How to create realistic rain on a film set

So, you have a script that calls for rain. What’s next?

The first thing is typically a location scout with your special effects person. This will let them get an idea of the scope of what you’re looking for.

It will also give them a chance to plan out logistics like the closest water source or where we can park a crane.

Rain rigs vary widely and all have their unique applications and spatial requirements.

Goose Drowner (not pictured)

The smallest and most basic is a rain wand. Also called a “Goose Drowner”, it’s a 3/4” pipe with a small rain nozzle on the end. It’s small enough that it can often be run off of a garden hose at a residential location.

Rain towers

The next step up is a rain tower. This 20’ tall tripod hosts a 1.5” rain head which covers a 180 degree, 20 foot semicircle. Fed by a fire hose, these towers can be combined to cover larger areas. These are the most commonly used piece of rain equipment.

Antler Rig

Getting slightly bigger, we have what’s called an “ antler” rig. This system attaches to a boom lift and is held above the set. It covers a 30’x 50’ area with rain. The antler rig works particularly well in intersections and city streets, but has many other useful applications.

Crane Rain Bar

When you have a really big area to cover, there’s the crane rain bar. These come in various sizes from 60’ up to 100’ and they cover a 40 - 50’ wide x 100' long area.

They require a large crane and operator and usually 2 or more water trucks, as they can output 800 gallons per minute.

Water Trucks

Where does all the water come from? Most often, we use industry-specific, 4000 gallon water trucks. Equipped with large pumps, they can get large amounts of water with adjustable pressure settings to meet the need.

Sometimes we will use several trucks, one going to refill while the other pumps for the shot.

Water Buffalos

For smaller applications, there are “water buffalos”. These 500 gallon trailers have a gas powered pump and can drive 1 or 2 rain stands for a very short time.

Lastly, collaboration with other departments is key!

Lighting can make or break your rain effect. Where the light is coming from does matter.

Your DP and Gaffer should know the ins and outs of lighting rain, but we’re always happy to provide some pointers.