Simplify the following text for a Grade 10 native English-speaking person.
Original: The first tropical cyclone of the 2008 Atlantic hurricane season , the storm formed on May 30 from the interaction of two tropical waves and the remnants of the eastern Pacific Tropical Storm Alma , which had crossed into the western Caribbean Sea .
Simplified: Arthur was the first tropical storm of the 2008 Atlantic hurricane season . Arthur formed from the remains of dissipating Tropical Storm Alma which crossed Central America from the Pacific Ocean .