TABLE 55 Altitude (MSL) feet Surface ENIWETOK WIND DATA FOR OPERATION HARDTACK I H+; hour Dir degrees 120 H+45 hours Dir degrees Speed mph H+O%5 hours Dir degrees Speed mph 16 90 12 100 22 100 100 2k, 2k 080 080 22 22 100 100 30 28 110 110 120 22 20 20 100 110 120 20 17 17 100 100 100 23 16 18 100 120 130 13 13 12 1,000 090 h ,000 100 8,000 9,000 2,000 3,000 Speed mph OAK 22 080 17 090 120 130 20 18 130 130 15 ,000 (130) (17) (150) (21) (130) (09) 18,000 130 17 150 20 130 O7 25 ,000 30,000 140 140 22 16 150 140 23 20 170 190 12 09 40,000 120 20 110 16 100 16 45,000 50,000 55,000 57,000 60,000 65 ,000 70,000 75 000 80,600 85 ,000 (070) O90 (100) 110 --oc one sc --on- (14) 13 (12) 12 ------- ogo 160 070 =-080 090 090 090 100 100 18 21 08 -31 33 43 56 67 oT O80 140 oO --080 100 090 090 100 090 17 08 le -30 35 ki 54 67 78 91,000 95,000 100,000 105 , 000 110,000 114 ,000 oe --one — — “n= ------- 090 a a one o-wee 73 ------ woo 090 090 100 100 090 -82 95 106 115 121 20,000 12,000 14,000 16,000 20,000 23,000 35,000 hk O00 go, 000 140. 150 130 130 130 140 a-- O60 ane 17 16 18 17 130 130 150 150 18 17 160 160 -- 140 14 -- --- 090 17 17 17 18 22 20 20 26 16 -- 72 100 30 2k 5,000 6,000 7,000 20 100 100 100 130 200 170 160 ~-- 090 NOTES: 1. Numbers in parentheses are estimated values. 2. Wind data was taken by the Eniwetok weather station. 3. Tropopause height was 50,000 ft MSL. 4, 60 18 17 OT 05 12 10 -- 84 The surface air pressure was 14.64 psi, the temperature 27.3°C, the dew point 76.5°F, and the relative humidity 87%. 268