Pittsburgh braces for a significant winter storm, with heavy snowfall and frigid temperatures expected. The National Weather Service has issued a Winter Storm Warning for areas south of Allegheny County and a Winter Weather Advisory for the county and others to the north. This warning is in effect from 1 p.m. onwards, with the storm expected to bring between two and four inches of snow to most of the Pittsburgh area, and up to 10 inches in the ridges. The snow will be accompanied by sub-zero temperatures and strong gusts, creating hazardous conditions. Road crews are preparing, but PennDOT is urging residents to stay off the roads to avoid congestion and ensure safe travel. The Pittsburgh region has received a weekend blast of winter weather, with the heaviest snowfall expected south of the city. KDKA-TV's Shelley Bortz provides real-time updates from the Mobile Weather Lab, highlighting the impact of the snow on roads. The forecast predicts a steady, widespread snow event, tapering from northwest to southeast, with lingering flurries and snow showers. Lake-effect snow showers are expected to increase in coverage after sunrise, impacting the I-80 to Route 422 corridors and potentially reaching the Pittsburgh metro area. A lake-effect snow warning has been issued for Mercer and Venango counties. The weather conditions will lead to low temperatures and negative wind chills. The article also explores the snow-related nostalgia of different generations, with a focus on the frequency of significant snowfall in Pittsburgh. Historically, snowfalls of 12 inches or more occur about once every 15 years. The National Weather Service records are referenced to support this claim. The winter storm system is expected to bring significant snowfall to western Pennsylvania this weekend, with estimates of 3 to 5 inches for much of the area and 5 to 10 inches for the ridges.
