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A tropical depression is a line of rain showers and weak thunderstorms that circle around an area of low air pressure. If the water is at least 79°F, a hurricane...
A hurricane is a large rotating storm with high speed winds that forms over warm waters in tropical areas. Hurricanes have sustained winds of at least 74 miles per hour and an area of low air pressure in the center called the eye.
13 maj 2021 · Here's how tropical depressions compare to tropical storms and hurricanes, as well as what you can do to safeguard against their downpours.
11 wrz 2024 · Meteorologists have divided the development of a tropical cyclone into four stages: Tropical disturbance, tropical depression, tropical storm, and full-fledged tropical cyclone. Tropical disturbance. When the water vapor from the warm ocean condenses to form clouds, it releases its heat to the air.
19 paź 2023 · A storm with wind speeds of 61 kilometers (38 miles) an hour or less is classified as a tropical depression. It becomes a tropical storm—and is given a name, according to conventions determined by the World Meteorological Organization—when its sustained wind speeds top 63 kilometers (39 miles) an hour.
A tropical depression is defined by its organized convection and a low-pressure center with sustained wind speeds of 23 to 38 miles per hour. In contrast, a tropical storm has stronger winds ranging from 39 to 73 miles per hour.
In the Atlantic and Eastern Pacific, the Saffir-Simpson Hurricane Scale is used to describe hurricanes by their wind speed. Storms with winds less than 74 miles per hour are known as tropical storms. And if the wind speeds are less than 40 miles per hour, the storm is called a tropical depression.
