it deposited intensities comparable tt HuvO on chjects exposed broadside to the cloud drift, 8. The longerange 2G4E0 cloud persisted for = considers able tine, apparently transiting Nongelap and Nongerik .tolls on plus one day. Effects of the cloud were also recorded at Bikini at about H plus 42 hours and at Eniwetok at about H plus $4 hours. Intensities at Bikini reached values of 15 to 8% ar/nr. Intensities at Eniwetok ranged from about 5 to 15 or/hr; Kwajalein recorded 1 to 9 nr/hr at about the sane tine. J. To evaluate the effects of the tradewinds on Endwetok, one additional cloud tracker was placed to the west of cround zero at 5,000 feet to augment the routine tracker at 10,000 feet, acrial intensi- ties in the roentgen range wre detected to the north of an eastewest line be. tween Blicini and Eniwetok., Eniwetok was especially alertud to this fact; however, all contamination passed to the north. The seneral results of 20MEO, and other water surface shots, indicate that, had the contaminstion passcu over iniwetok, much of the intensity values would have resulted from 4 "shine -effect", 16. Detailed radsafe information, and pertinent weather factors are presented in Tab L. (c) KOON - . KOON midelevel winds were southerly to southeasterly, becoming southerly to 25,000 and west southwesterly to 60,000 feet by 4 plus 3 hours, The tredewinds were very shallow, averaging about 2,000 to 4,0CO feet in depth during the first three hours after the shot. 2. KOON was a land surface shot detonated on the western tip of ENINM.N (T.2E) at Bikini.