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Weather Flux
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Brings real tornadoes, storms to Minecraft, powered by procedurally generated supercells and in depth calculated & simulated systems.
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Must be installed on both the client and the server.
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Weather Flux
A tornado and severe weather mod for NeoForge 1.21.1, currently in active development. We are NOT affiliated with any other mod in any way.
About:
Weather Flux aims to bring genuine severe weather to Minecraft. This mods adds tornadoes that move across the terrain, rain and storm systems that feel dynamic instead of static, and full weather events that form and move throughout the world. There are plenty of tools and instruments that can be utlized to predict, track, and record tornados and other systems.

This is a passion project built from the ground up, and it is still early in development. Expect bugs, expect missing features, and expect things to change quickly as we keep building it out.
Currently Added:
Weather engine
- Supercells
- Squall lines
- Global wet/dry regime
- Wind engine
- Blizzards
- Sandstorms
- Snow and sand accumulation
- Hail
- Lightning
- Thunder
- Tornados
Tornados
- Volumetric tornadoes
- Width-scaled travel speed
- Funnel merging
- Wind fields
- Wind-threshold block destruction
- Scouring and debarking
- Flying debris
- Block reinforcement
Radars and Alerts
- Radar Block + Super Radar Block
- Radar Tablet
- Reflectivity, Velocity, Wind Speed, and Cloud Coverage Maps
- Warning Polygons
- Tornado Sirens
- EAS Radios
Weather Instruments and Tools
- Anemometers
- Weather Vanes
- Wind Sensors
- Rain Sensors
- Tornado Probes
- Probe Tablets
- Reinforcement Wrenchs
Rendering
- Ray-Marched clouds
- Low-Quality mode clouds
- Rain shafts
- Custom rain and snow rendering
- Entity and camera tumbling
- Beacon beam lighting
- Obstruction lights
Sound
- Wind sounds
- Rain sounds
- Distance-delayed thunder
- Siren and EAS audio sounds
Configs
- Super customizable and plenty of them
Feedback
This mod is still very much a work in progress. If you run into bugs or have ideas, feel free to leave them in the Discord. We are actively working on this and read everything that gets posted.
Screenshots
Check out the gallery page for more.

Incompatibilities
- Simple shaders (not all shaders work, but some do)
- Any other weather changing mods
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