weather_mod.register_downfall("weather:sandstorm",{
  min_pos = {x=-20, y=-4, z=-20},
  max_pos = {x= 20, y=4, z= 20},
  falling_speed=-1,
  amount=40,
  exptime=1,
  size=25,
  texture="weather_sand.png",
  min_wind = 5,
})