The Atlantic hurricane season lasts until November 30.
It is now about 425 miles south-southwest of the Cabo Verde Islands with sustained winds of 40 mph, and is moving west-northwest at 16 mph. Tropical-storm-force winds extend outward from the center up to 35 miles (56 kilometers) to the northwest.
No coastal watches or warnings were in effect for either storm.
The latest forecast says Kirk was moving west near 14 miles per hour and a westward to west- northwestward motion at a similar forward speed is expected to continue through tonight. By the middle of next week, strong upper-level winds are likely to limit additional development as the system turns northward and moves closer to the southeastern coast of the United States.
"Since the system should be moving over warmer waters and through low vertical shear for the next day or so, some strengthening is anticipated into early this weak", forecasters said. They expect Kirk will track quickly westward over the next few days far from land. On Sept. 7, a tropical depression formed in the eastern Atlantic, about 500 miles west of the Cape Verde Islands.
A non-tropical low pressure system is located about 1000 miles west-southwest of the Azores. Leslie is not expected to hang around for very long - a new low, one that could become a named storm itself - is forecast to develop north of Leslie and absorb the storm.
Meanwhile, elsewhere in the Atlantic, sub-Tropical Storm Leslie formed in the North Atlantic Ocean and is "forecast to be a short-lived cyclone", said the NHC. This system could get a boost by Monday as the strong upper- level winds that are now keeping it at bay are expected to diminish.
More than a week after Hurricane Florence made landfall in the Carolinas, at least 44 people have died.
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