PTT TS Se i — BnergyUT Page SOR EEE SETHE HEE ERHEEE ER EF EHH OTOH E OHO Eee ewe Rese ee et Oem eee ee 3 Dinensions of Atomic Clouds at End of Three Hours ..ccceccccccessvsscenseuess Wap of Eniwetok Showing Locations of Observing Ships ...csscssesceeserseeees TRAY DAL wc ccc cc ceee ne ene nent erect tasseeuncanssenvessssssanacssene Identification of the Three Atomic Clouds, Time H-hour TOME DAT wc sccsccccnrecccceeesseaeesnccteadcctesttteaacesnassneeee plus 15 minutes Tilustration)....... ZEBRA DAT. ccccsnccess cree ensereeeeenenteaevbesabibecaseeacnaneees Desoriptions of the Atomic Clouds ..cccessccescscucsnccccucnccecssereasscess Explanation of Trajectories sees c eee eeenecaennescuteceteesetesuceresuveccea® WRAY DAL co cence ee sece cece e ses ieemenr tenes eeeeneesoanen ony eteeees TOBE DAT coc sect cess teen e seen esa ere ene net eebtbenettaneneeeeenees YOKE DAY . cere sc ccc es ccc snes es ene esses esas saben enanetereseesens ZEBRA TAL cca cn cree enc ar eee eee nema ea tate tees ane e reac ceeneeeeae ZEBRA DAY. cs cc cccceccc enema aren eee se ee sense neste a ee eee eee eenne Diagrams Describing the Throa Atomic CLOUMS cisscccecrecseseeeerrcssageneees Sketches of the Atomic Clouds .essccsusscrccccccccunsenvanscusesessssacanet Upper Wind Vectors oc ccccceccnsescc sees ees cant stared tees tbatissvensheeueeeen TRAY DAY ond TOKE DAY, Early Stagem wscocsecscaccncsseasssacnsenne YOKE DAY, plus ] hour siuscccerseccecccenantocccessecsccscussacses ZEBRA DAT, Early Stages ..cseccccenesvcctescercereannnsuaseseesees Photographs of the Atomic Clouds ...ecscccsecesesevcsnnrmcesseeneeseeseuenas Upper Air Soundings bececeecoecussccneceeencecseeasestressascrssenseesceees 19 YORE DAY ever ereer tees te ta eerree eee eee ete eer erteanr ee se eeset pe esresreeseesan ZEBRA DAT. cece ten cence teen tee eee eee ees eee ses eer suttanseress Rates of Rise of the Atomic Clouds wessscsccccecncceccesscenseresseuanereess RAT DAY co cee cect cee cece ese nce een eg eee eneteeneereeneneenrseene YOKE DAY cc ccccs ccc or eer cces sear a sees seem anneeas rete saneenerenees TETRA DAT. ccc cece ccc ec ccc c cent nner eee easees saree a saeneeenecees Locations of Centers of Rising Atomle Clouds sss ccecceeecassesecescesscccaes 20 Explanation of the Photographs sccceessccusessarenteservectetesevccsscssncet TRAY DAY Photographs weccccorsssesennratecreetessetcenctesesscvens ZEBRA DAY Photograph. scsccssnenccncccteceuceneeessnsaensnsveeenes GomclusLons cas icacsensaascassen seen ees sane ea ee een sees senewnnseerete renege Early Stagos of Atomlo Clouds seeeseccrcsnssaneeaeeveceteceseeccararrisaceae Factors Determining Shape of Cloud in Later Stages .escccsnccaseeccccsecsens Th Recommemdatlonag ..cccccccrcnc veces ens ae nsec tees esau sete ueceeas essen aennnene 75 ARAL DAY coerce cscs ccs e neces as caa saa te ssc tases eerereeessesesereane TORE DAY ccc cccc cn cnec eee s cn esesn cere ee ean eee ve enete ee eee eee a ane ZEBRA DAT. ccs cnes ener ces eesceunesee erga eneeneeeeisaneseuseaensens APPENDIX I Determinations of Altitudes of Atomic Clouda co .cee sce sse ceases re seeensensen BRAY DAT ccncscr cece nacc eee reese sn enas eee eeesneer esses sanensseseses TORE DAT wc ccs scennnvecscernenseeenesseeenassesceensssonseesened ZEBRA DAT wcccccc scenes ses en sence nena esas eae eeneeeseanserscereanae Apparent Dispersions of Atomic Clouds .eecssccsccsccccnreceretanasrensriones RAT DAY cece ccccscccccnnenssctcces enema re erste cnsseae et eegiencuse YORE DAY ccc ese c crn ccc c eter tee e ene e er tebe eee been eet ase eeaneeaneee ZEBRA DAT ccc cnc ence rec n mn sarereareee ass arereenscnnaeearesterente 55 YORE DAY Photographs ..sccse tsetse serenetueracecdetacesaneserecsce a gs Preface EUEESES FE EEKRE SEE Table of Contents Discussion of Observational Techniques forking Charta, and Theodolite Data APPENDIT IT Weather Observations for Test Periods APPENDIX ITT Meteorological Charta for Test Periods