Tropical Storm versus Category 1 Hurricane: What’s the difference?

Video: What is the difference between a Tropical Storm and a Category 1 Hurricane?

ORLANDO, Fla. — Tropical Storm Isaias continues to move north along Florida’s coast. The storm was downgraded from a hurricane to a tropical storm Saturday afternoon.

But what’s the difference between a hurricane and a tropical storm?

First off, they are both tropical cyclones or a storm system that has generated over the warm tropical water.

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The difference between the two categories is the strength of the wind, or how strong the low pressure is, which drives the wind.

A storm is categorized as a tropical storm if its winds are between 39 and 72 mph. A tropical storm is upgraded to a category 1 hurricane once its winds reach 74 mph.

The maximum winds for a category 1 hurricane is 95 mph. After a storm reaches 95 mph it would be upgraded to a category 2 hurricane.

WATCH: Choppy surf in Volusia County as Tropical Storm Isaias moves up Florida coast