nee ates le Nbne nhen a — " HEADGUARTERS JOINT TASK FORCE SEVEN APO 437 San Francisco, California — 18 June 1956 OSAGE —_— ENIWETOK OBSERVED WEATHER FOR 16 JUNE 1956 AT DETONATION TD! 1314M Sea Level Pressure Free Air Surface Temperature . 1008.5 mb 85 .9°OF Wet Bulb Temperature Dew Point Temperature 79 .O°F 76,6°F Relative Humidity Surface Wind Visibility 74.0% 140° - 11 knots 10 miles CLOUDS: 3/10 cumulus; estimated bases at 1800 ft., tops 5-7,000 ft. cumlus in all quadrants, Towering 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 SULARY FRO2! AIRCRAFT: 5/8 to 6/8 cumlus clouds within 60 miles (all directions) of Eniwetok. Cumlus based at 1600 ft. with 2/3 of tops at 5,000 ft.; remaining 1/3 tops to 10,000 ft. amd an occasional top to 20,000 ft. at 30,000 ft. Cirrostratus (5/8) based RADAR OBSERVATIONS: Towering cumulus a1] quadrants within 25 miles of station with tops measured at 10-12,000 ft. Towering cumlus 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 & seconds, direction 100°. Lagoon Side: Less than one foot, ow . BES BEST AOE i ae . aaemR ice : o “eo sy Ne ,