This run is for testing the weather balloon model. simulation/notify-time-trigger simulation/sim-time-sec ge 0.25 Output message at periodic intervals position/h-agl-ft velocities/vt-fps metrics/radius-ft simulation/sim-time-sec >= simulation/notify-time-trigger End condition. Balloon is empty and on the ground. metrics/radius-ft lt 0.1 position/h-agl-ft lt 1 simulation/sim-time-sec