I just got an email from my Daughter who teaches in Tulsa. Her husband phoned at 1:30 and told her to go home. She said she almost slid off the road twice.
Fortunately she made it home OK. along with their children.
For sure ... it is slick out there, as I just came back from picking someone up at school. It would have been better driving if four inches of snow had been dumped on us — instead of the sequence of rain, freezing rain, sleet, snow pellets and then snow ...