3 Bee height obtainabie, ; predictions to at least the maximum cloud stability, expected changes in wind during the day, thermal , the effect of wind ¥ cloudskprecipilation, trajectories of nerosols ion of and-ahermal structure op the diffusion and deposit Haye that pe pacdintioon dosages cmtum radiati prials. ent’ als amd the maxim abe olflyen g materi ong ane on and off the Test Site. Changes, vably resultsas x. couldi “ goncvi were presented at subsequent predictions “4 if anye from these In fnet one of the : brief ra just prior to arming ernch device, ¢ Aes fr ee was the series S majorffactors in arriving at good predictions to sero of Awind runs” usually Bt one-half hour intervals up eo bee eee Te a me cera aie ee a re oe 28s, AERtime (fiz.12). asa further assurance Epi >. Most of the programs remain in effect rudiouctivity from any of release the of event carekaeg, of safety in the , a ¥ un orgroun'. teats, Peek 3 weed ‘fadiplegical Surveillance continuously ‘Routine programs were and are conducted e imlies from (he Nevad Jwithin’a radius of upproximately 300 Servire. ~ Fast Site by the US. Publi¢ Health - Ayerelfphonitering and SBince 162 the U.S. Public Health Service las owned % es two aircraft for cloud sampling. Hrior (o thin date, hs " “operated Bach eethiefunction was accomplished Uy the U.S. Air Fore. y both velivit t 4 ‘aircraft carried cquipment to collect airborneequipm ent for “da » “particulate and guseous. Both planes carried Additional on radiati gamnin the ring monito ba Pay, continuously Graeblig ih “UG Air Force planes equipped for cloud sample at it FIGURE 12.- The Weather Station at f!.c Nevada Test Site sends radar-observer balloons to the upper atinonphere to check on temperatures. dew points, humidity and wind velocities, The radar Uacking instrument on top uf the station charts wind velocities and directions. essed most northern hemisphere data, much pf it electron iewly, and used the fastest and most modern techniques in producing forecast charts of the large scale features of the atmospheric circulation. ‘The Mercury station, having moore local information and the benent of mumerowa stodie sof lucnl meterologienl vonditions, eliusted the NMC infernontion to make forecasts having the hiptiost pox vble aeeuracs for STS 38 wore made for _werg available pnd were onenli. Arrangements gical nonitering the‘use of another special aircraft for radivlo surveying at H+24 hours. l oo by main The capabilites of nireruft monitoring continua tained. 3 Mire Leo de eet oe a tarnial deday prio to each nucle detonation, Scientific Directur, he Test: ate: * tuileyfpricing vax qiven to the able ways Manager, wnd his Advisery Panel covering wl foresce A f mia s and safety of the 5 suces the nce influe tight er weath 7 6 gin which wned direction ‘bee ll such brielings included wind speeds 1 ge teat.ZA ok, feces Henin Bats Che Ae 3aygan “Soke Onthy , Mable Ground Menitering in the down Mobile ground monitoring teams were deployed roving Bur wind sector prior to each test to suppleniont the lance veillance which war a part of the continuous surveil program. The downwind sector was determine) by informa: el wa tion obtained from the U.S. Weather fineau personn ted of (wo sinned to the NTS. These monitoring tenn ours Barvey men. Kach team was equipped with bert eaicony ww