DEPARTMENT OF THE NAVY 
OPNAV FORM 3144-1 (9-64) 
0La7-71^-A 100 
SHIP WEATHER OBSERVATION SHEET 
uss _ 
-- 
s^ 
DATE (GMT) /^A^y 3 
TO ^ 5_ 
TABLE I 
TIME 
(GMT) 
WINDS 
1 J V' IF ESTIMATED 
VISI- 
BIL- 
ITY 
(Miles) 
WEATHER 
(Symbols) 
BAROMETER 
(Inches) 
TEMPERATURE 
(Degrees and tenths) 
CLOUDS 
SEA 
WATER 
TEMP. 
(Degrees 
and 
tenths) 
SEA WAVES 
SWELL WAVES 
Direction 
(True) 
Force 
(K nots) 
Dry 
Bulb 
Wet 
Bulb 
Amount 
(T enths) 
He i ght 
Type 
D i rec t i on 
(T rue) 
Per iod 
(Seconds) 
Hei ght 
(Feet) 
Direction 
(T rue) 
P eriod 
(Second s) 
Height 
(Feet) 
00 
OSO 
St 7- 
0 / y 3 
‘79.0 
7/0 
/ 
7o/>o 
<lc(- 
53.0 
o4-o 
7 
7/ 
1 
320 
y": 
y? 
3 
01 
o3c> 
^' 4 / 
/0 
act 
05 
ns 
3 
sy* 
s7 ,0 
<c7/> 
/ 
3yo 
&> 
02 
C 3 5“ 
/o 
yy 
(c 7 
4iO 
7o.o 
7 
7o/c-i 
5<1 
74 .6 
o7q 
V” 
710 
/ 
S’ 
03 
/o 
ScT 
47- 0 
yo 
tT 
7oco 
SC 
koU. C) 
0>ZO 
3 
370 
9 
04 
3^0 
/■/ 
/o 
SCT 
P9yy^ 
7o.S 
74 0 
3 
7//0 
SC 
59-0 
o3o 
3 
390 
7 
7 
05 
i 
c/y 
yyyy 
2 
<fy: 
:i 
^.0 
C30 
/ 
3 
3/a 
/ 
06 
C Z o 
ro 
lO < 
OUZi 
y?- 75 
'ilz 
774 
(4^ <, 
: /ry/. 
7 
iMk 
593 
0 30 
y 
7 
o4o 
£ 
07 
f —' 
/O’ i 
c/y 
S?77 
'0/ 
47‘0 
cy 
yyyT^Af. 
« 
t/SyO 
c7o> 
■* 
y 
3^Jo 
O' 
.r0^’* 
o> 
08 
/:jzo 
/o < 
j/y 
S9 
74 ‘7 
48- 8 
/FA'y 
4 
37o 
7 
-< 
09 
^ 
/S 
/a < 
*.iy 
79.2 
793 
5/ 
yyy 
1 
5^* 0 
3/0 
10 
/? 
y c^' 
j:7 -T'-y 
yf'7 
< 477 . 4 , 
yy//c 
^ J 
370 
2 
4- 
11 
C^/O 
/3 
< 
c/y 
/li 
MS 
7/ 
'oy/y 
* 
bA’ 
y 
12 
CBO 
/o . 
c/y 
50 . 0 
7/70 
O'/ 
\0//AJ 
5/.0 
30 0 
F 
y 
13 
a S’ 
/0 
0//C 
397 S 
7 0 
470 
47 f 
< 0 ^ 
-/'y///' 
5/0 
3^0 
K 
S 
14 
c 30 
/^ 
/ c- 
c/y 
A' y 
7/3 
C4y.. 
'y///c 
. 
’ 
7?3> 
330 
8 
15 
0VJ> 
JO 
jcr 
53, 8 7 
yjy 
c. 
. ie»»r 
58.0 
37o 
2 
iT 
16 
ysT 
/O i 
yy 
7/747 
50.0 
y// 
yy/M. 
779-y> 
S/TD 
7 
17 
0/0 
•0 
/'/> ■■ 
c/y 
sssC- 
S74 
774 
yiyz/O 
* 
393 
4 
s7y> 
7 
18 
C/O 
/O 
C/K 
7/47 
/7 -1 
/7S 
y'//4L 
59 ./^ 
\ 
7X5 ' 
7 
19 
OCt) 
y^O . 
. V y 
. -4 - 
'-59-89 
527 
y 
< 
0 yr>y7t 
•' 
3Xy 
y 
20 
3 //r . 
f W' 
/ 
'*'• r j .• 
7 0 : 
7/- n i‘ . 
’ ' * **' 
^ 7 K. 
/'L '' 
0 X ' 7x3l 
i 
97- V 
320 
7 
3 
21 
"? // /■. 
^ '4 
/ / 
/ 
/-> 
<.CK 
7/' tJ 
■'/ 0 
ij'.. y 
' Ar 
/ / t 
C-- 
5 //yO 3 
7c. . <4 
34/ 
7 
^v. 
* 
22 
Jso 
/ 3 
/o . 
yy 
■MM- 
csy f * y 
''yy7y//i 
59.0 
340 
7 
zz 
23 
SSb 
/3 
/o 
jcr 
49 .88 
So.o 
/ 
7/00 
0 r". 
59.0 
37/ 
<y 
CJ 
TABLE ii 
SYNOPTIC OBSERVATIONS 
FIRST GROUP 
OF 
MESSAGE 
Day 
of 
Week 
(1-7) 
(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) 
Longitude 
(Degrees 
and 
tenths) 
Direction 
(True) 
(00-36) 
Speed 
(T rue) 
(Knots) 
P resent 
(00-99) 
Post 
(0-9) 
Barometer 
Corrected 
(Mb) 
Amount of 
Low Cloud 
_j 
u 
"0 
0) . 
Q. O' 
ys 
1 
Height of 
Low Cloud 
Type of C,^^ 
(0-9) 
X 
u 
0) ^ 
CL 0 
ys 
Characteristic 
(0-8) 
Amount of 
Change 
(Mb and tenths/ 
Indicator 
Amount 
(Eights) 
0^ 
a. 
H- 
Height 
1 
2 
3 
4 
5 
6 
8 
9 
10 
II 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
26 
27 
Y 
Q 
L L L 
GOO 
L L L 
000 
GG 
N 
dd 
ff 
VV 
ww 
W 
PPP 
TT 
Nh 
Cl 
h 
Cm 
Ch 
D 
S 
Vs 
a 
PP 
8 
N 
S 
C 
h h 
S S 
SHIP 
/ 
jV*/ 
2c4 
00 
1 
6;3' 
/6 
92 
05 
0 
034 
0? 
i 
1 
6 
a 
<3 
1 
8 
1 
8 
4o 
SHIP 
<s> 
/ 
5^*/ 
y/l 
06 
0 
ox 
72. 
It 
U iL 
i 
odS^ 
p? 
0 
0 
0 
0 
1 
u 
2. 
EG 
8 
SHIP 
s 
/ 
JSO 
230 
12 
0 
03 
/4 
43 
GZ 
0 
oM. 
10 
0 
0 
0 
0 
Z 
/o 
8 
SHIP 
/ 
37i 
77/7 
18 
0 
Of 
/3 
17 
Ql 
0 
J/S 
JZ 
0 
0 
1 
0 
0 
G 
4 
2 
ZO 
8 
Indicator 
AIR- 
SEA 
DIFF 
(Coded) 
DEW 
POINT 
(°C) 
SEA WAVES 
SWELL WAVES 
ICE ACCRETION 
SEA ICE 
s 
0 
U 
-a 
c 
Direction 
(Coded) 
Period 
(Coded) 
Height 
(Coded) 
Indicator 
Direction 
(Coded) 
Period 
(Coded) 
Height 
(Coded) 
Indicator 
Source 
Thickness 
Rate 
Ind icator 
Kind 
Effect 
1 
1 
Bearing 
Distance 
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 5 
Td Td 
1 
d d 
W w 
P 
W 
H 
W 
1 
d d 
W W 
P 
W 
H 
W 
2 
1 
S 
E E 
S S 
Rs 
ICE 
C 2 
K 
D. 
1 
r 
e 
0 
5/ 
1 
0 / 
0 
4^ 
2 
1 
32 
2 
2 
ICE 
0 
C,3 
1 
03 
Z 
4 L 
1 
34 
T 
2 
ICE 
0 
54 
1 
1 
3Z 
4 
« 
2 
2 
ICE 
0 
S7 
1 
1 
3S 
2 
2 
ICE 
_ 
DO NOT TRANSMIT 
Dry Bulb 
(Degrees 
and tenths) 
Wet Bulb 
(Degrees 
and tenths) 
Sea Water 
Temp. 
(Degrees 
and tenths) 
A 2 
^3 
Celsius 
Cels ius 
Celsius 
09 ‘4 
o7‘4 
/S? 
03,4 
08 .2 
/yjo 
fO-O 
07‘X 
13.1 
7 / s 
077 
/S-O 
REMARKS 
EXAMINED 
USN, NAVIGATOR 
T 
