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A 
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SECTION II 
SYNOPTIC OBSERVATIONS 
FIRST GROUP 
OF 
MESSAGE 
INDICATOR 
POSITION OF SHIP 
DAY OF MONTH 
TIME 
(GMT) 
WIND INDICATOR 
T otal 
Cloud 
Amt. 
(Coded) 
WIND 
VISI¬ 
BIL¬ 
ITY 
(90-99) 
WEATHER 
PRESSURE 
AIR 
,TEMP. 
(°C) 
CLOUDS 
COURSE OF SHIP (0-9). 
SPEED OF SHIP (0-9) 
3-HOUR 
PRESSURE 
TENDENCY 
INDICATOR 
AIR- 
SEA 
DIFF. 
(Coded) 
DEW 
POINT 
(°C) 
LATITUDE 
(Degrees 
and 
tenths) 
QUARTER 
OF GLOBE 
LONGITUDE 
(Degrees 
and 
tenths) 
DIREC¬ 
TION 
(True) 
(00-36) 
SPEED 
(True) 
(Knots) 
PRES¬ 
ENT 
(00-99) 
PAST 
(0-9) 
BAROMETER 
CORRECTED 
(Mb) 
AMOUNT OF 
LOW CLOUD 
_l 
O 
LL ^ 
O 
uj e 
CL 
>- 
H 
HEIGHT OF 
LOW CLOUD 
TYPE OF C M 
(0-9) 
TYPE OF C H 
(0-9) 
CHARACTER¬ 
ISTIC (0-8) 
AMOUNT OF 
CHANGE 
(Mb and tenths) 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
el9 
20 
21 
22 
23 
24 
25 
26 
27 
28 
99 
La La La 
Qc 
L L *- 0 1- 0 
YY 
GG 
’w 
N 
dd 
ff 
VV 
ww 
W 
PPP 
TT 
Nh 
c L 
h 
C M 
Ck 
D s 
v s 
a 
PP 
0 
T s T s 
T d T d 
SHIP 
99 
cf// 
/ 
1*2/7 
7 
00 
03 
3_ 
?.r 
/o 
9# 
OA 
C> 
0&f 
71 
3 L 
7 
0 
/ 
3 
JoL 
£C2 
0 
ft?6 
oy 
SHIP 
99 
3 {Co 
/ 
12?J./ 
o? 
06 
$ 
7 
30 
479 
777 
o7 
A. 
<023 
?y 
7 
a 
0 
0 
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/ 
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0 
oz 
SHIP 
99 
$33 
/ 
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7 
12 
0 
3 / 
/2 
<00 
/ 
op 
O 
a 
O 
fL 
J2 
67 
' 0 
OA 
/A. 
SHIP 
99 
f 
120 
/ 
07 
18 
3 
2 
*><o 
/3 
5 
<2/ 
a 
aio 
06 
£ 
0 
£> 
a 
5 
3 
2± 
0 
a 9 
—r - 
'4 
DO NOT TRANSMIT 
DRY BULB 
(Degrees 
and tenths) 
WET BULB 
(Degrees 
and tenths) 
SEA WATER 
TEMPERATURE 
(Degrees 
and tenths) 
A 1 
a 2 
A 3 
Celsius 
Celsius 
Celsius 
iff. 9 
/3.r 
/i. \ / 
OO) p 
02 . 21 . 
//-/ 
0170, 
) 3. 3 
/.c 0 . 
/ 57 6 
02.8 
OU 
/ 
INDICATOR 
SEA WATER 
TEMPERATURE 
(Degrees 
and tenths) 
TENTHS VALUE 
AIR TEMP. °C 
ICE ACCRETION 
SEA WAVES 
SWELL WAVES 
SEA ICE 
INDICATOR 
SOURCE 
THICKNESS 
RATE 
INDI¬ 
CA¬ 
TOR 
PERIOD 
HEIGHT 
(Coded) 
jf 
DIRECTION 
(Tr ue) 
PERIOD 
(Coded) 
HEIGHT 
(Coded) 
INDICATOR 
KIND 
EFFECT 
BEAR¬ 
ING 
DIS¬ 
TANCE 
ORIEN¬ 
TA¬ 
TION 
29 
30 
31 
32 
33 
34 
35 
36 
37 
38 
39 
40 
41 
42 
43 
44 
45 
46 
47 
1 
T T T 
> w 1 W 1 W 
L 
2 
's 
E$ L 
R s 
3 
p p 
r W r w 
H W H W 
d w d w 
p w 
H w H w 
ICE 
c 2 
K 
Di 
r 
e 
1 
/<6 
/? 
2 
3 
C,J 
O ') 
Y 
s 
o3 
ICE 
- 
1 
70 
yr 
2 
3 
oZ 
02, 
jr 
op 
ICE 
1 
77 
/v 
2 
3 
OS' 
V 
?7 
S~ 
<?./ 
ICE 
1 
— r- - 
// 
70 
2 
3 
OOL 
7><0 
f 
OJL 
ICE 
REMARKS 
EXAMINED 
USN, NAVIGATOR 
C-3927 
