A snowstorm in mid-December, shown from the Fort Pitt Bridge facing Downtown. (Justin Vellucci | TribLive)
Subzero wind chills have prompted the National Weather Service to issue a cold weather advisory covering the Pittsburgh area that will be in effect from 9 p.m. Monday to noon Tuesday.
In the Pittsburgh metro area, the windchill Monday night is expected to reach 10 below zero, the requirement for an advisory to be issued, meteorologist Matt Brudy said…