i. HEADQUARTERS JOINT TASK FCRCE SEVEN APO 437 San Francisco, California . 1 = ’ \ _ 6 dune 1956 SEMINOLE tt ENIWETOK OBSERVED WEATHER FOR 6 JUNE 1956 \- AT DETONATION TD 1255 Sea Level Pressure 1010.5 mbs Free Air Surface Temperature Wet Bulb Temperature 86.9°OF 19 .2°F Dew Point Temperature 76,5°F Relative Humidity 71.0% ». Visibility Over 10 Miles Surface Wind CLOUDS 095° at 11 knots . 2/10 cwmlus; bases estimated at 1500 ft, tops estimated below 4000 ft, 1/10 stratocumlus; bases estimated at 3500 ft, tops below 4000 ft. No middle clouds. 7/10 cirrostratus; estimted at 30,000 ft; very thin (all transparent). AREA WEATHER SUMEARY FROM AIRCRAFT REPORTS Small scattered cumulus 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. No towering cumulus observed. Appeared to be a line of scattered cumlus about 15 miles north of the atoll with tops rising to 6-8,000 ft. observed, . No showers STATE OF SZA Ocean Side: Wave heights 4 feet, period 6 seconds, direction 090°. Lagoon Side: Wave heights about 1 foot. , ENIVJETOK UPPERAIR SOUNDING (060000Z) ‘Pressure (Lillibars) ° Hed ght (Feet) Temperature (°c) 1000 850 700 340 4,980 10,360 2765 18.2 09,2 22.2 10.8 02,2 500 400 347 19, 260 21,,870 28,281 ~07.5 17.5 24.05 -20,2 -31.2 -37.8 FS RS as tee”ve Wee A ” re 5 odie . vo ed “Raps “pg be tan iad go ¥ : ~ Dew Point (°C)