34.805 27.805 23.805 21.805 19.805 $+-—- onboard 17.405 nn wo 4eeee- 15.405 TIME FROM INSTANT OF EXPLOSION Fig. 1.2 Reflected Pressure on the Ground vs Time for 50 Kt, 300-ft Height ot 8 -_ 31.805 27.805 23.805 21.805 19.805 17.405 — 12.055 10° PEAK AT SHOCK FRONT. 2*10° 13.605 12.055 10.765 7.805 7.925 a2 80 8.880 9.705 REFLECTED PRESSURE _ Pz UNDISTURBED AIR PRESSURE Po { TIME FROM INSTANT OF EXPLOSIC Fig. 1.3 Ratio of Air Density in Reflected Region on the Ground to Density Height of Burst, at Several Horizontal Dist - {/é