OPNAV FORM 3144-1 (9 64) 
0107-714-4100 
DEPARTMENT OF THE NAVY 
SHIP WEATHER OBSERVATION SHEET 
uss CZ £ 4 N r / f L ' -j . / 'l L l y ^ (j- 
DATE (GMT) 
Wf 
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,i 
WINDS 
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WEATHER 
(Symbols) 
BAROMETER 
(Inches) 
TEMPERATURE 
(Degrees and tenths) 
CLOUDS 
SEA 
WATER 
TEMP. 
(Degrees 
and 
tenths) 
SEA WAVES 
SWELL WAVES 
D irect ton 
(True) 
Force 
[X not s) 
Dry 
Bulb 
We' 
Bulb 
Amount 
(Tenths) 
He i ght 
Type 
Direction 
(T'ue) 
Period 
(Seconds) 
Height 
(Feet) 
Direction 
(True! 
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1 Seconds 
Height 
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TABLE II 
SYNOPTIC OBSERVATIONS 
[ 
FIRST GROUP 
OF 
MESSAGE 
Day 
of 
Week 
(1-7) 
(GMT) 
POSITION OF SHIP 
TIME 
(GMT) 
T otol 
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 ( 
- 1 
ILOUD 
Oc¬ 
tant 
(0-3) 
(5-8) 
Latitude 
(Degrees 
and 
tenths) 
Long itude 
(Degrees 
a nd 
tenths) 
Direction 
(True) 
(00-36) 
Speed 
(True) 
(Knots) 
P resent 
(00-99) 
Past 
(0-9) 
Barometer 
Corrected 
(Mb) 
Amount ot 
Low Cloud 
_j 
u 
~o 
&. c> 
HS 
Height of 
Low Cloud 
u 
T 
47 — 
O- O 
t^S 
Type of C H 
(0-9) 
Characteristic 
l (0-8) _ 
Amount of 
Change 
(Mb and tenths) 
Indicator 
Amount 
(E ights) 
Type 
Height 
1 
— 
2 
3 
4 
5 
6 
7 
8 
9 
10 
n 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
26 
— 
27 
-1 
Y 
Q 
L L L 
z ^ a 
L L L 
OOO 
GG 
N 
dd 
ff 
VV 
ww 
W 
PPP 
TT 
c L 
h 
Cm 
C H 
D 
S 
- 
V 
S 
a 
PP 
8 
N 
S 
C 
— 
h h 
S S 
—-1 
SHIP 
00 
8 
— 
- j 
SHIP 
— 
06 
8 
— 
— 
—h 
SHIP 
12 
S 
SHIP 
18 
_ 
8 
— 
- E 
L-. 
Indicator 
AIR. 
SEA 
DIFF. 
(Coded) 
DEW 
POINT 
re 
SEA WAVES 
SWELL WAVES 
ICE ACCRETION 
SEA ICE 
n 
Indicator 
Direction 
(Coded) 
Peritxf 
(Coded) 
Height 
(Coded) 
Indicator 
Direction 
(Coded) 
Period 
(Coded) 
Height 
(Coded) 
Indicator 
Source 
Thickness 
Rate 
Indicator 
Kind 
in 
f 
0 
u 
CD 
Distance 
Orientation 
28 
29 
30 
31 
32 
33 
34 
35 
36 
37 
38 
39 
40 
41 
42 
43 
44 
45 
46 
47 
48 
0 
*s T s 
T d T d 
1 
d d 
w w 
P 
W 
H 
W 
1 
d d 
w w 
P 
W 
H 
2 
's 
m 
m 
L“ 
R s 
ICE 
c 2 
K 
D 
r 
e 
0 
1 
1 
2 
ICE 
0 
1 
1 
2 
ICE 
0 
1 
1 
2 
ICE 
0 
1 
1 
2 
ICE 
DO NOT TRANSMIT 
Dry Bulb 
(Degrees 
and tenths 
Wet Bulb 
(Degrees 
and tenths) 
Sea Wafer 
Temp. 
(Degrees 
and tenths 
^1 
a 2 
A 3 
Celsius 
Celsius 
Celsius 
* 
-1 
REMARKS 
EXAMINED 
USN, NAVIGATOR 
