UPDATE: 5:13PM. Reader Mark in the comments notes that DIA has well-marked tornado shelters. This has been previously noted on the blog.
UPDATE: 2:52PM. The wind measuring equipment clocked a gust of 84 knots = 97 mph. Here is a photo of the tornado via Twitter.
UPDATE: 2:42PM MDT: The tornado was on the ground from
UPDATE 2:29PM MDT. The circulation has taken a more northerly path and it is in the general vicinity of the center of the airport. The DIA web cam is off the air. The circulation is where the bright green and pink come together.
UPDATE: They can see the tornado from the airport's weather station. It touched down at 2:21pm.
Strong tornado indication in the wind velocity data (circled). Radar time: 2:15pm MDT.
The hook echo is circled and the storm is moving the direction of the pink arrow. Its current movement will take it across the southeast part of the runway complex.