Polar Vortex on LI

The National Weather Service said strong winds and black ice posed problems for motorists and other commuters during the early Tuesday rush hour. The service also said Tuesday that a daily record low of 9 was reached at about 6 a.m. at Long Island MacArthur Airport in Ronkonkoma, breaking the previous mark of 13 set in 1988. Videojournalists: Ed Betz and James Carbone (Jan. 7, 2014)