Tropical Storm Arthur is the first named storm of the Atlantic hurricane season. Photo courtesy NOAA

June 17 (UPI) -- Tropical Storm Arthur -- the first named storm of the Atlantic hurricane season -- formed along the Texas coast Wednesday.

The eye of the storm was about 40 miles east-northeast of O'Connor, Texas, and 190 miles west-southwest of Lake Charles, La., the National Hurricane Center said in its 10 a.m. CDT update. The storm had maximum sustained winds of 40 mph and was moving northeast at 9 mph.

There was a tropical storm warning in effect along the coast from High Island, Texas, to Morgan City, La., and a tropical storm watch from Sargent, Texas, to High Island.

"On the forecast track, the low pressure area should move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight," the NHC said.