Overview
- FlightAware reported more than 7,400 delays and over 610 cancellations by Sunday afternoon as the system disrupted operations nationwide.
- FAA-confirmed ground stops and rescheduling hit major hubs including Chicago O’Hare and Atlanta Hartsfield-Jackson, with Charlotte also logging heavy delays.
- The National Weather Service projected up to 60 centimeters of snow in high elevations and 5–20 centimeters in cities across the Rockies, northern Plains and Midwest.
- More than eight million people in the Pacific Northwest faced flood advisories tied to successive atmospheric rivers, with the heaviest rain threat extending into midweek.
- Authorities reported a storm-related death in Washington state after a tree struck a vehicle, as NWS warned some mountain passes in Colorado and Utah could be dangerous or impossible to drive.