Wind profile for 4 April 1982 at El Chichon (Mexico) Year month day height (m) vx(m) vy(m) 1982 4 4 120 -5.2 -1.6 1982 4 4 1540 -6.3 3.0 1982 4 4 3180 -5.1 -0.7 1982 4 4 5900 3.2 -8.7 1982 4 4 7580 9.0 -6.8 1982 4 4 9640 12.8 -4.6 1982 4 4 10880 14.7 -6.3 1982 4 4 12330 19.6 -1.7 1982 4 4 14100 25.7 3.6 1982 4 4 16560 20.7 3.6 1982 4 4 18670 14.0 6.5 1982 4 4 20670 -6.0 -2.8 1982 4 4 23930 -7.7 -2.8 1982 4 4 26540 -9.3 -4.4 1982 4 4 31180 -7.2 0