Altitude
(MSL)
feet
BIKINI WIND DATA FOR OPERATION CROSSROADS ~H-hour
Direction
Speed
degrees
mph
Altitude
(MSL)
feet
H-hour
Direction
degrees
BAKER
Speed
mph
Surface
2,000
200
160
03
le
14,000
15,000
080
080
09
09
6,000
150
09
20 , 000
110
o9
10,000
120
09
30,000
o4O
20
4,000
8,000
12,000
160
150
110
12
16,000
08
14
080
25,000
050
35,000
060
13
12
32
NOTES:
1.
2.
3.
Surface wind data was obtained at H+l hour on Bikini;
upper wind data was obtained on board the "Fall River."
Tropopause height was 54,000 to 60,000 feet (exact height
is uncertain).
At H-hour the surface air pressure was 14.68 psi, the
temperature 28.9°C and the dew point 25.0°C.
miles
Rise rate: 5000 ft/hr
H — Hour
Figure 6.
Hodographs for Operation CROSSROADS 12
Baker
sccm
TABLE 2