TABLE 46 Altitude (MSL) feet Surface 1,000 2,000 3,000 4,000 5 ,000 6,000 7,000 8,000 9,000 10,000 12,000 14,000 15,000 BIKINI WIND DATA FOR OPERATION HARDTACK I — Dir H-hour degrees 090 110 100 110 110 110 110 100 100 110 120 120 080 (080) opeed mph je 22 23 28 2k 18 14 17 O7 14 14 16 15 (13) Dir H+3 hours degrees 100 090 090 090 100 110 110 110 100 100 110 110 090 (070) cpeed mph 17 21 22 2k 23 22 18 18 18 17 16 16 13 (13) SYCAMORE H+9 hours Dir degrees Speed O70 080 080 080 090 080 090 100 100 090 110 130 100 (090) maph el 22 ek 25 23 18 15 15 15 20 14 16 IT (15) 16,000 18 , 000 20,000 23,000 25,000 30,000 33,000 34,000 35,000 40,000 45,000 50,000 53,000 55,000 97 ,000 60,000 65 ,000 66,000 70,0008 75,000 090 120 130 160 140 010 270 --(260). 220 230 280 --(150) 100 120 080 --100 090 12 13 18 10 23 og 06 -(12) 26 24 18 -(30) 35 26 16 -2h 38 050 100 140 130 100 oho ----280 230 (255) 280 080 (080) --120 --060 090 “-- 12 09 12 17 14 13 --1T 23 (17) 12 06 (10) -22 -30 31 -- 080 120 100 090 010 060 --120 (140) 230 300 270 --060 --100 -~ --090 --- 14 O7 02 08 16 13 -10 (13) 23 25 08 -16 -20 --29 -- 85,000 90 ,Q00 91,000 9h , 000 --ooo cet --- ----- --090 090 wee -59 59 -- 090 080 --080 kl 75 -68 80,000 81,000 100 100 55 58 100 --- 53 -- 090 o-- NOTES: Y. Numbers in parentheses are estimated values. 2 Wind data was tuken on board ship located within 30 nautical miles of the Tower on Nan Island, Bikini Atoll. 3. Tropopause height was 55,000 ft MSL. 4, 53 -- The surface air pregsure was 14.62 psi, the temperature 28.6°C, the dew point 74°F and the relative humidity 734%. 232