Supercell thunderstorm over rural New Mexico, USA. Time-lapse footage of a supercell thunderstorm, a severe long-lived storm within which the wind speed and direction changes with height. This produces a strong rotating updraft of warm air, known as a mesocyclone, and a separate downdraft of cold air. Tornadoes may form in the mesocyclone, in which case the storm is classified as a tornadic supercell thunderstorm. The storms also produce torrential rain and hail. Footage filmed in New Mexico, USA, in the period 23-25 May 2014.
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