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Tropical Depression 13 Forms, Likely to Stay out to Sea

There’s a brand new tropical depression in the eastern Atlantic Ocean, but for now, it appears it won’t impact land.

Tropical Depression 13 formed on Monday afternoon EDT just west of the Cabo Verde Islands off the west coast of Africa, developing in an area typical in September for tropical cultivation in the Atlantic basin.


Fortunately, however, the current forecast track for T.D. 13 takes it northwest and well away from land. It’s expected to hook into the east-central Atlantic Ocean and into an area of higher wind shear, which is likely to prevent rapid intensification. That said, the National Hurricane Center (NHC) forecast calls for it to develop into a Tropical Storm on Tuesday, which would give it a name (Lisa). Impacts are expected to primarily be for shipping lanes before it fizzles out perhaps as soon as this weekend.
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Further off towards the west, Tropical Storm Karl is churning northeast of the Lesser Antilles, but it too is expected to stay out to sea, although the archipelago of Bermuda may feel impacts this weekend. Karl appears to be the storm of the two active Atlantic systems to watch for, as it’s expected to become a hurricane later this week and make a close pass to Bermuda. The East Coast of the U.S. may also feel some higher surf from the storm this weekend and early next week.


Although significant land impacts aren’t expected with T.D. 13 and perhaps Karl, both storms are part of an overall active season-to-date in the Atlantic basin. If T.D. 13 does become Tropical Storm Lisa, as forecast, it would become the first “L”-named storm since 2013 – or the first time the Atlantic basin has reached 12 or more named storms in three years. More so, even with the climatological peak of hurricane season just passing on September 10th, late September and October can produce plenty of tropical activity, as recently evidenced with Hurricane Sandy’s destructive power in October 2012 and Hurricane Gonzalo in 2014.

Stay with WeatherNation through the rest of tropical season, which in the Atlantic basin officially runs through November 30th.

For WeatherNation: Meteorologist Chris Bianchi

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