. Ti: | HEADQUARTERS JOINT TASK FORCE SEVEN APO 437 San Francisco, California . 6 June 1956 SEMINOLE ENIWETOK OBSERVED WEATHER FOR 6 JUNE 1956 AT DETONATION TIME 1255M Sea Level Pressure 1010.5 mbs Free Air Surface Temperature Wet Bulb Temperature Dew Point Temperature 86 .9°F 79 .2F . Relative Humidity 76.59 71.0% ». Surface Wind Visibility cLOUDS 095° at 11 knots Over 10 Miles | 2/10 cumlus; bases estimated at 1500 ft, tops estimated below LOOS*ft. 1/10 stratocumlus; bases estimated at 3500 ft, tops below 4000 ft. No middle clouds. 7/10 cirrostratus;3 estimted at 30,000 ft; very thin (all transparent). AREA WEATHER SUMMARY FROM AIRCRAFT REPORTS Small scattered cumius in area 100 miles to the east and as far north and south as the eye could see from 8,000 ft. Tops seemed to increase near Eniwetok to 3500-4000 ft. and total 3/8 sky coverage outside lagoon. towering cumulus observed. No Appeared to be a line of scattered cumilus about 15 miles north of the atoll with tops rising to 6-8,000 ft. observed, No showers STATE OF SEA Ocean Side: Lagoon Side: Wave heights 4 feet, period 6 seconds, direction 090°. Wave heights about 1 foot, ENIIETOK UPPERATR SOUNDING (060000Z) : | ‘Pressure (Killibars) 1000 850 700 Height (Feet) 340 4,980 10,360 . Temperature —(2c) 2705 * DHA Dew Point (2c) 22.2 18.2 09.2 10.8 02,2 600 wi5i0 19 ,260 07.5 -20,2 347 28,281 -2h.5 -37.8 500 02.2 H14.5 77