1 37% Debense Nucceae CEncy HEADQUARTERS JOINT TASK FORCE SEVEN AFO 437, San Francisco, California bo. esSEO es Se 14 May 1958 3264 RoxFY .Gb4-326 " pmuncrem»Sapety-FPL KOA nano.Dpepasips 18 Haanter VoeT. ENIWETOK OBSERVED \EATHER FOR 18 MAY 1958 AT DETONATION TIME: 0O630M SURFACE WEATHER: Sea Level Pressure 1010.5 mbs Free Air Surface Temperature Wet Bulb Temperature Dew Point Temperature 81,0°F 76,0°F 74,0°F Relative Humidity 79% Visibility 10 miles Surface Wind 050° 16° Knots Weather None CLOUDS; Seattered (4/10) cumlus, bases 1,800 feet, moving west. Scattered (3/10) altostratus, bases 8,000 feet, moving west, Overcast (10/10) cirrus, (9/10) opaque. AREA WEATHER SUMMARY FROM AIRCRAFT: Seattered cumilus bases 1,900 feot, tops generally 7,000 fect, a few tops to 16,000 feet, Light to moderate turbulence in clouds. cirrus, bases 35,000 feet, tops 40,000 fcet, Light turbulence in lower cirrus layer, Broken. to overcast High thin cirrus layer above, STATE OFTHESEA: Open Sea, ‘site Genet Waves from 080°, 5 fect high, period 4 to 5 seconds, length 70 to 80 fect, NOTE: Waves increasing in hcight at time of firing. Lagoon, site Gene: Waves 1 foot high, period 0,5 to 1 second, length 3 to 5 fect, BLE BEST COPY AW ATLA Medd 4A TAB E (3) Gz