Overview
- More than 10,000 U.S. flights were canceled on Sunday, with weekend cancellations topping 13,000 and major disruptions at airports serving Washington, Philadelphia, New York and Dallas, according to FlightAware and Cirium.
- Power outages climbed past 800,000 by late Sunday morning, led by Tennessee with roughly a quarter million affected and six-figure outages reported in Texas, Louisiana and Mississippi, outage trackers reported.
- The storm’s reach spans roughly 2,000 miles from the southern Rockies to New England, with heavy snow across the Ohio Valley and Northeast and dangerous ice from the Lower Mississippi Valley into the Mid-Atlantic and Southeast.
- The National Weather Service warned of long-duration hazards including refreezing, extensive tree damage and prolonged outages, with snow totals up to 18 inches in parts of New England and half-inch ice accretions in hardest-hit southern zones.
- Emergency declarations expanded across many states as FEMA pre-positioned supplies and teams, and the Department of Energy issued emergency orders enabling ERCOT and PJM to dispatch additional power resources during the cold blast.