flash flooding
Definition
A rapid and localized surge of water, typically occurring within six hours—and often within three—of heavy rainfall, a dam failure, or the sudden melting of snow and ice.
A hazardous hydrological event characterized by a violent, high-volume flow of water through low-lying areas, canyons, or urban streets that catches people and infrastructure off guard.
Examples
My morning commute turned into an impromptu kayaking expedition thanks to the sudden flash flooding on Main Street.
The weatherman promised a light drizzle, but the streets outside have decided to recreate Atlantis through flash flooding.
Experts warn that flash flooding is the kind of neighborhood surprise that definitely doesn't include cake or confetti.
If your car starts floating toward the horizon, you have successfully identified the core physics of flash flooding.