flash flood
US /ˈflæʃ flʌd/
UK /ˈflæʃ flʌd/

1.
banjir bandang
a sudden local flood, typically due to heavy rain
:
•
The desert area was hit by a severe flash flood.
Daerah gurun dilanda banjir bandang yang parah.
•
Residents were warned about the possibility of a flash flood after continuous heavy rainfall.
Warga diperingatkan tentang kemungkinan banjir bandang setelah hujan lebat terus-menerus.