Skies turn green in South Dakota
Social media users posted stunning footage of the ‘derecho’ effect
Skies over Sioux Falls, South Dakota turned an eerie shade of green on Tuesday night as a strong storm known as a ‘derecho’ rolled through the state. Onlookers posted videos and photos on social media showcasing the unusual weather phenomenon.
According to the National Oceanic and Atmospheric Administration, a derecho is a “widespread, long-lived wind storm associated with a band of rapidly moving showers or thunderstorms.”
One such storm passed through South Dakota and its neighboring states on Tuesday, with tornado-like winds reaching speeds of up to 160kph. Before the storm hit, it caused the skies to turn a shade of green, which was captured by both onlookers and traffic cameras.
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