ee
(3) The following conditicns were stserved at shot tine at
Bikini (& consensus of shot tine observations taen by 25 weatser
officers and aerographers mates) aboard the USS C’PTISS:

1/8 cu

milus at 2,000 feet, tops 4,000, 1/5 altostratus (barely 4! seersable) end 5/8 to 6/8 cirrus, thin.
Sea Level Fressure
Texperature

Dew Point

Surface Tind

Height of Tropopause

1006.1 cbs.
=)

72°P

074° 15K

54,350 ft (at §3)

A 5-36 over ground zero at approximately 8 cinus 20 eirutes ren
ported scattered cumulus, scattered to brozen cirmus with bases

3€,000 to 39,000 feet and tops to 40,000 feet, and ne shorers.

(4)

The 2821008 Feb wind observation from Rongerik which wes re

ceived on board the ZSTZS wes garbled in transaission and was in
considerable error.

It did not agree with the winds received

srom Zyiwetok and the CURTISS for that time, in that it sxwed
southwesterly flow from 10,000 feet; the correct observation indicated light northwesterly flor, wiich was in agreenem with

the other observations.

(5) Locel weether conditions begen deteriorating shertiy after
the cetonaticn.

Linlticloud layers develoved 2 aii levels.

gine Winds aleft were forecast to be less desirable a= & TacSuch a situation

P

continued through & March 1954 (See Hodogrephs under

.

el

8

tn

“safe consideretion, end such was tbe case.

oh
>

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