There were 609 flights deferred starting around 8 p.m. as indicated by the flight following site FlightAwaremost of which were on Southwest and Joined Carriers.Showing up flights are deferred as long as 30 minutes because of wind, This was accounted for by the Government Avionics Organization.The Public Weather conditions Administration has given a serious tempest cautioning for the air terminal and portions of Adams and Arapahoe regions, with wrap blasts up to 60 mph and pea-sized hail conceivable until 8:30 p.m.This is a creating story and might be refreshed.Get more Colorado news by pursuing our Mile High Gathering email bulletin.