TABLE I! 
SYNOPTIC OBSERVATIONS ^ -7 J C/ ^ 
FIRST GROUP 
OF 
MESSAGE 
Day 
of 
Week 
0-7) 
(GMT) 
POSITION OF SHIP 
TIME 
(GMT) 
T ota 1 
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 
- 
SIGNIFICANT CLOUD 
Oc¬ 
tant 
(0-3) 
(5-8) 
Latitude 
(Degrees 
and 
tenths) 
Long itude 
(Degrees 
and 
tenths) 
Direction 
(True) 
(00-36) 
Speed 
(True) 
(Knots) 
Present 
(00-99) 
Past 
(0-9) 
Barometer 
Corrected 
(Mb) 
Amount of 
Low Cloud 
u 
"0 
CL o- 
Height of 
Low Cloud 
Type of C M 
(0-9) 
X 
u 
"0 
a; 
CL O 
Characteristic 
(0-8) 
Amount of 
Change 
(Mb and tenths) 
Indicator 
Amount 
(E ights) 
Type 
He 1 ght 
—~A 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
26 
— 
27 
Y 
Q 
L L L 
a a a 
ILL 
OOO 
GG 
N 
dd 
ff 
VV 
ww 
W 
PPP 
TT 
N h 
c L 
h 
Cm 
Ch 
D 
S 
V 
S 
L 
a 
— 
PP 
— 
8 
N 
S 
C 
h h 
5 5 1 
-1 
SHIP 
1 
X3 
( 
3? 3 
Jiil 
00 
<7 
33 
Us, 
O 
ff 
/>" 
/ 
/ $'£> 
/r 
X 
7 
/ 
9 
O 
4 
c 
/ 7 
8 
G 
7 
/£> 
SHIP 
£ 
1 
3i$ 
2JO 
06 
4> 
33 
a# 
9? 
A 
m, 
& 
7 
4 
e 
c 
9 
4 
2 
■XO 
8 
& 
7 
/CP 
SHIP 
_ Tl-- 
c 
t 
32? 
223 
12 
7 
33 
<3~G> 
16 
02 
A 
J?3 
y 
6 
s 
z 
2 
6 
4 
O 
— 
°7 
8 
9 
7 
SHIP 
c 
I 
3iS 
233 
18 
45 
K 
A O 
9? 
cx 
X 
/<Sy 
£3 
h> 
6 
/ 
Q 
4 
4 
(20 
8 
& 
7 
24 
i 
Indicator 
AIR- 
SEA 
DIFF. 
(Coded) 
DEW 
POINT 
(°C) 
SEA WAVES 
SWELL WAVES 
ICE ACCRETION 
SEA ICE 
Indicator 
Direction 
(Coded) 
Period 
(Coded) 
Height 
(Coded) 
Indicator 
Direction 
(Coded) 
Period 
(Coded) 
Height 
(Coded) 
Indicator 
Source 
Thickness 
Rate 
Indicator 
Kind 
Effect 
Bearing 
D i stance 
Orientation 
28 
29 
30 
31 
32 
33 
34 
35 
36 
37 
38 
39 
40 
41 
42 
43 
44 
45 
46 
47 
48 
0 
T T 
S S 
T d T d 
1 
d d 
w w 
p 
W 
H 
W 
1 
d d 
W W 
P 
W 
H 
W 
2 
1 
S 
E s E s 
R 
S 
ICE 
<=2 
K 
D 
1 
r 
e 
0 
6a 
/4 
1 
O/ 
3 
2 
1 
33 
3 
1 
2 
ICE 
0 
4 
// 
1 
3 v 
3 
A, 
1 
3a 
3 
9 
2 
ICE 
0 
4? 
Of 
1 
33 
/ 
/ 
1 
33 
/ 
/ 
2 
ICE 
0 
5"/ 
/4 
1 
03 
P 
A 
1 
33 
4 
7 
2 
ICE 
_ 
DO NOT TRANSMIT 
Dry Bulb 
(Degrees 
and tenths) 
Wet Bulb 
(Degrees 
and tenths) 
Sea Water 
Temp. 
(Degrees 
and tenths) 
A 1 
a 2 
A 3 
Celsius 
Cels ius 
Celsius 
(jO 
QO 
62 , J 
REMARKS 
EXAMINED 
USN, NAVIGATOR 
