OPNAV FORM 3144-1 (9-64) 
0107 - 714-4100 
DEPARTMENT OF THE NAVY 
SHIP WEATHER OBSERVATION SHEET 
uss 
C2uM V oe 
■22/yy / / V 
AT/PASSAGE FROM 
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o A 00 /Q . 
DATE (GMT) 
TO 
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19 
TABLE I 
TIME 
(GMT) 
WINDS 
□ / 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 
Dry 
Bulb 
Wet 
Bulb 
Amount 
(Tenths) 
Height 
Type 
Direction 
(T rue) 
Period 
(Seconds) 
Height 
( Feet) 
Direction 
(T rue) 
Period 
(Seconds) 
Height 
(Feet) 
Direction 
(True) 
Force 
(Knots) 
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Bio 
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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 
SIC 
;nific 
ANT ( 
:loud 
Oc¬ 
tant 
(0-3) 
(5-8) 
Latitude 
(Degrees 
and 
tenths) 
Longitude 
(Degrees 
and 
tenths) 
Direction 
(True) 
(00-36) 
Speed 
(True) 
(Knot s) 
P resent 
(00-99) 
Past 
(0-9) 
Barometer 
Corrected 
(Mb) 
Amount of 
Low Cloud 
-J 
u 
""o 
Q- O 
Height of 
Low Cloud 
Type of C M 
(0-9) 
X 
u 
"0 
CL 0 
Characteristic 
(M)_ 
Amount of 
Change 
(Mb and tenths) 
Indicator 
Amount 
(Eights) 
0) 
Cl 
>- 
h- 
He i ght 
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 
a a a* 
L L L 
OOO 
GG 
N 
dd 
ff 
VV 
ww 
W 
PPP 
TT 
N h 
c L 
h 
C M 
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AIR- 
SEA 
DIFF. 
(Coded) 
SEA WA^ES 
SWELL WAVES 
ICE ACCRETION 
SEA ICE 
DO NOJ TRANSMIT 
Indicator 
DEW 
POINT 
(°C) 
Indicator 
Direction 
(Coded) 
Period 
(Coded) 
Height 
(Coded) 
Indicator 
Direction 
(Coded) 
Period 
(Coded) 
Height 
(Coded) 
Indicator 
Source 
Thickness 
Rate 
Ind icator 
Kind 
E ffect 
Bearing 
Distance 
Orientation 
Dry Bulb 
(Degrees 
and tenths) 
Wet Bulb 
(Degrees 
and tenths) 
Sea Water 
Temp. A 
(Degrees 
and tenths) 
28 
29 
30 
31 
32 
33 
34 
35 
36 
37 
38 
39 
40 
41 
42 
43 
4d 
45 
46 
47 
48 
A 1 
a 2 
A 3 
0 
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S S 
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1 
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REMARKS 
USN, NAVIGATOR 
EXAMINED 
