unreal 4 - How to create smoke that spreads outward in all directions?

I saw many tutorials about smoke grenade but they just use volumetric smoke. I want to make something like the smoke grenade in PUBG, where the smoke spreads in all directions; how to do that?

The Unreal Engine 4 smoke grenade throws out smoke in a particular direction, like this:

But I want something more like PUBG's that spreads smoke evenly in all directions: