Tropical Storm Arlene — the first of the 2017 Atlantic hurricane season — formed on Thursday, according to the National Hurricane Center.
The storm system formed earlier in the week and was upgraded to a tropical storm on Thursday.
According to the Atlantic Oceanographic and Meteorological Laboratory, there was only one April tropical cyclone recorded in the Atlantic from 1851 to 2016.
As of 6 p.m. Thursday, the storm was spotted about 815 miles west of the Azores with maximum sustained winds of 45 mph, according to the National Hurricane Center.
The storm is projected to head north and will not be a threat to land, according to AccuWeather meteorologists. The system is expected to dissipate Friday, and no coastal watches or warnings are in effect.
The 2017 Atlantic hurricane season officials runs from June 1 to Nov. 30.