OPNAV FORM 3144 1 (9-64) 
0 107-71 4-4 1 00 
DEPARTMENT OF THE NAVY 
SHIP WEATHER OBSERVATION SHEET 
uss iLir S HaLL _ date (GMT) pfl y / S yiMJ 19 & y 
■Wr^ASSAGE FROM | if) \ _ l 'liW •'UJ _ TO _* b i J a? fifccrt _ 
TABLE I 
71 
time 
(GMT' 
WINDS 
. IF ESTIMATED 
bii!: 
ITY 
(Miles) 
WEATHER 
(Symbols) 
BAROMETER 
(Inches) 
TEMPERATURE 
(Degrees ond tenths) 
CLOUDS 
SEA 
WATER 
TEMP 
1 Degrees 
ond 
tenths) 
SEA WAVES 
-| 
- 1 
swell waves 
Plfflflion 
(True) 
Force 
(K no* s 
Dry 
Bulb 
We' 
Bulb 
Amount 
(Tenths) 
Hei ght 
T ype 
Direc ticvi 
(True) 
F*no<t 
(Seconds) 
Height 
(Feet) 
Direction 
(True! 
Period 
Secones 
-1 
He .gr-r 
(Feet) 
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5" ti 
TABLE II 
SYNOPTIC OBSERVATIONS 
FIRST GROUP 
OF 
MESSAGE 
Day 
of 
Week 
(1-7 1 
•GMT) 
POSITION OF SHIP 
TIME 
(GMT) 
T ota 1 
Cloud 
Amt. 
(Coded) 
WIND 
Visi¬ 
bil¬ 
ity 
(90-99) 
WEATHER 
PRESSURE 
AIR 
TEMP. 
tC) 
CLOUDS 
Course of Ship (0-9) 
Speed of Ship (0-9) 
3- 
PR f 
TEN 
HOUR 
iSSURE 
DENCY 
SIGNIFICANT CLOUD 
Oc¬ 
tant 
(0-3) 
(5-8) 
L ot it ode 
(Degrees 
and 
tenths) 
Longitude 
(Degrees 
and 
te nths) 
Direction 
(True) 
100-36) 
Speed 
(True) 
(Knots) 
Present 
(00-99) 
Post 
(0-9) 
Barometer 
Corrected 
(Mb) 
Amount of 
Low Cloud 
T ype of C L 
(0-9) 
Height of 
Low Cloud 
Type of C M 
(0-9) 
Type of C H 
(0-9) 
U 
WO 
t 
u 
0 _ 
a 00 
6°j 
Amount of 
Change 
(Mb and tenths) 
Indicator 
Amount 
(E ights) 
Type 
He* 
►-— -» 
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 
- - - t 
Y 
Q 
L L L 
3 n a 
L L L 
OOO 
GG 
N 
dd 
ff 
VV 
ww 
W 
PPP 
TT 
*h 
Cl 
h 
Cm 
c H 
D 
S 
V 
S 
a 
PP 
8 
N 
S 
C 
h h 
‘ S 
SHIP 
00 
8 
-1 
SHIP 
06 
8 
SHIP 
12 
8 
SHIP 
18 
8 
1 — ■ 
1 
p 
O 
w 
-5 
AIR- 
SEA 
DIFF. 
(Coded) 
DEW 
POINT 
CC) 
SEA WAVES 
SWELL WAVES 
ICE ACCRETION 
SEA ICE 
Indicator 
Direction 
(Coded) 
Period 
(Coded) 
Height 
(Coded) 
Indicator 
Direction 
(Coded) 
Period 
(Coded) 
«. TJ 
_C 1) 
cr> T7 
53 
s 
□ 
u 
-5 
c 
Source 
Thickness 
4* 
0 
Od 
Indicator 
- 1 
Kind 
Eflecf 
£ 
W 
O 
c 
CC 
41 
u 
c 
0 
0 
Orientation 
28 
29 
30 
31 
32 
33 
34 
35 
36 
37 
38 
39 
40 
41 
42 
43 
44 
45 
46 
47 
48 
0 
T s T s 
T d T d 
1 
d d 
W V* 
P 
W 
H 
W 
1 
<L d 
W w 
p 
W 
H 
W 
2 
1 
S 
E s E s 
R. 
ICE 
C J 
K 
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r 
e 
0 
1 
1 
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ICE 
0 
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1 
2 
ICE 
0 
1 
1 
2 
ICE 
D 
1 
1 
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ICE 
DO NOT TRANSMIT 
Dry Bulb 
(Degrees 
and tenths) 
Wet Bulb 
(Degrees 
ond tenths) 
Sea Water 
T emp. 
(Degrees 
and ten’hs 
_I 
A 1 
A 2 
a 3 
Celsius 
Celsius 
Cels iuS 
—| 
1 
remarks 
EXAMINED 
USN NAVIGATOR 
