lessen (lessens 3rd person present) (lessening present participle) (lessened past tense & past participle) If something lessens or you lessen it, it becomes smaller in size, amount, degree, or importance.
A look back at Hurricane Camille. Hurricane Camille, the USA's second strongest 20th century hurricane, hit the Gulf Coast in 1969. Camille became a hurricane on Aug. 15, 1969 south of Cuba and began quickly growing that night as it moved into the Gulf of Mexico. look back at Hurricane Camille. Hurricane Camille, the USA's second strongest 20th century hurricane, hit the Gulf Coast in 1969. Camille became a hurricane on Aug. 15, 1969 south of Cuba and began quickly growing that night as it moved into the Gulf of Mexico.
Flash flooding, a rapid rise in water levels, can occur quickly due to intense rainfall over a relatively short period of time. As a weakened Hurricane Camille passed over the Virginias in 1969, it produced a burst of 12 to 20 inch rainfalls with local totals of up to 31 inches.