June 28 (Bloomberg) -- Severe thunderstorms, 1-inch-diameter hail and wind gusts as intense as 70 miles (112 kilometers) per hour are likely to sweep New York and much of the U.S. Northeast today, the National Weather Service said.
The storm could produce “supercell” thunderstorms, as well as scattered tornados, according to the weather service. The watch lasts until 8 p.m. in most areas.
“This is a dangerous storm,” the agency said in a bulletin at about 1:30 New York time. “If you are in its path prepare immediately for damaging winds, destructive hail and deadly cloud-to-ground lightning.”
The watch stretches from northern Virginia to southern New Hampshire and also includes Boston, Philadelphia, Baltimore, Washington and Newark, New Jersey, according to the weather service.
The storm has delayed some air traffic as long as 45 minutes at Washington’s Reagan National Airport and as long as one hour at Dulles International, according to the Federal Aviation Administration’s website.
Continental Airlines Inc., the biggest carrier at New Jersey’s Newark Liberty International Airport, canceled about 20 flights there because of the storms, said Andrew Ferraro, a spokesman for the airline.
Delta Air Lines Inc., the world’s largest carrier, has canceled only six flights in the New York area because of the storms, said a spokesman, Anthony Black. The company also operates a shuttle between Boston, New York and Washington and those flights are running normally, he said.
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