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.
- Stewart
- Stewart Island
- Stewart, James
- Stewart, Martha
- Stewart, Payne
- Stewart, Potter
- Stewart, Rod
- stewartry
- Stewart, Sir Jackie
- stewbum
- stewed
- stewing
- stew in one's own juice
- stewpot
- St. Ex.
- STF
- stf.
- stg
- stge.
- St George's
- St George's Channel
- St George's colors
- St George's colours
- St George's cross
- St George's Day