Several inches of a wintry mix of sleet and snow were forecast to fall over North Texas between Thursday and Friday. This marks the first winter storm of the season. Snow in Dalla

North Texans awoke to snow, sleet and the ever-elusive "thundersleet" Thursday morning as a storm unleashed a mix of wintry precipitation in the region. Thundersleet occurs when thunder rumbles while sleet,

Snow and ice and snow are accumulating on bridges and overpasses of major highways, according to TxDOT. Motorists should drive with caution and expect traffic delays.