They have put up an E4-B signals plane in the last hour.
E4-B is a 747-200 that serves as a “snoop” plane and data ops center.
Looks like that 1830 departure is a hard “go”.
Joe will never know if there is turbulence.
https://www.youtube.com/watch?v=TlfoIphZPJY&pp=ygURdGhvcmF6aW5lIHNodWZmbGU%3D
Maybe he'll forget to come back? (Sorry, couldn't resist.)