t ’ t + Blast height set for 36,000' above Preliminary estimate of yield by Bhangmeter was Clouds: Clear, Precipitation: None ATA inn - Ref T™/GIC . pe NY of 1946, ted data as End, ! ' a . , St . Deentntathebepeenofed Lada" feete This downer delicd in ts Ws thoasne No off-site fallout detected nor is ther e any predicted, b. c. A. Winds, Surface, North at 9 Knots; 10,000', NNE N at 16 Knots; 30,000, NW at 27 Knots; 0,000",at 13 Knots; 20,000, WiW at h3 Knots; 50,000', WNW at 29 Knots; and 60,000', NW at 11 Knots, Meteorological conditions: 3.2 KT, Indications are that successf ul results were obtained from expe riments, Cloud hieght not presently determined and Cloud moved off in southeasterly dire ction dispersing rapidly, Visual observat ion indicated that smoke trails laid by jet aircraft were successfully performed, Visual observation indicates cannister drop fully performed, was successi target, which is not yet verified , at 46,000' MSL. and h ¢ 3 hours report on HA, HA was deto nated at 1000 hours PST April 6 in test Area 5 (Southeasterly from Test Area livery aircraft was B-36 flying 1), De- SECRET RESTRICTED DATA//This is the first CIL-11273 ~ 7 April 1955 LLNL