1. A violent, sudden squall or thunderstorm occurring in tropical regions, especially in the Pacific Ocean near Mexico and Central America.
Usage: nautical; regional

Examples

• The ship's crew prepared for a chubasco as dark clouds gathered on the horizon.
• Sailors in the Pacific know to watch for sudden chubascos during the summer months.
• The chubasco brought heavy rain and strong winds that lasted only a few minutes.
• Local fishermen are experienced in navigating through a chubasco.
• The weather forecast warned of a possible chubasco in the Gulf of California.