I just went to check the mail to find nothing, not even the post. Upon further investigation I found the mailbox ~10 feet away and the post ~6 ft away under a little snow.
The pole was snapped off at the base and split. This is no normal pole, it was a 6 inch thick hardwood trunk buried into the ground.
Since there was no car wreckage and given that it was sheared at the base, the bastard driving the snow plow must of got it.
Why the hell was he so far off the road? You can park a full size car between the mailbox and the road.