TABLE 62 Altitude (MSL) feet Surface BIKINI WIND DATA FOR OPERATION HARDEACK I - Ht+2 hour Dir degrees Creed mph H+7z hours Dir degrees Speed mph JUNIPER H+iSy hours Dir degrees oy eed mpn 080 16 100 09 110 O7 2,000 3,000 4,000 5,000 090 100 100 100 20 21 21 20 100 110 110 110 16 17 17 17 120 120 120 110 14 14 14 15 7,000 110 16 100 20 110 20 9,000 10,000 12,000 110 110 120 09 10 13 090 080 090 17 16 16 100 100 100 15 15 16 15 ,000 (120) (15) (090) (17) (160 ) (16) 25,000 140 22 140 100 09 40,000 45,000 310 090 230 300 10 13 60,000 65 ,000 080 090 1,000 6,000 8,000 14,000 16,000 18,000 20 , 000 23, 000 30,000 35,000 50,000 55,000 080 110 110 120 130 130 130 130 140 150 18 18 13 16 14 15 18 21 16 12 100 110 090 090 100 100 110 120 16 18 18 16 18 15 18 20 09 110 110 100 10G 100 100 090 10¢ og 03 050 060 09 OT ----- --- 310 O70 31 36 090 080 14 13 48 51 080 090 38 ki 85 ,000 90 ,000 090 080 67 67 090 090 79 98 ----- 100 ,000 105 ,000 090 090 --- ----- 95 ,000 080 76 78 80 16 13 12 10 120 320 l2 10 63 16 080 260 100 090 080 18 07 02 12 OT 80 , 000 17 150 300 120 230 TO, 000 75 ,Q00 13 080 090 ----- 38 32 63 121 090 ----- --- 06 12 36 --- ---- --- NOTES; 1. Numbers in parentheses are estimated values. 2. Weather observations were made using the standard rawinsonde 3. system on Nan Island (Bikini Atoll) adjacent to the Nan Tower. Additional data was taken on board destroyers. Tropopause height was 51,000 ft MSL. 4. The surface air pressure was 14.64 psi, the tempercture 30.8°C, the dew point 78.9°F, and the relavive humidity 76%. 297