HEADQUARTERS
JOINT TASK FORCE SEVEN
APO 437
San Francisco, California
18 June 1956
OSAGE
ENIWETOK OBSERVED WEATHER FOR 16 JUNE 1956
AT DETONATION TIME 131,M- -
Sea Level Pressure
Free Air Surface Temperature
Wet Bulb Temperature
Dew Point Temperature
Relative Humidity
Surface Wind
Visibility
.
1008.5 mb
85.9°F
79 OF
76 69
71.0%
140° - 11 knots
10 miles ©
CLOUDS:
3/10 cumulus; estimated bases at 1800 ft., tops 5-7,000 ft. Towering
cumulus in all quadrants.
.
Less than 1/10 altostratus; estimated at 9,000 ft. (thin)
6/10 cirrostratus; based at 30,000 ft. (very thin and transparent)
AREA WEATHER SUMMARY FROM AIRCRAFT:
- 5/8 to 6/8 eumlus clouds within 60 miles (all directions) of Eniwetok.
Cumilus based at 1600 ft. with 2/3 of tops at 5,000 ft.; remaining 1/3 tops
to 10,000 ft. and an occasional top to 20,000 ft. Cirrostratus (5/8) based
at 30,000 ft.
RAD AR OBStRVATIONS :
Towering cumulus all quadrants within 25 miles of station with tops
measured at 10-12,000 ft.
Towering cumilus between 25 and 75 miles of
station with tops measured at 15-20,000 ft.
STATE OF SEA:
Ocean Side: Wave heights 3.5 ft., period 6 seconds, direction 100°.
Lagoon Side: Less than one foot,