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Tropics Update: TD 11 Forms, Atlantic Gets Busier

4 Aug 2017, 5:27 pm

Here at WeatherNation we’re always watching the tropics for you and we have some updates to tell you about. Tropical Depression Eleven has formed in the Pacific Ocean. It is not a threat to land. Meanwhile in the Atlantic, there are two areas that have a decent chance of becoming the next tropical depression or storm.

The orange circled area is the tropical wave closer to the United States. It is a disorganized tropical wave right now with no immediate signs of forming. However next week it may gain enough strength in the western Caribbean or Bay of Campeche to become a depression/storm. This circled area has a technical name, it’s referred to as Invest 90L. That means the National Hurricane Center is investigating and monitoring this tropical wave.

Forecast models for Invest 90L take the center of the tropical wave into the Western Caribbean this weekend and toward the southern Gulf of Mexico by Wednesday the 9th. At this time the storm is not a threat to the Lower 48, however should still be monitored because of its expected proximity to the Gulf.

The other tropical wave you should keep an eye on is Invest 99L. This one is much further from us in the U.S. however is steadily moving west-northwest with a higher chance of developing into the season’s next depression or storm. When that could happen is really any time, however it appears more likely by early this week (Mon-Tue) the storm may move into conditions more favorable for development. Through Wednesday the forecast models move this wave toward the Lesser Antilles. Beyond that, some weather models make the storm stronger and some keep it weaker. When this happens the differing models usually come into agreement in a few days. So be sure to check back in to get further details on all the tropical activity that’s out there. In the meantime if you live in a hurricane-prone area, make sure your kits/plans are all set to go as we are entering the peak of hurricane season over the next 45 days.

For WeatherNation, Meteorologist Steve Glazier

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