JOINT TASK FORCE SEVEN
APO 437
San Francisco, California
10 July 1956
APACHE
ENIWETOK OBSERVED WEATHER FOR 9 JULY 1956
AT DETONATION TIME 0606M
Sea Level Pressure
Free Air Surface Temperature
Wet Bulb Temperature
Dew Point Temperature
",
Relative Humidity
Surface Wind
Visibility
1010.5 mbs
80,3°F
76.1,°F
Th e9OF
a,
030° ~ 15 knots
Over 10 miles
CLOIS3:
2/10 cumulus; bases estimated 1500 f[t., tops estimated 25,000 feet tor
south and west,
2/10 stratocamilus; beses at 2,000 ‘ft., tops estimated 4,000 feet. Few
altoc:umlus iess chan 1/10.
4-10 ci-rostratus; estimated at 30,000 ft. (very thin and transparent).
Nurer ais comrail..: at 30,000 to 35,000 feet.
fXi: SATEE? SUM.-RY FROM AIRCRAFT:
LOM:
Scatvered cumilus buildups approximately 50 miles to east
6151:
1O miles north and west of ground zero,
torzed at 20,000 to 25,000 ft. Scatteres stratocumilus tops estimated
ab €,000-7.0,000 ft. Very light rain shower at Eniwetok, GZ clear,
kased ct 27,000 ft., tops unknowm,
Stratus overcast
(625: To east and southeast of ground zero. 6/8 cumlus and stratoCumlis with tops below 15,000 ft., occasional cumulus buildup to 25,000=
20.100 £4.
27a. OF SEA:
|
DNA
Neean Side: Wave height 4 feet, period 7 seconds, direction 070 degrees,
iagoon Side: Wave height 1 foot.