Complex sentence: While moving across Trinidad, Alma produced sustained winds of only 35 mph (56 km/h) at Piarco, yet gusts reached 91 mph (147 km/h) at Savonetta.
Split into simpler sentences: While moving across Trinidad, Alma produced sustained winds of only 35 mph (56 km/h) at Piarco. However, gusts reached 91 mph (147 km/h) at Savonetta.