Clouds generate strange texture scrolling artifacts as time of day changes

At certain times of day and regardless of any specific lighting settings, changing the lightings ClockTime / time of day across specific time windows will cause clouds to generate scrolling visual artifacts.

I do not notice this issue with a the escape menu graphics quality set to under 3, but it is present at every level above it.

To repro the video above, open a brand new place (ctrl + n), and run the following code

local lighting = game:GetService("Lighting")
local tweenService = game:GetService("TweenService")

local clouds = Instance.new("Clouds")
clouds.Cover = 0.7
clouds.Parent = workspace.Terrain

local info = TweenInfo.new(10, Enum.EasingStyle.Linear)

while true do
	lighting.ClockTime = 5	
	
	local tween = tweenService:Create(lighting, info, {ClockTime = 8})		
	tween:Play()
	tween.Completed:Wait()
end
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Thanks for the report! I filed a ticket in our internal database and we’ll follow up when we have an update for you.

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