1. to restore or be restored to health. 2. (Medicine) (intr; often foll by over or up) (of a wound, burn, etc) to repair by natural processes, as by scar formation. 3. (Medicine) (tr) a. to treat (a wound, etc) by assisting in its natural repair. b. to cure (a disease or disorder)
Flash flood is an extreme type of flood that is categorized within the fast kinds of riverine floods. The âflashâ attached to the term refers to its rapid effect. This type of flood is found to be the result of the convective moisture from the air or waters, like rain and snow that fall from the sky.
The National. Weather Service defines a flash flood as âA rapid and extreme flow of high water into a normally. dry area, or a rapid rise in a stream or creek above a predetermine d flood level, beginning. within six hours of the causative event (e.g., intense rainfall, dam failure, ice jam).