TARLE 20 Altitude (MSL) feet Surface 1,000 BIRLIT WIND TAYA POR OPERATLON REDWING = Hel hours Div Spied degree S omph Ovo 090 20 26 2,000 3,000 4 COO 5,000 6,000 7,000 8,000 9,000 10,000 12,000 14, 000 090 090 690 080 080 090 O80 090 ogo 100 080 ek eh 25 26 23 23 ah eu ek 22 17 16,000 18 , 000 20,000 25 ,000 30,000 35 , C00 110 110 L1LO 170 2h0 250 15 17 14 18 26 36 230 240 wee 220 060 090 090 54 37 -26 18 28 32 15 ,000 40,000 45,000 50,000 51,000 55,000 60 , 000 65 ,000 70,9000 --- 260 ~~ 34 H-hour Dir epeed degrees mph 050 o80 070 O70 090 090 100 100 100 1.00 100 090 090 OGO O70 O70 090 ogo 100 120 110 100 090 080 30 26 020 O70 26 30 31 29 29 23 23 eu 22 17 16 080 090 100 100 100 100 090 100 100 . 090 090 el 28 35 31 30 28 30 31 2g 30 20 26 a4 (080) (15) (090) (ak) 220 L6 210 50 260 50 12 12 12 18 14 29 O70 090 110 1L7O 160 200 Vy 13 10 20 18 35 090 090 090 260 180 230 25 17 17 G2 13 35 210 eho 250 eho 080 090 090 LO 29 29 3 17 30 30 220 250 “oe 250 090 090 090 h3 31 -2k 16 31 37 230 240 --eho oOf0 090 090 61 32 -20 22 32 30 --~ -- --- -- 100 4} Lh 090 80 , 000 85 , 000 86,000 go, OOO 100 ogo -~090 7 51 -52 100 100 --100 ~- OGO O60 HAG hours Dir Speed degrees mph (15) 110 100 140 160 170 220 O80 --- 25 23 28 24 22 22 22 22 23 2h 17 HS hours Dir specd deprees mph (100) 75,000 77,000 22 26 AUNT ho 48 Ts) = 48 090 100 100 100 ~-- 38 48 h6 43 -- 090 --------- 85 ----- NOTES: 1 1. 2. 3. Numbers in parentheses are estimated values. Tropopause height was 51,200 ft. MSL. Wind data was obtained on board the U. S. S. Curtiss. Qe polating from measurements taken between H-4 and It3 hours. At Hehour the seu level pressure was 1010.5 mb, the temperature 4 H-hour data for altitudes. over 51,000 £t were determined by inter- 81°F, the dew point 76°R, and the relabive humidity 804%. 115