Spring may be almost here, but it might not feel like it for millions facing alerts for wintry weather, including heavy snow, possible tornadoes and high winds. More than half a million customers were without power early Monday as a wide-ranging pattern of severe weather spread across large parts of the country, according to poweroutage.us . Almost 30 million people are under winter alerts, including blizzard warnings extending into Michigan. More than 120 million people from the Mississippi