text: import numpy as np
  
  alts = np.load("altitudes.npy")
  lats = np.load("latitudes.npy")
  speeds = np.load("wind_99_vs_latitudes_altitudes.npy")
  
  import scipy.io as io
  
  io.savemat("wind_data_99.mat", {
      "alts": alts,
      "lats": lats,
      "speeds": speeds
  })