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What level hurricane was tropical storm Allison?
Tropical storm Allision was never a hurricane, only a tropical storm. To be a hurricane, a storm must have sustained winds of at least 74 mph. Allison's winds never got above 60 mph.
What is the catergory of hurricane Allison?
Allison was a tropical storm and never became a Hurricane. At peak intensity Tropical Storm Allison had winds of 60 mph. A storm needs winds of at least 74 mph to be a hurricane.
Is a tropical storm first a tropical depression then a hurricane?
The progression of increasing strength is: Tropical depression (under 39 mph winds) Tropical storm (39-73 mph winds) Hurricane (winds 74 mph or higher)
A tropical system with winds of 64 mph is a?
tropical storm or hurricane
What level storm was hurricane Allison?
Tropical storm Allision was never a hurricane, only a tropical storm. To be a hurricane, a storm must have sustained winds of at least 74 mph. Allison's winds never got above 60 mph.
What is the mileage of a tropical storm to turn into a hurricane?
A tropical storm becomes a hurricane when sustained winds reach 74 mph or more.
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.
What is a hurricane before it's classified as a hurricane?
A tropical storm, which has maximum sustained winds of 39-73 mph. Below tropical storm intensity is a tropical depression, with winds of 38 mph or less.
What type of storm is a hurricane before it is classified as a hurricane?
A tropical cyclone is classified as a hurricane once it reaches sustained wind speeds of 74 mph or higher. Before that, it is known as a tropical depression (winds less than 39 mph) and then a tropical storm (winds between 39-73 mph).
What is a fierce tropical storm with high winds and heavy rains called?
A fierce tropical storm with high winds and heavy rains is called a hurricane.
What is the difference between a tropical depression and a tropical storm and a hurricane?
A tropical depression is a tropical cyclone with sustained winds under 39 mph. A tropical storm one with sustained winds from 39 mph to 73 mph. A hurricane is a tropical cyclone with sustained winds of 74 mph or greater.
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.
