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'Impressive waterspout' spotted by residents near Destin, Florida

Waterspouts destin Florida: Multiple large waterspouts were spotted Tuesday morning off the Emerald Coast, and several people took to social media to share videos and photos.

Storms off Destin produced a large waterspout just offshore, according to the National Weather Service, Mobile. The storm seemed to be moving parallel to the coast off Miramar Beach.

The Weather Service cautioned boaters to use caution this morning since other storms could also produce waterspouts.

How waterspouts form

To understand the conditions needed to form a waterspout, according to the National Weather Service, you've got to understand vorticity, or an area of localized spin.

For vorticity to occur, winds from opposing directions have to meet over a small area — or you have increasing winds come from any direction.

"For example, a wind out of the west at the coastline and a wind out of the east 5 miles offshore would form a pool of vorticity in the immediate vicinity of the coast," the NWS Mobile location in Alabama said on Twitter.

There's usually a boundary between the two winds, and the stronger the winds are, the stronger the vorticity is, NWS Mobile said.

Next up, you need a wind shift, where the wind will change directions in a short period of time.

Then you add the water. A shower or storm in the area means there will be an updraft that can continue to feed "warm, moist air into the storm to develop [or] maintain the cumulus or cumulonimbus cloud," NWS Mobile said.

"This updraft can also act to pull any surface vorticity upwards if strong enough and located over a region of vorticity," NWS Mobile said. "If the vorticity is sufficiently stretched and likewise tightened up, then a waterspout can be formed. Think about an ice skater lifting their arms as they spin, helping to speed up the rate at which they spin."

The waterspout in Destin was stronger than normal

Conditions in Destin, including 10 to 20 mph winds and intense thunderstorms, contributed to the "spectacular results" that dazzled many.

"Typically they are not as extreme as this one, but even weaker storms can generate waterspouts if the basic ingredients are present," NWS Mobile said.

And waterspouts don't just form over oceans. They're also known to form over lakes including the Great Lakes.
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