;
RIVACY ACT MATERIALREMOVED
'
~oouple of cases) by hand clinometer, and “sever taken by Air Weather Service
personnel by theodolite. ‘hese two seté-v...~08 very well in all cases except
‘Charlie cloud. On the graph, the average of the two ies indicated by the circled
Mot, with the outriggers showing the values themselves.
de
—
ag
Gpezation ‘Three surface vessels and three aircraft were
~engaged in making cloud rise and height measurements of Mile cloud. Of these, one -
vessel failed to make any height measurements until H + 0} atne, ond one airplane made
only one moagurement, at approxinstely H © 40 sec, before H +5 mine It is net
‘bel
that timing wes very accurate on this measurement so it was discarded, (|
‘The other measurements shored the cloud to have opproached maximum altitude at - «”
3 minutes so in addition to the 3 minute average an avereye was. Obtained using
earlier measurements. Since there is reason to believe the rato to decrease in ~~
“the stratosphere (above 56000 ft on Mike day) the second average was taken of
.°
- observations below that height.
on the grephe
The two averages are shown as hexizontal lines
:
t
(1) Three minute heights:
U.S.S Crtiss
UsSeSeRendova
100,500 ft.
117,000 ft.
Aircraft Noe 2 (Cole MP)
-127,000 fte
Average
(2)
414,000 ft. in 3 min.
Extrapolation of troposphere rates:
UeSeSe Curtiss
~i6,600 ft. at Laine
UeSeSe Rendova
No early messurements
Aircraft Noe 1
199,800 20/3 a
rt
58,200 fte at li mine .2116,400 ‘£t/3 ni
Aircraft Ho. 2
Wo early measurements
Average
228,100 #¢/3 mi
Three surface vessels and two aircraft made measurements of the King eloud,
end all data are on hand except that from one surface vessel. The three mimte
=
heights are as follows:
UeSeSe Oak HEll
5B,300
UsSeS. Rencove
56,100
Aircraft Ro. 1 (ix.GSNjUN)
56,200
Aircraft Noe 2 (Cole §9NB)
53,000 (Doubtful)
Average
56,400
The everage is plotted on the graph.
Considerable improvenent in this relationship might well zesult from acre
4.
-aceurate determination of the rate of rise and in particular of the maximm rate, and from develepment of a correction factor for variations in the ambient air
lapee rate of temperature.
- een
(©
144°
1 Atchmt
Chart
"
;
a
Perma a
PRIVACY ACT MATEwRIA).. REMOVED
i
ft
d