 z[m] p[mb] tp[K] q[g/kg] u[m/s] v[m/s]
0. 2 1000.
0.       -999.   -300   0. 20   0.
40000.   -999.   -300   0. 20   0.
1000. 2 1000.
0.       -999.   -300   0. 20   0.
40000.   -999.   -300   0. 20   0.
