While it’s too early to make a call, weather models are in agreement that gradual development of the second system is likely. With maximum sustained winds of only 40 mph, Omar is a minimal tropical storm. The second, offshore of the River Gambie and west of Senegal in Africa, was moving into a more favorable environment, and had a 60 percent chance. Though no tropical systems are imminent for the East Coast, the pattern could become a bit hairy for folks along the Eastern Seaboard in the coming weeks. pic.twitter.com/MUhkQJ2shX. (CNN)Tropical Depression Fifteen strengthened slightly Tuesday afternoon and the National Hurricane Center upgraded it to Tropical Storm Omar. Eventually, it will become swept up in a broader area of disturbed weather. Because Nana is small, it’s susceptible to pulses in intensity. The previous record for the earliest named "O" storm was Ophelia, which was named on September 7, 2005. Image: NHC . The National Hurricane Center said Nana made landfall early this morning between Dangriga and Placencia as a Category 1 hurricane with 75 mph winds. And we have a long way to go before the season draws to a close. A widespread 3 to 5 inches of rain, with lesser amounts to the northeast, is possible near where Nana’s center makes landfall in Belize. Other than increased surf and rip current risk along the North Carolina coast, Omar will not have any impacts to land. An Air Force Reserve Hurricane Hunter aircraft crew flew into Nana as it took shape south of Jamaica, recording maximum sustained winds of 85 km/h with higher gusts. The remainder of coastal Belize is under a tropical storm warning and a hurricane watch. The tropical storm duo of Nana and Omar formed on Sept. 1, the official halfway point to hurricane season, yet the climatological peak of activity isn’t until Sept. 15. Nana was moving west at 30 km/h on a path that could damage Central America on Wednesday and Thursday. Despite the system only having about 36 hours before moving into Belize, the conditions are favorable for at least modest strengthening and the hurricane center is predicting that Nana will become a Category 1 hurricane before making landfall early Thursday. Box 500 Station A Toronto, ON Canada, M5W 1E6. Tropical Storm Omar formed off the U.S. East Coast on Tuesday as Tropical Storm Nana approached the coast of Central America, the U.S. National Hurricane Center reported. This hurricane season is poised to have the most named storms of all time, breaking the record set in 2005. Tropical Storm Nana Audience Relations, CBC P.O. He is an avid storm chaser and adventurer, and covers all types of weather, climate science, and astronomy.