Detail this asset from Unity Store: Original Link
This is a paid asset, but now you can download Winter Shader Pack Free.
Winter Shaders v1.2.5
Winter Shader Pack contains 4 Standard Surface Shaders with snow accumulation and vertex deformation.
* Snow Accumulation with Vertex Deformation
* Snow Diffuse and Normal Textures
* Snow Wetness
* Standard Diffuse, Normal Map and Occlusion Textures
* Individual Specular and Glossiness control for primary texture and snow textures
* Fixed, Edge and Distance Tessellation with Phong Smoothing
* Custom ShaderGUI for each shader
* 4 – Snow Accumulation Shaders (1 Standard Surface Shader, 3 Standard Surface Shaders with Tessellation)
* 4 – Demo Materials each setup for the different type of shaders in this pack
* 4 – Custom ShaderGUI scripts to control each shader in the Unity Editor
* 2 – Snow Textures
* 2 – Snow Normal Maps
* Snow Accumulation Script to show you how to modify the shader values via script
* Dragon 3D Model in FBX format with Albedo, Normal Map, and Occlusion textures
* DX9 and DX11 Demo Scene with UI controls for shader
* DX11 shaders fallback to DX9 shader if DX11 not available
* Stationary Camera Orbit Script
Snow Cover Standard Shader uses Shader Model 3.0
All three Snow Cover Tessellation Shaders use Shader Model 4.6
This is our first release of this pack. We plan to add more features and variations in the future.