ee (3) The following conditicns were ctserved at -irt ¢/se a2 Bikini (& consensus of shot time observations taxen by 1¢ weatser officers and aerographers mates) eboard the USS CURTISS: 4/8 cw» milus at 2,000 feet, tops 4,000, 1/5 altostratus (barely ¢iscern- able) and 5/8 to 6/8 cirrus, thin. Sea Level Fressure Tezperature | 1006.1 obs. 8°P Dew Point Surface Taind Height of Tropopause 72°P 074° 15K 54,350 ft (at §f3) 4 3-36 over ground zero at aporoximstely H cinus 20 einutes re ported scattered cumtus, scattered to broken cirmus with bases 3€,000 to 39,000 feet and tops to 40,000 feet, and ne shorers. (4) The 282100! Feb wind observation from Pongerik which wes ree ceived on board the ZSTES wes garbled in transzission and wes in Considerable error. Jt did net agree with the winds received rom Exiwetok and the CURTISS for that time, in that it sixcwee southwesterly flow from 10,000 feet; the correct observation in dicated light northwesterly flor, which ras in agreenem with the other observaticas. (5) Locel weether conditicns begen deteriorating shortly after the detonation. lulticloud leyers developed a ail Levels. ' The winds alcft were forecast to be less desirable Sus é rat “safe consideration, end such was the case. Such a situation -~ wee centinued throush § arch 1954 (See Hodogreshs under Tat =r Dh we