Hurricane Wilma (Figure 1).
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List of New York hurricanes CATEGORY 1 HURRICANE: A tropical storm with winds of 39-73 mph becomes a hurricane when it's winds near the center reach 74 mph. The storm surge is generally 4-5 feet above normal. Damage is mostly to trees and shrubbery, with no real building damage. Average wind speed for a cat. 1 is 74-95mph.