"a strong rain" is correct and usable in written English.
You can use it when you want to describe a heavy downpour. Example sentence: The dark clouds hung in the sky and soon unleashed a strong rain.
Though wet leaves are definitely an open invitation to mildew, a strong rain can wash the spores off the leaves (if not smashing their stems).
The lavas are influenced by a strong rain shadow with mean annual precipitation (MAP) averaging 160 mm near the coast and rising to >3000 mm near the summit.
The high levels of pre-production plastics in 2010 were apparently caused by leakages in the pipe system of a plastic producer and by a strong rain event, during which pellets were washed into the Danube [135 137].
Outside, a strong rain fell. .
Too many holes can result in a strong "rain shower" rather than a gentle one.
My kids' tree house is filled with their excrement; we need a good strong rain to wash it away.
Following a second strong rain event on February 19th (12 1 p.m).
Especially during strong rain events, a considerable amount of water is washed in from nearby fields and villages carrying along soil constituents, pesticides, fertilizers, rubbish etc.
So make sure to pack an umbrella that can withstand strong rain and wind.
Strong Rain Falling is a great read to close out the summer.
The cause for the onset of this climate change is thought to be due to the development of a strong Andean rain shadow associated with the uplift of the Andes to mean elevations > 2 km.
