Big Trouble for Air Travelers this Evening

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As of this writing, there are delays of 30 minutes or more at the following airports:
  • Washington, Reagan
  • Newark
  • JFK
  • LaGuardia 
  • Philadelphia
  • San Francisco
  • Baltimore
  • Washington, Dulles
  • Atlanta
  • Montreal
There are also 15 minute delays at Charlotte.

There is one airport notably missing: O'Hare. O'Hare will likely be on the list before sunset.

A severe thunderstorm watch has just been issued for the Chicago area until 10pm CDT:

Right now, radar at 4:04pm CDT shows a line of thunderstorms (derecho, actually, but I don't want to get into the definitional argument) heading right for Chicagoland. Yes, those are three tornado warnings (red polygons) on the leading edge. If you have a plane change in Chicago this evening (including Midway) and you haven't boarded yet, you might want to look into a reroute.

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