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A tornado is a rapidly rotating column of air that is in contact with both the surface of the Earth and a cumulonimbus cloud or, in rare cases, the base of a cumulus cloud. They are often referred to as twisters, whirlwinds or cyclones, although the ..... A waterspout is defined by the National Weather Service as a tornado over ...


Twister News & Updates. Recent Site Updates. July 23, 2016 There was a massive power outage at the University on Friday and unfortunately I don't currently ...


Model Output Statistics (MOS) data provides information about the future surface weather conditions at a particular location in a textual matrix. Twister offers four ...


Text Data. Weather By State. Weather by State pages allow you to view all active text products issued by the National Weather Service for a particular state.


RAP, NAM, and GFS weather model data at the surface, 925, 850, 700, 500, 300, 250, and 200 mb. View forecast soundings, hodographs, CAPE, CIN, LCL ...


At this time, we currently offer weather products produced by the NAM (212), GFS , and Rapid Refresh model with plans to add additional models in the near ...


May 19, 2017 ... A tornado tears through Toluca, Mexico. The president of Toluca says the twister destroyed several homes in the area.


Mar 1, 2017 ... Amazing video of twister touching down in Washburn, Illinois.


May 8, 2016 ... A huge tornado swirling in the Colorado sky was captured on video.