flash flood 
noun
A sudden local flood, typically due to heavy rain.Some supercells produce little rain, others, downpours that can cause flash floods....
- Heavy rain and flash floods on Monday brought misery to thousands across Britain, but yesterday it seemed the worst was over for Yorkshire for the time being.
- Long dry periods are often broken by heavy rains and flash floods.
- north
- north-about
- North Africa
- North African
- Northallerton
- North America
- North American
- North American English
- North American Free Trade Agreement
- North American Indian
- Northampton
- Northamptonshire
- force-out
- force play
- force protection
- forceps
- force pump
- forcer
- force-ripe
- for certain
- force someone out
- force someone's hand
- force something down
- force something on/upon
- force the bidding