rr a LEeat330 BIKINI OPBSEPV*D WEATHER FOR 1] JULY 195€ AT DETONATION TIME O556M Sea Level Pressure 1010.2 mbs Free Air Surface Temperature 81,2 F wet Pulb Temperature 76.2 Dew Point Temperature 74.0 Relative Humidity 80.0% Surface Wind Visibility 090° - 3 knots 10 miles CLOUDS 2/10 cumulus bases estimated at 1209 fect 6/19 cumulus bases estimated at 2070 feet 7/10 cirrostratus, bases estimated at 39,000 feet (transparent) ARTA WOATHTR SUMMARY FROM ATRCPAPT O600M ~ (Aircraft at 45,090 feet) Scattered to broken cloud layer based at 30,990 feet, tops at 35,9009 feet. Few cumlus (widely scattered) with tors to 35,000 fect. Could not see i & ja AN oo CN surface or Rikiri Atoll, (Adreraft at 44,0° Feet Just above broken to overcast cirrus cloud layer to the west of Bikini} Scattered cirrus clouds 50 miles south of Bikini, Few scattered cirrus to north and east of Bikini with arproximately 2/10 small curmulus at low levels, Few cumulus tors to 25,0% feet. STATT OF STA Cecan Side: Wave height 5 ft., neriod 5 seconds, dircection O30 degrees. Lagoon Side: TOME ep rene pete Ro . Sea water temperature - 83.0°F. Wave height less than 1 foot. cgerenl0® c LOW R _6- \ U