A major winter storm is expected to impact Philadelphia and parts of Pennsylvania, with blizzard warnings now in effect. Snowfall totals have increased in forecasts, predicting between 12 to 20 inches across the region, prompting the city to declare a snow emergency. Schools and offices are switching to virtual operations, while SEPTA issues service advisories ahead of the storm. Travel restrictions are being implemented statewide as heavy snowfall develops. Municipalities across Pennsylvania and New Jersey have declared snow emergencies in preparation for what could be one of the biggest snowstorms in recent years.