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Tropical Storm Seymour Develops in Eastern Pacific

The 18th named storm of the Eastern Pacific’s 2016 hurricane season developed on Sunday afternoon as Tropical Storm Seymour was officially named off the coast of Mexico.

Spinning about 400 miles off the western Mexican coastline, Seymour is unlikely to have any direct United States weather impacts, but it will have to be monitored for possible impacts in Mexico next weekend or perhaps early next week, although that potential remains highly uncertain.


The storm is heading to the West, steering it away from the Mexican coastline. The current National Hurricane Center (NHC) forecast (below) calls for Seymour to strengthen into a hurricane later this week over the open waters of the Pacific Ocean, but the storm may try and hook back towards the Baja California peninsula later this week. Again, that forecast remains highly uncertain.


Overall, Seymour’s development marks the 18th named storm of the Eastern Pacific hurricane season, which puts it well above the 1981-2010 average of 14 named storms. If Seymour develops into a hurricane, as currently forecast, that would make it the 11th of the season, also well above the Eastern Pacific 30-year average of eight.

The Atlantic basin remains calm after Hurricane Nicole’s dissipation late last week and the fizzling of Invest-99L, though the Atlantic is also above average with 15 named storms and six hurricanes, slightly above 30-year normals of 12 named storms and six hurricanes, respectively.

atlantic season

Stay with WeatherNation for the latest on Seymour and the tropics.

For WeatherNation: Meteorologist Chris Bianchi

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