ENIWETOK WIND DATA FOR OPERATION HARDTACK I — (MSL) Dir H+; hour feet degrees Surface 060 Speed mph 23 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 9,000 10,000 12,000 14,000 26,000 18,000 20,000 23,000 25,000 30,000 050 060 070 080 080 090 100 100 100 100 110 120 100 160 070 090 080 050 26 2h 2k 25 28 28 21 17 20 2h 18 15 09 05 O7 02 06 06 40,000 45,000 50,000 55,000 60,000 260 270 280 160 140 14 15 10 08 OT 70,000 75,000 80, 000 100 100 100 090 090 --090 090 35,000 65,000 85 ,000 90,000 95 ,000 99 ,000 100,000 105 ,000 330 090 090 Dir H+), hours degrees O70 Speed mpn 23 ----------------------070 O60 ©80 190 030 360 350 --~--------09 15 O7 05 09 05 17 270 200 200 150 O40 15 29 20 06 08 20 45 57 080 “-090 16 -57 62 63 -60 58 090 --090 — --- 1h a4 5T 250 120 --- 15 22 -- 63 77 56 --- NOTES: i. Wind data was taken by the Eniwetok weather station. w hy . .» Tropopause height was 54,000 ft MSL. The surface air pressure was 14.66 psi, the temperature 30°C, the dew point 72°F, and the relative humidity 63%. 240 wg Altitude UMBRELLA tate TABLE 48