This problem was bragging me to remove optifine alot and i hate that, it's the only way to fix it and I will have to give you a screenshot of example. Please fix it! Thank you and good luck working on it.

SCREENSHOTS:

With Optifine (Lava and Water!)
A Huge Wind Storm (Wall cloud):

EF1 Tornado:

Without Optifine (No Bugs)
Wall cloud:

EF1 Tornado:
2016-08-31_09 16 04

I just hope you can fix it! Come on! Just fix it as early as you can! Since I hate having no OptiFine. (Huge FPS leak)

Fixed in commit 88b049e

New build out on site within the hour