Tuesday's winter wonderland in Southeast Texas is taking on a new, uglier form thanks to an overnight hard freeze rendering roads and walkways treacherously slick.  Snow melt from Winter Storm Enzo, which dropped more than 5 inches of snow in isolated areas around Houston,

Chief meteorologist Jonathan Novack, Sharron and Idolina are encouraging everyone to stay safe this morning as black ice coats local roadways. We're seeing a lot of accidents Wednesday morning with a lot of vehicles stuck on roadways in below-freezing temperatures.

Black ice is an invisible cold weather danger, but how does it form and how can you protect yourself when walking and driving?