ieeeTA —Averett: Energy er srt 5 te, Dimensions of Atomic Clouds at End of Three Hours . (Continued from the previous page. ) YOKE DAY= Cecouse of the mrked increases in wind velocity up to about 40,000 fect ZEBRA DAY — “hen the photographs of this cloud were examined, it was found to have a and the decrease in velocity above this sleyation, the atomic cloud was draw out into zig-zag appearance becuuse of a lonp-chaped structure near its middle, @ long ribbon which was hook-shaped near the top. not be accounted for by drav An emmination of this cloud share will This loop could + according ta the estimated winds at just the 5,000 foot show the futility of en attemnt to sight on a primary mass in order fo determine a rate of elevations. dispersion which could be applied to any particular alevatian, the O600 loca] time sounding were used, and vectors for every 1,000 foot interval were The actual YOKE ¢loud To construct the dingram between 1¢,000 and 20,000 feet tha actual winds for greatly resembled the diagrams,ao it is thought that a true representation of tha cloud drew, has been constructed, wu geen in this cloud belorn about 7,000 feet so no shading is used below that level, The This produced a diecrum which waa remarkably like the octual cloud, No material finver-like rrojeaction nhich ¢ermed or. thlo cloud hae beon constructed from the vectors 3: > eo wi: + + ee ee heene et ee oe hk T rr abe A eee a eee for 30,000 and %$,000 fect.