OPNAV FORM 3144-1 (9-64) 
0107-7 14-4 100 
DEPARTMENT OF THE NAVY 
1 
SHIP WEATHER OBSERVATION SHEET 
uss_ 
AT PASSAGE FROM 
DATE (GMT) 
TO _ 
-A/ 
19 
TABLE I 
! 
TIME 
(GMT) 
_ 
WINDS 
IV 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 
(Knots) 
Dry 
Bulb 
Wet 
Bulb 
Amount 
(Tenths) 
Height 
Type 
Direction 
(True) 
Per iod 
(Seconds) 
Hei ght 
(Feet) 
Direction 
(True) 
1 
P er i od 
(Second s) 
--- .1 
-- -1 
H e i 9 ht 
(Feet) 
_1 
00 
J 
01 
-! 
02 
- 1 
03 
04 
05 
06 
07 
y 
08 
09 
10 
11 
_ 
12 
3^0 
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/£> 
69 
6$ 
/ w 
66 
/ 
13 
14 
15 
16 
3Ho 
; 2- 
} o 
-5^4 
8 
/ooo 
si /rc 
CjL> 
6> £ 
3HS 
l 
3HJ 
17 
-f— * - 
■-1 
18 
19 
— 
— 
20 
,/y 
avcj 
&9. 
6 & 
63 
\o 
1 0&a 
tt 
/- - c - 
ts Cy 
3'^ 
l-X 
3 <*& 
* V-*__ 
| 
21 
r — 
—d- -#- 
22 
23 
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 
SIGNIFIC 
ANT 
1 
:loud 
Oc¬ 
tant 
(0-3) 
(5-8) 
L a t i t ud e 
(Degrees 
and 
tenths) 
Long itude 
(Degrees 
a nd 
te nth s) 
Direction 
(True) 
(00-36) 
Speed 
(True) 
(Knots) 
Present 
(00-99) 
Past 
(0-9) 
Barometer 
Corrected 
(Mb) 
Amount of 
Low Cloud 
Type of C L 
(0-9) 
Height of 
Low Cloud 
u 
‘o 
4) - 
CL CN 
X 
o 
"o 
<> 
^3 
Characteristic 
_ 
Amount of 
Change 
(Mb and tenths) 
Indicator 
Amount 
(Eights) 
Type 
He ight 
- j 
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 ° a 
L L L 
OOO 
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 s 
SHIP 
00 
— 
8 
SHIP 
06 
— 
- 
8 
SHIP 
12 
8 
— 
SHIP 
18 
8 
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 
E ffect 
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 S 
T d L 
1 
d d 
W W 
P 
W 
H 
W 
1 
d d 
W W 
P 
W 
H 
W 
2 
1 
S 
L E , 
R s 
ICE 
c 2 
K 
D. 
1 
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 Water 
T emp. 
(Degrees 
and tenths) 
A 1 
A 2 
A 3 
___— 
Celsius 
Celsius 
Celsius 
■ ■ ■ — - -j 
_| 
REMARKS 
EXAMINED 
USN, NAVIGATOR 
