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Tropical storms gain energy from evaporation from warm ocean water. If the water is warm enough and there is little wind shear to interfere with a storm's development then it will intensify. When sutained winds reach 74 mph the storm is classified as a category 1 hurricane. When winds reach 156 mph the storm is classified as a category 5 hurricane.
What else can I help you with?
Hurricane formation from weakest to strongest?
A hurricane will start as a Tropical Wave. It then becomes a Tropical Depression. A TD is given a number but not a name. Once the TD reaches 39 mile per hour winds its given a name and becomes a Tropical Storm. After reaching 74 mile per hour winds it becomes a hurricane.
What category did Hurricane Katrina start out as?
Hurricane Katrina started out as a tropical depression, as most hurricanes do, then strengthened to a tropical storm and then a category 1 hurricane. Nor hurricane ever actually starts at hurricane intensity, and they have to go through category 1 to get to the other categories.
What hurricane has an area of low pressure that has no circulation?
If a storm does not have a circulation, then it is not a hurricane. Such a storm system that might become a hurricane is called a tropical disturbance.
When winds exceed 93 miles per hour what does a tropical depression become?
A speed of 93 miles per hour has no significance in tropical systems. At 74 miles per hour a tropical storm becomes a category 1 hurricane. At 96 miles per hour a hurricane is considered to be a category 2.
What was name of the first hurricane in the year 2008?
The first named storm was Ana (tropical storm); the first hurricane was Bill.
Hurricane formation from weakest to strongest?
A hurricane will start as a Tropical Wave. It then becomes a Tropical Depression. A TD is given a number but not a name. Once the TD reaches 39 mile per hour winds its given a name and becomes a Tropical Storm. After reaching 74 mile per hour winds it becomes a hurricane.
What category is hurricane Fey in?
Hurricane Fey would be categorized as a tropical storm.
What category was hurricane Pablo?
Pablo never became a hurricane. It was only ever a tropical storm.
What category hurricane was Fay?
Fay never became a hurricane. It was a tropical storm that fell just short of hurricane status
Who decides hurricane or tropical storm?
The category of the storm - depends on the wind speed, and barometric pressure reading.
What category did Hurricane Katrina start out as?
Hurricane Katrina started out as a tropical depression, as most hurricanes do, then strengthened to a tropical storm and then a category 1 hurricane. Nor hurricane ever actually starts at hurricane intensity, and they have to go through category 1 to get to the other categories.
What was the storm sandy classified as hurricane or a tropical storm?
Sandy was a hurricane for most of its time, peaking as a category 2 hurricane before striking Cuba. At landfall in the U.S. Sandy was still at hurricane intensity but had transitioned into a post-tropical cyclone.
Was there ever a tropical storm or hurricane Elaine?
Yes. There was a Tropical Storm Elaine in the Atlantic Ocean in September of 1974.
What hurricane has an area of low pressure that has no circulation?
If a storm does not have a circulation, then it is not a hurricane. Such a storm system that might become a hurricane is called a tropical disturbance.
At what speed does a tropical storm become a hurricane?
A tropical storm becomes a hurricane when its sustained winds reach or exceed 74 mph (119 km/h). This increase in wind speed marks the transition from a tropical storm to a hurricane on the Saffir-Simpson Hurricane Wind Scale.
When winds exceed 93 miles per hour what does a tropical depression become?
A speed of 93 miles per hour has no significance in tropical systems. At 74 miles per hour a tropical storm becomes a category 1 hurricane. At 96 miles per hour a hurricane is considered to be a category 2.
What was name of the first hurricane in the year 2008?
The first named storm was Ana (tropical storm); the first hurricane was Bill.
