OPNAV FORM 3144-1 (9-64) 
0107-7T4-4tOO 
DEPARTMENT OF THE NAVY 
SHIP WEATHER OBSERVATION SHEET 
AT PASSAGE FROM___TO 
TABLE I 
TIME 
WINDS 
v IF ESTIMATED 
-1 
VISI¬ 
BIL¬ 
ITY 
(Miles) 
WEATHER 
(Symbols) 
BAROMETER 
(Inches) 
TEMPERATURE 
(Degrees and tenths) 
CLOUDS 
SEA 
WATER 
TEMP. 
(Degrees 
and 
tenths 1 
1 
SEA WAVES 
SWELL WAVES 
<GmT)| 
Direction 
(T r w-*) 
Force 
(K not s) 
Dry 
Bulb 
Wei 
Bulb 
Amount 
ITenlhs) 
Height 
Type 
Direction 
(T rue) 
Per iod 
(Seconds! 
He* g^i 
(Feet) 
Direction 
fTrw 
P er i«jd 
'Seconds| 
1 
—-1 
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(Fee. 
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TABLE II 
SYNOPTIC OBSERVATIONS 
T 
FIRST GROUP 
OF 
MESSAGE 
Day 
ai 
Week 
0-7} 
GMT) 
POSITION OF SHIP 
TIME 
(GMT) 
T otal 
Cloud 
Amt. 
tCuded) 
WIND 
Visi- 
bil. 
ity 
(90-99) 
WEATHER 
PRESSURE 
AIR 
TEMP. 
rc> 
CLOUDS 
Course of Ship (0-9) 
Speed of Ship (0-9) 
3-HOUR 
PRESSURE 
TENDENCY 
SIGNIFICANT CLOUD 
Oc¬ 
tant 
(0-3) 
(5-B) 
Latitude 
(Degrees 
and 
tenths) 
Longitude 
(Degrees 
a nd 
tenths) 
Direction 
(True) 
(00-36) 
Speed 
(True) 
(Knots) 
P resent 
(00-99) 
Post 
(0-9) 
Barometer 
Corrected 
(Mb) 
Amount of 
Low C loud 
u 
~"o 
2L S" 
4-s 
Height of 
Low Cloud 
u 
"0 
CL O 
h^s 
X 
u 
'o 
S. S' 
hT-s 
Character istic 
mi 
Amount of 
Change 
(Mb and tenlhs) 
Indicator 
Amount 
(E ights) 
Type 
Height 
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 
J n □ 
L L L 
o o o 
GG 
N 
dd 
ff 
VV 
ww 
W 
ppp 
TT 
N h 
C L 
h 
C M 
c H 
D 
S 
V 
S 
_ 
a 
PP 
8 
N 
S 
C 
h h 
’ s M s 
-1 
SHIP 
00 
1 
8 
_ 
-, 
SHIP 
06 
I 
8 
SHIP 
12 
8 
■ - -- 
SHIP 
— 
— 
18 
3 
-1 
J 
J 
DO NOT TRANSMIT 
Dry Bulb 
(Degree s 
and tenths) 
Wet Bulb 
(Degrees 
and tenths) 
Sea Water 
Temp. 
Degrees 
and tenths 
-J 
A 1 
A 2 
A 3 
Celsius 
Celsius 
Celstus 
_ 
Indicator 
AIR- 
SEA 
DIFF. 
(Coded 
DEW 
POINT 
( e 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 
It 
0 
a 
Indicator 
Kind 
Effect 
CT‘ 
C 
fc> 
O 
0 
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 
T. T s 
Td T d 
1 
d d 
W W 
P 
W 
H 
W 
1 
d d 
W W 
P 
H 
** 
2 
1. 
E, E s 
R s 
ICE 
c 2 
K 
D, 
f 
ft 
0 
1 
1 
2 
ICE 
0 
1 
1 
2 
ICE 
0 
1 
1 
2 
ICE 
0 
1 
1 
2 
ICE 
REMARKS 
EXAMINED 
USN NAVIGATOR 
