TRADQUARTERS JOINT TASK FORCE SEVEN APO_):37 ifornia . 22 July 1956 HURON ENIWETOX OBSERVED WEATHER FOR 22 JULY 1956 AT DETONATION TIME 0616M Sea Level Pressur- 1007.8 mbs Free Air Surface “erperature 81.4°Rr Wet Bulb Temperature 77 6°F Dew Point Termersture Relative Humidity 76.2°F 8, & Surface Wind 090° 17 knots Visibility Weather 10 miles Widely scattered rain showers. CLOUDS: 3/10 cumulus, based at 1800 ft., tops estimated 10-15,000 ft. with isolated top:s to 30,000 ft. 10/10 cirrostratus, bases estimated 30,000 ft. (/10 transparent). AREA WEATHER SUiiMARY F2O0ii AIRCRAPT: Scattered cumulus clouds with tops averaging less than 12,000 ft, Occasional cumulus top to 18,000 ft. Hazy conditions below 10,000 ft. Could see GZ at 06151 from 16,000 ft. Scattered cumulus tops to 16,000 ~ 18,000 ft., 50 miles northeast of Eniwetok, STATE OF SEA: Ocean Side: Wave heights h ft., period 5 seconds, direction 100° Lagoon Side: Less than one foots ENIWETOK UPPER AIR SOUNDING: ressure (Millibars) 1000 938 850 700 600 500 Heignt (Feet) 250 2133 1.980 10290 LWhLho 19200 (Releasc time 0600i‘) Temperature Dew Point 26.8 22,5 18.2 9.8 2.5 ~ 642 2);.2 18,8 13.5 2,8 - 5,8 ~16.2 (°c) (°c)