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HEADQUARTERS
JOINT TASK FORCE SEVEN
APO 437
San Francisco, California

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442 June 1956

FLATHEAD
BIKINI OBSERVED WEATHER FOR 12 JUNE 1956

AT DETONATION TIME 0626M

Sea Level Pressure

,

.

Free Air Surface Tenperature
Dew Point Temperature

1012.9 mb

82,0°F
76,0

Relative Humidity

82,0%

Surface Wind

050° at 10 knots

Visibility

10 miles

o1Us:
4/10 stratocumlus and cumilus; bases estinated at 2000 ft.

10/10 cirrestratus; bases estimated at 30,000 feet.
WeeTeg:
No shower activity reported.

BIKINI UPPIR AIR SOUNDING (1119002)
Temperature

Dew Point

110
380
1,903
5,020

27.8
26.8
22.2
17.2

24.5
23.5
19.5
11.8

9,022
10,380
5,723
12,705
1,042
16,327
17,126
17,995
19,250
24,840
2735592
31,670

10.8
08.5
06.8
05.2
02.8
02.8
04.8
04.2
08.2
-19.2
“25.42
32.3
RP ry

BEST ByGS ba oe wr

.

Ms

7A

F

a

.

(°c)

G,
sf

Pea

(°C)

er:

735
700
666
640
611
560
543
925
500
400
356
300

Height

(Feet)

4

1011
1000
947
850

-.

boos

Pressure

(Millibars)

702,2
-02.4
~02.5
08.8
06.2
-10.2
-20.5
-19,2
-1L.8
30.5
3705
M

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