of the precipitetion echoes in the horisontal you could see whether that fs a more or less mifora p: tion, That recalls scmething in my mind I heard about | haven Laboratory also this spring. They made measuremet: radioactivity in rain, and for the firet part of this | there waa nothing, and then at the end of the storm it matter of high counts. And there they figured that it juat a conjunction, that the radicactive aloud came inte] the place with rain to then bring it dow. It vas a rather § thing -- rather sharp mounteins there — which again indlestes the very fine structure that would probably be grossly njesed ty curkpresent coarse network of radlosonde stations, IT 2GGs Supposing you had a layer, Harry, of radioactive nate like the kind of layer that we see when a anoke plume - out on a stable dayend eproads in a big flat layer.Supposing as the Thunderstors Project found — and you can coment fe this, Dick Coons ~- as I recall sesing the results -I han Locked at these systemtlcally, bot Just locking at the pictures that have been published, there seens to be @gx variation in the heigh of the rain rises in « given ~ a rather mall — area vhere ve have many cumulus srcund, Ant - one cumulus might reach vp into this layer and another oa might not. WEXLER: That's why I say I think thet if you could get owt seme xpugl measurenents @ to whether your radicactivity ves vithin 7 Teecrtrent of Energy PUI “TRS Cffice ARCHIVES 73