PLACE:
DATE
ENIWETOK-BIKINI
TIME
fms
BI-HOURLY OBSERVATIONS, MSTS - T-LST 618, AUGUST 18 - SEPTEMBER 1, 1957
POSITION/COURSE
Ng
DDFF
wX
P
TT
TT,
TT,
8/20
LOG ENTRIES:
0200-0400 Position as before.
0400-0600 Position as before.
0600-0800 Position as before.
AMT.
8ths
No change in weather for past 4 hours.
Visibility excellent. Low Sw swell.
Visibility excellent. Low SW swell.
Cy
TYPE
HT.
OO ft.
Cy
Cy
TABLE 18
(Continued)
DD
WAVES
PERIOD
HT.
ft.
Barometer dropping slowly.
1400-1600 (1600 Position:
11°2 6'™N-Long
164°461E)
M935
Cumulus clouds al] around horizon.
Strands of cirrus overhead.
Barometer rising.
Visibility unlimited.
1000-1200 En route Bikini to Parry Is#: Lat 11°27.5'N-Long 165°25'E. No change in weather. Visibility unlimited.
1200-1400 (1400 Position: 11°26'N-Long 165°05'E) Sky mostly clear with towering cumulus clouds around horizon.
northeasterly
Thin strands of cirrus overhead. Bright sunshine. Visibility unlimited.
and sea. Barometer d ropping slightly in past 2 hours.
0800-1000 Position as before.
No change in weather for past 4 hours.
11°2 7*N-Long 164°26'E) Visibility excellent. Low short easterly swell. Long low Nw swell.
1]°2 7!N-Long 164°07'E) Visibility excellent. Low short easterly swell. Long low NW swell.
11°2 5'N-Long 163°50.0tE) Clouds forming. Barometer jumped -10 in past 2 hours.
unlimited. 2210: rain squalls on radar scope &315°T 24.0 mi. off port bow. 2253: lightning observed in NE.
2200-2400 (2400 Position: 11°24.0'N-Long 163°32tE) Rain squalls on radar scope. Visibility unlimited.
north and northeast. Barometer steady.
1600-1800 (180O Position:
1800-2000 (2000 Position:
2000-2200 (2200 Position:
2
8/21
0200
04,00
1000
1200
1400
11°25'N
162°59tE
11°26'N
162°4,31E
11°25tN
162° 25'E
Eniwetok
Eniwetok
Eniwetok
1800
2000
2200
24,00
Eniwetok
Eniwetok
Eniwetok
Eniwetok
0600
0800
1600
a
“
11°251N
163°17'E
LOG ENTRIES:
Eniwetok
270
4
18-12
18
=88
81
78
85
4
2
20
265
8
19-10
18
86
80
77
85
7
2
20
258
4
21-05
BO
88h
82
78
4
2
20
VAR
7
6
5
>
21-05
17-08
18-10
19-12
03
O01
Ol
16
&6
86
980
«76
83
83
83
8h
78
77
77
78
7
5
4
4
7
i
7
7
20
20
20
20
1
19-08
Ol
0000-0200 En route Bikini to Parry Ise%
82
N
N
N
83
N
78
(0200 Position:
0
R
0
R
O
Q
R
R
EP
E P
EP
1
E P
ORT
S
2
OR T
S
OR
OR
T
T
8S
§
20
Lat 11°25'N-Long 163°17'E).
--
1
18
3
2
18
3
2
21
-
1
-~
---
1
1
1
21
17
i8
19
-
1
1
1
i
--
--
19
-
1
0020: wind shifted from ESE to
south. Moderate southerly wind 10 to 12 knots. Numerous small rain squalls noted on radar. Flashes of
lightning observed to NW. Unlimited visibility. Barometer dropped .04 in past 2 hours. Light southerly
sea and low
Southeasterly swell.
0200-0400 (0400 Position: Lat 11°25tN-Long 162°59'E)
=
7
Numerous light rain squalls.
waned
TS ahs
Good visibility except in squalls.
eeasthernetarlyv wind and
sea.
es Fee eens SerTees Oe
ti mls semen, oe eRneethie
;
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