How scientists track Hurricane Florence with a 'forecast cone'

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But how exactly do scientists know how close the storm is and where it’s headed?

Every few hours, the National Hurricane Center (NHC) releases updated information regarding the storm’s location and projected path by using the NHC’s “forecast cone.”

The cone “is trying to take in some of the uncertainty and show all areas of risk,” Joel Cline, a meteorologist and tropical storm coordinator with the National Oceanic and Atmospheric Administration (NOAA), told Fox News on Tuesday.

“Instead of showing a single, definitive line of a track, the cone takes care of two-thirds of the possible track,” he said.

In other words, scientists recognize that their predictions may not be 100 percent accurate and are subject to change.

Cline used the analogy of a ball and a velcro mitt to explain how the accuracy of meteorologists’ forecasts improve as the storm gets closer. The ball has a greater chance of hitting and sticking to the center of the mitt when the thrower gets closer to the catcher. The same is true when predicting the path of tropical storms.

“Things [can be] uncertain, especially this far out. But as it gets closer, the certainty gets better,” he said. “Our odds of being able to determine the place of impact is greater as the storm gets closer.”

To develop a forecast cone, scientists look at a variety of models that determine the path the storm will most likely take.

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September 12, 2018

Sources: Fox

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