TABLE 49

Altitude

BIKINI WIND DATA FOR OPERATION HARDTACK I -

H+s hour

465 hours

MAPLE

H+12* hours

(MSL)
feet

Dir
degrees

Speed
mph

Dir
degrees

Speed
mph

Dir
degrees

vpeed
mph

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
16,000

080
080
080
080
100
110
120
130
140
130
130
100
o8o
(080 )
080

25
23
2h
23
22
22
22
18
20
20
18
2h
al
(22)
2k

oo
O70
070
080
090
120
1ho
150
150
140
130
120
140
(140)
140

25
22
20
17
14
17
20
18
18
16
20
20
2h
(21)
18

050
070
O70
080
090
100
110
100
110
110
110
120
120
(130)
130

21
23
23
21
20
20
16
13
09
12
14
13
18
(20)
20

140
130
190

28
21
10

130
140
190

26
15
08

130
120
330

15
20
18

(285 )

(17)

(285)

(17)

(06)

(250)

(07)

13

360

08

18,000

20,000
23,000
25,000

1ho

29

120

30 , 000

270

20

40,000
45,000
50,000
54,000

270
310
330
O70

33
2k
20
03

290
(315)
340
---

25
(24)
23
--

--

350

02

35,000

250

38

55,000

(080)

(06)

60 ,000

100

14

56,000

---

63,000
65 ,000

--O7O

-33

75,000
80,000
83,000
84 , 000
85 ,000
90 ,000

090
090
--—
090
090

32
58
“+
-69
79

70,000

090

el

280

24

(350)
130

-----

090

--090
--090
--=e

09

---

25

-56
-56
---

150

280

290
350
350
---

230
100
---

080

--090
100
—
--oo~

13

18

17
26
2h
--

O7

22
“ak

-60
61
----

NOTES:
i.
Numbers in parentheses are estimated values.
2.
Wind data was taken on board ship located within 30 nautical
miles of the Tower at Nan, Bikini Atoll.

3.

4.

Tropopause height was 53,000 ft MSL.

The surface air pressure was 14.66 psi, the temperature

27.0°C, the dew point 74°F, and the relative humidity 81%.
244

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