Hurricane Norman combined with a weather front to cause significant impacts across California in early September 1978. The fourteenth named storm, eleventh hurricane, and sixth major hurricane of the 1978 Pacific season, Norman originated from an African tropical wave that spawned an area of disturbed weather south of Acapulco. The system coalesced into a tropical depression on August 30 and thrived amid favorable environmental conditions, becoming a powerful Category 4 hurricane with winds of 140 mph (220 km/h) at its peak intensity. The system curved northward, passing into cooler waters that brought an end to its status as a tropical cyclone on September 6. However, its remnants combined with an trough and front over California, contributing to locally heavy rainfall that caused dozens