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HEAD QUARTERS
JOINT TASK FORCE SEVEN
APO 437
San Francisco, California
22 June 1956
INCA
ENIWETOK OBSERVED WEATHER FOR 22 JUNE 1956
AT DETONATION TIME 0956M
5
- Sea Level Pressure
1009.8 mbs
Free Air Surface Temperature
Wet Bulb Temperature
Dew Point Temperature
Relative Humidity
83.3°F
78.3
76.6%
81.0%
Surface Wind
Visibility
130° = 11 knots
Over 10 miles
CLOUDS:
2/10 cumlus; bases estimated at 1800 ft., tops 5-8,000 ft. (moving|
from southeast).
;
10/10 cirrostratus; bases estimated at 23,000 ft., tops over 30,000
ft. (all opaque).
WEATHER :
DNA
No showers observed,
:
AREA WEATHER SUMBIARY FROM AIRCRAFT:
Narrow band of scattered cumilus clouds averaging 3/10 to 4/10 coverage
to the southeast of GZ. (Distance not reported) Tops of cumlus at &,000 ft.
Cirrostratus overcast based at 25,000 ft. (measured) with tops at 31,000 ft.
Cirrus opaque and dense. Target area was clear of cumulus clouds at 093M.
STATE OF SEA:
Ocean Side:
Wave heights 6 ft., period 7 seconds, direction 090°.
Lagoon Side: Wave heights 1.5 ft.
ENIWETOK UPPER AIR SOUNDING (Release time 0910hi)
Pressure
(Millibars)
1000
850
804
778
700
600 .
580
Height
Temperature
280
4,920
2505
1742
7 shh7
10,320
14,480
15,420
152
10.5
01.8
-00,.5
(Feet)
6,562
Dew Point
(°C)
W.5
(°c)
-
ey:
2265
10,2
06,5
06.5
0342
~07.5
-08.2
al