a oe Uh cane a i a, aaa Reet ne : eee emma HEADQUARTERS JOINT TASK FORCE SEVEN APO 437 San Francisco, California 31 May 1956 ENIVETOK OBSERVED WEATHER FOR 31 MAY 1956 ERIE. DETONATION TOME 0615é Sea Level Pressure Free Air Surface Temperature Dew Point Temperature Relative Humidity 1009.1 mb _ 80.39 73.5°F 80.2% Surface Wind Visibility (Wet Bulb 75.4°F) 100° at 12 kts; gusts to 15 kts Over 10 miles CLOUDS 1/10 cumulus; bases estimated 1500 feet (no tops reported ~ estimated to be at 3500-4000 feet approximately 10 miles east of station) 2/10 altocumlus; bases esti ated 19,000 feet; thin but opaque (possibly 1000 feet thick) 10/10 cirrostratus; bases estimated 30,000 feet; no tops reported (9/10 transparent) WEATHER No showers reported in local area. exceptionally good visibility. In general appeared clear and No haze apparent. STATE OF SEA Ocean Side: Wave heights 4.5 feet, period 5 seconds, direction 090°, Lagoon Side: Wave heights less than 1 foot, , “ ENIVETOK SOUNDING (301700Z) 1000 Height (Feet) 280 850 4,920 796 6,791 : | Temperature (°C) 26.5 17.3 16.8 - Dew Point (°C) 21.6 09.7 02.5 700 10,310 . 10.8 10,3 07.8 600 14,440 =00.9 -16,2 423 23,327 -15.3 29.2 693 10,630 500 4V7 400 19,130 . -09.2 -07 sh -23.5 23, 688 ~1,.1 =-28 2 21,720 -16.4 -30.3 aot os oot : pF Tp aed a, le BEST B*oy ab ein Pressure (illibars)