+ ae DF eb an Meade eee a oo can 8 malate Ri tf HEAD QUARTERS JOINT TASK FORCE SEVEN APO 437 San Francisco, California _ 22 June 1956 . INCA ENIWETOK OPSERVED WEATHER FOR 22 JUNE 1956 AT DETONATION TIME 0956u , — - Sea Level Pressure Free Air Surface Temperature - Wet Bulb Temperature Dew Point Temperature 1009.8 mbs 83,3°F 78.39 76.6% Relative Humidity Surface Wind Visibility 81.0% 130° = 11 knots Over 10 miles CLOUDS: 2/10 cumilus; bases estimated at 1600 f[t., tops 5-8,000 ft. (moving from southeast). . 10/10 cirrostratus; bases estimated at 23,000 ft., tops over 30,000 ft. (all opaque). , WEATHER : No showers observed. ; tn © 4 AYZ RPE Gost Ot meyy JRE, WEATHRR suOURY Fro art: BEST AVA FD opy Narrow band of scattered ciumlus clouds averaging 3/10 to 4/10 coverage to the southeast of GZ. (Distance not reported) Tops of cumlus at &,000 ft. Cirrostratus overcast based at 25,000 ft. (measured) with tops at 31,000 ft. Cirrus opaque and dense. Target area was clear of curmlus clouds at 0931M, STATE OF SEA: Ocean Side: Wave heights 6 ft., period 7 seconds, direction 090°, Lagoon Side: Wave heights 1.5 ft. ENIVETOK UPP&R AIR SOUNDING (Release time 09103) Pressure (Millibars) 1000 850 80), 778 . 700 600 . 580 Height Temperature Dew Point 280 1,920 25.65 17.2 2265 10,2 (Feet) 6,562 7,447 10,320 14,480 15,420 (°C) W.5, 15,2 10.5 01,8 —00.5 (°c) —06.5 06,5 03.2 -07.5 ~08.2