Rare March storm roars across the U.S., spawning blizzards, tornado threats and travel chaos

A historic March storm is delivering a Midwest blizzard along with East Coast severe weather, triggering tornado watches/warnings, widespread power outages, and massive travel disruption. Cancellations and delays at major airports pile up (thousands canceled, tens of thousands delayed) as ground stops and storm bands ripple from the Midwest to the Southeast and Mid-Atlantic. Forecasters warn of damaging winds, possible tornadoes, and dangerous travel conditions across a broad swath of the country as the system unfolds.