end compliance of all. The Pall-cat Plot, om the other hand, being mre
general in application, was considered, with the RADET, st Command Briefings
for the over-all long range fall-out impast on populated atolls in the
vicinity of the sho¥ atoll. 4 detetled discussion of the methods of con=
struction of hodographs, RiDEXES end Pall~cut Plots is Given in Tab D,
The
-@iseussics below is limited to certain generalities and specifics which
apply tothe Marshall Islands ared generally, and to the C/STLE Operation
specifically,
(1) Nodograph Examples, As a general rule, the winds in the
Marshall Telands area are east northeasterly fo easterly in the lower, or
trade-uind, levels (up to albut 20,000 feet), wdsasteriy in the high
levels (above tropopause height, Lras, and above, about 60,000 feet).
The levels between are not onlyvariable, bus involve the most sigrifticant
portion of the eloud from a fall-outWevpaint. Consequent{y, & diseussion
of favorable aid unfavorable hodographs is primarily concerned with the mide
levels between 20,000 end: 60,000 feet. (See tab I.) Sines the C.STLE
- Operationinvolved two shot atolls,the discussion wrich fallow: mst
consider the afP68t of4 slot ca one atcll on the populated areas of the
other,
Tie primary land masses inwlved in determining the relative
favorability of the pattersé arethe two shot atolls, UJELING to the scuth=
weet of EXIWETCK and the Marshall Islands in thesoutheastquadrant,
partieukarly tiiose to the east of BIXINT. (See Map: MativePopulations in
the Forwira .red; Tab G}. Generally speaking, wind conditions acceptable
at BIKINI, are actéptdtile at INIWETOK. The converse fs notalwaye true.
ewe
An additional sorisidsration is the fact that the two atolls will not alwys