Based on your request for version 1.7.10, you are almost certainly looking for the Weather, Storms & Tornadoes Mod (originally created by Corosus).
When you see a dark green sky + swirling dust: minecraft tornado mod 1710 upd
Before diving into the 1710 update, let's briefly look at what the Tornado Mod brings to Minecraft. This mod introduces various severe weather events, with tornadoes being the main attraction. These natural disasters can pick up players and structures, potentially depositing them in entirely new and often dangerous locations. The mod not only adds an element of unpredictability and excitement but also requires players to adapt their survival strategies. Based on your request for version 1
Q: Can I ride a tornado?
A: Technically yes, but you'll take massive fall damage when ejected. Use a Slime Boots (from Tinker's Construct) to survive. This mod introduces various severe weather events, with
Forge Modloader: Most mods, including ones for 1.7.10, require a modloader like Minecraft Forge. Ensure you have the correct version of Forge installed for your mod.