An estimated 100 million people are under some type of weather watch, warning or advisory on Wednesday ahead of the storm, the National Weather Service said.
The storm, expected to begin Friday and continue through the weekend, is also projected to bring heavy snow and all types of wintry precipitation, including freezing rain and sleet. An atmospheric river of moisture could be in place by the weekend, pulling precipitation across Texas and other states along the Gulf Coast and continuing across Georgia and the Carolinas, forecasters said.
The amount of ice — half an inch, or 1.27 centimeters — that can lead to a crippling ice storm, toppling trees and power lines to create widespread and long-lasting power outages. The latest forecasts from the National Weather Service warn of the potential for a half-inch of ice or more for many areas, including parts of Arkansas, Louisiana, Mississippi, Alabama, and Tennessee.
The number of major U.S. hub airports in the path of the southern storm this weekend, when ice, sleet and snow could delay passengers and cargo: Dallas-Fort Worth; Atlanta; Memphis, Tennessee, and Charlotte, North Carolina. Still more major airports on the East Coast could see delays later, as the storm barrels east.
The windchill value — how cold it feels to a person when winds are factored in — that is expected in parts of the Northern Plains, the weather service projects. That equates to minus 45.6 Celsius and is forecast for parts of northern Minnesota and North Dakota.
“When the weather forecast says, ‘feels like negative 34,’ it’s just a matter of covering skin and being prepared for it,” said Nils Anderson, who owns Duluth Gear Exchange, an outdoor equipment store in Duluth, Minnesota.
