Tropical Storm Sebastien became the eighteenth named storm of the 2019 Atlantic Basin Hurricane Season on Tuesday. The storm slowly strengthened throughout the week, hitting a peak of 60 mph winds as it moved eastward. A cold front moving through the Atlantic has changed the wind flow around the storm, pushing it to the east with weakening. Wind estimates are now around 50 mph.
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Gratefully, the storm is expected to stay out over the open waters with minimal impacts to land. A gradual increase in strength is expected, although cooler water temperatures and some dry air aloft will keep the storm under hurricane status. A front moving in from the west will likely absorb Sebastien, transitioning it to a post or extratropical cyclone on Friday.
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Sebastien is number 18 on the list of Atlantic names for the season. That puts 2019 well above average for the number of named storms.
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