Gi? | . HEADQUARTERS (3 JOINT TASK FORCE SEVEN APO 437 San Francisco, California — . . NAVAJO £ 13 Juiy 1956 4 BIKINI OBSERVED WEATHER FOR 11 JULY 1956 AT DETONATION TIME 0556M Sea Level Pressure Free Air Surface Temperature Wet Bulb Temperature Dew Point Temperature Relative Humidity Surface Wind 1010.2 mbs 81,29 76,2°F 74.,0°8F 80.0% 090° = & knots | Visibility . 10 miles CLOUDS: ' 2/10 cumlus, bases estimated at 1800 feet 6/10 cumulus, bases estimated at 2000 feet 7/10 cirrostratus, bases estimated at 30,000 feet (transparent) AREA WEATHER SUMMARY FROM AIRCRAFT: 0600M - (Aircraft at 45,000 feet) Scattered to broken cloud layer teased at 30,000 feet, tops at 35,000 feet. scatterod) with tops to 35,000 feet. Bikini Atoll. Few cumlus (widely Could not see surface or , 0615M = (Aircraft at 44,000 feet just above broken to ovorcast cirrus cloud layer to the west of Bikini) Scattored cirrus clouds 50 miles south of Bikini. Few scattered cirrus to north and cast of Bikini with approximately 2/10 smill cumlus at low levels. Few cumilus tops to 25,000 feet. “STATE OF SEA: Ocean Side: Wave height 5 ft., period 5 seconds, direction O80 degrees. Sea water temperature - 83,0°F. lagoon Side: Wave height less than 1 foot.