ie KELLOGG: (continved) and that 1s because of the way they cutthrough the clbuds. If we could have the first slide, I dould rexind you ¢f the way the atmosphere is shaped, and the way a cloud soving th the Edinger, ateosphere is shaped. This is a slide prepared by Jim and those of you who were here the first afternoon sani the slide. It shows a sketch-—-and this is a fanciful sketch, but It is based on the way one would expect the atacephere to bel showing the cloud at the end of, roughly, one day, and] taking is ne two cases: one a rather unrealistic case in which thers shear and in which the cloud simply spreads through telthe action of gross turbulence and fine-scale turbulence togetheriant, as again), you Jim pointed out (we won't go through the arguments would not expect it to be homogeneously distributed; if would = and gare be pulled apart and would present wisps and hot spots and patterns, Then the arganent went on to indicate ti " ectually we aleoat invariably would have shears, and of the . 4 vat cloud, inateed ef being in a pancake section of the atdesphere, would actually be spread out in a long belt, The dinedsicns here are conservative far one day; thay actually ni4i is nost cases I think, be even larger than this, and this Mrawa te acale. This is actually a scale drawing of such a dloud at the end ef ore day; as T said, these horizontal conservative, extrezely flat. spread This shows it, as one would expect it are | tq be, Now, in the case of low diffusion—and there was somes argapent yesterday to indicate that the ¢:ffuaia: Plane toc fee “ . . cr: om i as 1%