Fog, snow and wind threatened to hamper one of the U.S.'s busiest travel holidays of the year. At both Dallas-Fort Worth International Airport towers radio communications were disrupted early Monday.
Flights in and out of Dallas were delayed by as much of an hour. Airport spokesman Ken Capps said in an e-mail that the problems was repaired at both towers after about 30 minutes.
The outage, at about 7 a.m., affected both incoming and outgoing flights, according to the Federal Aviation Administration's Air Traffic Control System Command Center. The FAA declared a "ground stop," which cuts incoming flights by holding planes on the ground.
In Atlanta, fog reduced visibility across the metro area to a quarter-mile (400 meters) and delayed flights by as much as 30 minutes during the morning rush.
The FAA said flights bound for New York's LaGuardia International Airport and Chicago's O'Hare International Airport were experiencing delays of more than an hour.
While temperatures in New York hovered around 40 degrees (4.4 C) Monday morning, the National Weather Services predicted that steady rain could turn to snow. The area was also experiencing winds of 21 mph (34 kph), with gusts of 26 mph (42 kph).
Meteorologists in the Midwest eyed weather fronts that could bring an onslaught of snow and cold that could snarl air traffic at O'Hare. Rain was expected to turn to wet snow Wednesday night, just before thousands board flights out of town or pass through one of the nation's busiest travel hubs.
Weather and wind were cited for delays in Newark, New Jersey, and Philadelphia.
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