Cars and semi trucks crashed and slid off icy roads in Greenville, Mississippi, as a powerful ice storm created extremely dangerous travel conditions across the region. Officials urge drivers to stay off roads until conditions improve. #IceStorm #MississippiWeather #GreenvilleMS #IcyRoads #WinterStorm #RoadConditions #StormImpact #ExtremeWeather #TravelAlert #WeatherShorts