With the ground too dry to absorb the intense rainfall, which exceeded 400 litres per square metre in many areas and reached up to 600 litres in some, the torrential overnight downpours on Tuesday led to devastating flash floods. With the ground too dry to absorb the intense rainfall, which exceeded 400 litres per square metre in many areas and reached up to 600 litres in some, the torrential overnight downpours on Tuesday led to devastating flash floods.