TABLE

35

BIKINI WIND DATA FOR OPERATION HARDTACK I —
Altitude

(MSL)

feet

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

Dir

H-hour

degrees

oho
050
050
O70
130
350
360
150
190
210
230
350
320

Speed
mph

16
29
35
36
09
12
14
15
12
09
06
12
15

15 ,000

(320)

(15)

40,000

270

yy

16,000
18 ,000
20 ,000
23,000
25 ,000
30,000
35,000

330
300
260
210
2h0
200
210

45,000
50,000
55,000
60, 000

270
270
270
280

65 ,000

250

70,000

O70

75 4000

180

YUCCA

16
15
O7
15
18
13
32
51
ho
38
33

18

15

09

NOTES:
1.
Numbers in parentheses are estimated values.
2.
Wind data was taken on board ship located within 30

3.
4.

nautical miles of the Tower at Nan Island, Bikini Atoll.

Tropopause height was 53,000 ft MSL.
At H-hour the surface air pressure was 14.67 psi, the

temperature 25.7°C, the dew point 69.6°F, and the relative

humidity 75%.

187

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