<p>A timelapse video taken near Great Bend, Kansas, on May 26 shows a shelf cloud moving overhead, darkening the sky. Kansas City Airport was briefly evacuated</a> on May 26 due to tornado warnings. Intense storms in the region were forecast for Friday, May 27, the National Weather Service said</a>, and flash flood warnings are in effect.</p><p>The video was uploaded by Near Zero Probability Chasers, a group of thuderstorm and tornado chasers, largely based in Canada. Credit: YouTube/NZP Chasers</p>
