When a nor'easter comes up the Mystic Valley the wind gets a running start off the lakes, and by midnight the Parkway is a white tunnel. Jason Anthony Corp works straight through it: plowing driveways and lots, snow blowing and shoveling walks, opening a path to the mailbox and the car door, spreading de-icer where the plow's edge left a sheet behind. Storms here rarely land as one clean drop — snow, then rain, then a freeze that welds everything down, so the timing of a pass matters as much as the pass itself. Medford's driveways are tight and its curb cuts are tighter, which suits a fast, close-working operation. Morning comes, the street is passable, and that is all anyone wanted.