Figure 6: Adiabatic Chart

400 500 600 700 800 900 1,000 1,050 23,000' 20,000' 15,000' 13,000' 10,000' 6,000' 2,500' SURFACE 0' −50 −40 −30 −20 20 30 40 50 −60 −40 −20 80 100 120 PRESSURE IN MILLIBARS −10 390 380 370 360 350 340 330 320 310 300 290 280 270 260 250 240 230 0900 HOURS 1400 HOURS 0 20 32 40 60 TEMPERATURE (DEGREES FAHRENHEIT) TEMPERATURE (DEGREES CELSIUS) 0 10