A powerful storm turns the sky an eerie green in South Dakota

The US state of South Dakota witnessed a highly unusual phenomenon after its skies took on an ominous green appearance on Tuesday.

Experts say the phenomenon was caused by a windstorm called “derecho,” which is associated with fast-moving showers or thunderstorms.

The powerful storm extended more than 240 miles and moved across South Dakota and other parts of the Plains, according to the US National Weather Service (NWS).

The NWS defines this windstorm as a long-lasting, widespread, straight-line storm that typically does not have twists and turns like tornadoes or hurricanes. Unlike other tropical storms, these are rare. The change in colors could be attributed to the way atmospheric particles interact with and scatter sunlight.

“You need a huge amount of water in the cloud to get this color, which usually means a substantial amount of ice (large hail) must be present! NWS meteorologist Dr. Cory Martin explained to Times Now.

The unusual sight surprised South Dakotans, storm chasers and netizens and several of them took to social media to share the images of the eerie green sky.

“Green Sky is all of a sudden in South Dakota USA,” one Twitter user wrote along with several images. “Let’s go green tonight as a mighty derecho sweeps through Sioux Falls in South Dakota with damaging winds and hailstone photo taken by Jaden,” wrote another.

In one of the videos circulating on social media, a person could be heard comparing the dramatic scenes to those of the popular series Stranger Things.

According to Peter Rogers, meteorologist at the Sioux Falls Weather Service office, it’s not uncommon for the sky to turn completely black, purple or red before or during a storm. But the sky turning green is a rare event.

“I think it caught a lot of people’s attention because the sky had this very unique green color. Due to the unique color it featured, I guess it will probably be a talking point for quite a long time. time,” Rogers told The New York Times.

Wind and rain from Tropical Storm Andrea battered the Florida coast near Gulfport, Florida on Thursday. Reuters/Steve Nesius

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